Dean, The Volgenau School of Information Technology and Engineering
George Mason University

February, 2006

OFFICE

George Mason University , MS 4A3
4400 University Drive
Fairfax , VA 22030-4444
Phone: (703) 993-1500
FAX: (703) 993-1734
E-Mail: griffiths@gmu.edu
Home Page: http://volgenau.gmu.edu

EDUCATION

• Ph. D. Electrical Engineering, Stanford University 1968

• M. S. Electrical Engineering, Stanford University 1965

• B. S. Electrical Engineering, University of Alberta , Canada 1963

PERSONAL INFORMATION

• Married, spouse J. Arlene Page (22years)

• Three children

• Born in Canada , US Citizen since 1974

PROFESSIONAL EXPERIENCE SUMMARY

• Academic Administration: More than 20 years of experience in administrative positions in higher education at three different universities. During the past 9 years, has served as Dean of the Volgenau School of Information Technology and Engineering at George Mason University . The School has 4,200 students with 2,200 undergraduates, 1,700 MS students, and 300 Ph.D. candidates. The annual budget for the School is $28M with 100 full-time faculty and 35 full-time staff.

• Fundraising: Extensive background in fundraising from private individuals and corporations. Responsible for the School’s 2010 Campaign with a target of $20M. Of this amount, more than $12M has already been raised including a cash gift of $10M from Ernst Volgenau, Founder and Chairman of SRA International. The Campaign includes construction of a new building for the School consisting of 180,000 gross square feet. This building will be completed in 2009 and will be the second largest building on the Mason Fairfax campus.

• Academic Research and Teaching: Distinguished career in research with extensive publication record (details below) and significant award recognition including Fellow of the IEEE (1986) and the Browder J. Thompson IEEE Outstanding Paper Prize (1971). Distinguished teaching career with multiple awards.

• Funding Agency Experience: Served as Program Manager at ONR in the Electronics Division. Responsible for proposal solicitation, review, and contract awards in the area of communications and signal processing.

• International Experience: Participant in the U.S. Department of Commerce’s Entrepreneurial & Capital Formation Initiative, which is designed to create economic opportunities for the United States by bringing together U.S. and foreign entrepreneurs, governments, capital and academic communities in order to foster an interchange of entrepreneurial training, capital formation, legal/regulatory and physical infrastructure, and innovation. Has participated in entrepreneurship panels in Japan , Thailand , Chile , and France . In addition, served as PI for an NSF grant to hold a Workshop on Improving Scientific Collaboration between the US and Korea (Fall, 2004). Currently serving as a Member of Advisory Board for School of Information Technology at United Arab Emirates University in El Ain, UAE. Also serves as a Member of the Advisory Panel for the Institute for the South East England Development Association (SEEDA).

• Public Speaking: Host of George Mason Television show entitled “Tech Horizons” http://www.gmutv.gmu.edu/techhorizons . Each show lasts 30 minutes and consists of three one-on-one interviews with guests from industry, universities, and government organizations. The show is in its fifth year and is broadcast to a potential audience of 500,000 in the Washington , DC metropolitan region. Tech Horizons has been recognized with a Telly Award in 2003 and 2002. Numerous speaking engagements at meetings and symposia in role of Dean . Master of Ceremonies for Annual IT&E Awards Banquet held each spring to recognize outstanding accomplishments by faculty and students. Banquet attendance exceeds 300 with about 40 corporate sponsors.

PROFESSIONAL EXPERIENCE DETAILS

• University Administrative Appointments

1997 – present George Mason University , Fairfax , VA , Dean, School of Information Technology and Engineering.

1994 – 97: University of Colorado , Boulder , Colorado , Chair, Dept. of Electrical and Computer Engineering.

1986 – 93: University of Southern California , Associate Dean for Research and Administration, School of Engineering .

• Academic Faculty Appointments

1997 – present: George Mason University , Fairfax , VA , Professor, Dept. of Electrical and Computer Engineering.

1993 – 97: University of Colorado, Boulder, CO, Professor, Dept. of Electrical and Computer Engineering.

1984 – 93: University of Southern California , Los Angeles , CA , Professor, Dept. of Electrical Engineering-Systems.

1970 – 84: University of Colorado, Boulder, CO, Professor, Dept. of Electrical Engineering.

• Federal Research Program Management

1982 – 83: Office of Naval Research, Arlington , Virginia ,. Program Manager, Electronics Division

• Security Clearance: Top Secret, Special Access

CORPORATE BOARD MEMBERSHIPS

• Information Systems Laboratories, Inc., Vienna , VA : Member, Board of Directors

• JNetDirect, Herndon , VA : Member, Board of Directors

• Ariel Way , Fairfax VA : Member, Board of Directors

PROFESSIONAL EXPERIENCE DETAILS

• Sigaba, Inc., VA: Member, Advisory Board

• George Mason University Century Club: Member, Board of Directors

Professional and Honor Societies/Services

• IEEE, Member and Fellow

• Sigma Xi, Member

• Eta Kappa Nu, Member

• American Society for Engineering Education

• Northern Virginia Technology Council (NVTC), Member

AWARDS AND PRIZES

• 1986 Fellow of IEEE

• 1984 Citation classic designation for “Adaptive antenna systems,” Proc. IEEE , Dec. 1967.

• 1976 Dow Outstanding Young Faculty Award (Regional) from ASEE.

• 1975 Eta Kappa Nu Outstanding Young Educator Award.

• 1971 IEEE Browder J. Thompson Prize Paper Award for “A simple adaptive algorithm for real-time processing in antenna arrays,” Proc. IEEE , Oct. 1969.

PhD STUDENTS (Principal Advisor)

• R. Jeffrey Keeler, “Adaptive spectral estimation methods,” 1979.

• Fred Kitson, “A design procedure for time-varying digital filters with highly quantized coefficients,” 1981.

• Ray A. Medaugh, “A comparison of two fast linear predictors,” 1981.

• Charles W. Jim, “Adaptive arrays,” 1983.

• Moeness G. Amin, Time-varying spectral estimation methods,” 1984.

• Kevin M. Buckley, “Time-varying signal processing,” 1986.

• Ching-Yih Tseng, “Adaptive linearly constrained filtering: Principles and implementations,” 1990.

• Michael J. Rude, “A linearly constrained adaptive algorithm for constant modulus signal processing,” 1990.

• George Zunich, “A robust approach to linearly-constrained adaptive array processing”, 1991.

• Yoshio Okita, “A beamformer matrix design for DOA problems”, 1991.

• David Feldman, “A projection approach for adaptive beamforming under imperfect conditions,” 1993 .

JOURNAL PUBLICATIONS

• L. J. Griffiths, “A comparison of multidimensional Wiener and maximum likelihood for antenna arrays,” Proc. IEEE (letters), vol. 55, no. 11, September, 1967.

• B. Widrow, P. E. Mantey, L. J. Griffiths, and B. B. Goode, “Adaptive antenna systems,” Proc. IEEE , vol. 55, no. 12, December, 1967. Reprinted in full in Adaptive Antennas for Wireless Communications, by George V. Tsoulos, IEEE Press/John Wiley, March 2001.

• L. J. Griffiths, “A simple adaptive algorithm for real-time processing in antenna arrays,” Proc. IEEE , vol. 57, no. 10, October, 1969.

• L. J. Griffiths, “Rapid measurement of digital instantaneous frequency,” IEEE Trans. on Acoustics, Speech and Signal Processing , vol. 23, no. 2, April, 1975.

• L. J. Griffiths, “Adaptive monopulse beamforming,” Proc. IEEE (letters), vol. 64,pp. 1260-62, August 1976.

• L. J. Griffiths, “Time-domain adaptive beamforming of HF backscatter radar signals,” IEEE Trans. on Antennas and Propagation (special issue on adaptive antennas), vol. AP-24, pp. 707-720, September, 1976.

• L. J. Griffiths and R. Pietro-Diaz, “Spectral analysis of natural seismic events using autoregressive techniques,” IEEE Trans. Geoscience Electronics (special issue on signal processing techniques applied to geophysical exploration), vol. GE-15, no. 1, pp. 13-23, January, 1977.

• L. J. Griffiths, “A comparison of quadrature and single-channel receiver processing in adaptive beamforming,” IEEE Trans. on Antennas and Propagation , vol. AP-25, no. 2, pp. 209-218, March, 1977.

• R. J. Keeler and L. J. Griffiths, “Acoustic doppler extraction by adaptive linear prediction filtering,” J. Acoustic Soc. Am, vol. 61, no. 5, pp. 1218-1227, May, 1977.

• R. Kiwimagi, L. J. Griffiths, and R. Furtney, “A worst-case pattern design procedure for evaluating baseband channels,” IBM J. Res. and Dev. , vol. 21, no. 4, pp. 340-349, July, 1977.

• L. J. Griffiths, F. R. Smolka, and L. D. Trembly, “Adaptive deconvolution: A new technique for processing time-varying seismic data,” Geophysics , vol. 43, no. 4, pp. 742-759, June, 1977.

• L. J. Griffiths, (Book review) of Introduction to Discrete-Time Signal Processing by S. A. Tretter, IEEE Trans. on Acoustics, Speech and Signal Processing , vol. ASSP-2C, no. 3, pp. 270-271, June, 1978.

• L. J. Griffiths, “Frequency tracking using an adaptive oscillator,” Signal Processing: Theories and Applications, M. Kunt and F. de Caulon (editors), North Holland Publishing, pp. 425-429, EURASIP, September, 1980.

• L. J. Griffiths and S. R. Parker, “Adaptive signal processing,” (editorial) IEEE Trans. Acoustics, Speech, and Signal Processing , vol. ASSP-29, no. 3, pp. 625-626, June, 1981.

• L. J. Griffiths and C. W. Jim, “An alternative approach to linearly constrained beamforming,” IEEE Trans. Ant. Proc ., vol. AP-30, pp. 27-34, January, 1982.

• L. J. Griffiths and K. B. McGregor, “Spectral estimation using an adaptive oscillator,” Proc. I. R. E. , London , England , March, 1983.

• K. M. Buckley and L. J. Griffiths, “An adaptive generalized sidelobe canceller with derivative constraints,” IEEE Trans. on Antennas and Propagation , Special issue on Adaptive Arrays, March, 1986.

• J. McKown, M.J. Rude, and L.J. Griffiths, “A frequency-domain implementation of the block P-vector adaptive algorithm,” IEEE Trans. on Acoustics, Speech, and Signal Processing , Vol. ASSP-35, No. 5, May 1987, pp 705-707.

• L.J. Griffiths and K.M. Buckley, “Quiescent pattern control in linearly-constrained adaptive arrays,” IEEE Trans. on Acoustics, Speech, and Signal Processing, Vol. ASSP-35, No. 7, July 1987, pp 917-926.

• F.L. Kitson and L.J. Griffiths, “Design and analysis of recursive periodically time varying digital filters with highly quantized coefficients,” IEEE Trans. on Acoustics, Speech, and Signal Processing, Vol. ASSP-36, No. 5, May 1988, pp 674-683.

• K.M. Buckley and L.J. Griffiths, “Improved broad-band source spatial estimation,” IEEE Trans. on Acoustics, Speech, and Signal Processing, Vol. ASSP-36, No. 7, July 1988, pp. 953-964

• L.J. Griffiths, ( ed. ) “Special Section on Neural networks,” IEEE Trans. on Acoustics, Speech, and Signal Processing, Vol. ASSP-36, No. 7, July 1988, pp. 1107-1190.

• C.Y. Tseng and L.J. Griffiths. “A simple algorithm to achieve desired patterns for arbitrary arrays”, IEEE Trans. on Signal Processing, Vol. ASSP-40, No. 11, November 1992, pp 2737-2745.

• C.Y. Tseng and L.J. Griffiths, “Are equi-ripple digital FIR filters always optimal with minimax error criterion?”, IEEE Signal Processing Letters, January, 1994, pp 5-8.

• D.D. Feldman and L.J. Griffiths, “A projection approach for robust adaptive beamforming”, IEEE Trans. on Signal Processing, Vol. 42, No. 4, April, 1994, pp867-876.

• C.Y. Tseng, D.D. Feldman, and L.J. Griffiths, “Steering vector estimation in uncalibrated arrays”, IEEE Trans. on Signal Processing, Vol. 43, No. 6, June, 1995, pp1397-1412.

• P. M. Techau, J. R. Guerci, T. H. Slocumb, and L. J. Griffiths, “Performance bounds for hot and cold clutter mitigation in airborne radar systems,” to appear in IEEE Transactions on Aerospace and Electronic Systems , October, 1999.

• Gregory Kriehn, Andrew Kiruluta, Paulo E. X. Silveira, Sam Weaver, Shawn Kraut, Kelvin Wagner, R. Ted Weverka, and Lloyd Griffiths, “Optical BEAMTAP beam-forming and jammer-nulling system for broadband phased-array antennas”, Applied Optics , vol. 39, no. 2, pp. 212-230, 2000.

CONFERENCE PUBLICATIONS

• P. E. Mantey and L. J. Griffiths, “Iterative least-squares algorithms for signal extraction,” Proc. Second Hawaii International Conference on System Sciences , University of Hawaii , January, 1969.

• L. J. Griffiths, “Minimum mean-square error array processing; an iterative approach,” Proc. of the Symposium on Computer Processing in Communications , Polytechnic Press, New York, Col. XIX, April, 1969.

• L. J. Griffiths and P. E. Mantey, “Computational Considerations in the design of digital estimation filters,” Proc. of the 14 th Symposium on Circuit Theory , University of Denver, Denver, Colorado.

• L. J. Griffiths, “A synthesis procedure for adaptive feedback filters in signal estimation problems,” Proc. 1972 International Symposium on Information Theory , Pacific Grove , California , February, 1972.

• L. J. Griffiths and M. J. Larimore, “Adaptive array processing of HF array signals (summary of TR-73-74),” Proc. 1973 OHD Technical Review Meeting , U. S. Air Force Academy, Colorado Springs, Colorado, March, 1973.

• L. J. Griffiths and M. J. Larimore, “The use of minimum phase filters in the design of recursive estimators,” Proc.. of the 7 th Annual Princeton Conference on Information Sciences , Princeton University, Princeton, New Jersey, March, 1973.

• L. J. Griffiths, “The extraction of target information from radar signals which use the Walsh function modulation formats,” Proc. 1973 Applications of Walsh Functions Conference , Catholic University of America, Washington, D.C., April, 1973.

• L. J. Griffiths, “An adaptive filter for non-linear power spectral estimation,” (invited paper), Proc. 1974 Applications of Walsh Functions , Catholic University of America, Washington, D.C., March, 1974.

• L. J. Griffiths and L. Jacobson, “The use of Walsh Functions in the design of optimum radar waveforms,” (invited paper), Proc. 1974 Applications of Walsh Functions , Catholic University of America, Washington, D.C., March, 1974.

• L. J. Griffiths, “Adaptive antenna systems at HF with experimental results,” Proc. Adaptive Antenna Systems Workshop, Naval Research Laboratory , Washington , D.C. , March, 1974.

• L. J. Griffiths, “Adaptive array processing experiments at HF,” Proc. NATO ASI on Signal Processing , Portovernere , Italy , September, 1976.

• L. J. Griffiths, “An adaptive beamformer which implements constraints using an auxiliary-array processor,” Proc. NATO ASI on Signal Processing , Portovernere , Italy , September, 1976.

• L. J. Griffiths, “An adaptive noise cancelling procedure for multidimensional systems,” Proc. 10 th Annual Asilomar Conference on Circuits, Systems and Computers , H. Titus, ed., Asilomar, California, pp., 158-163, November, 1976.

• L. J. Griffiths, “A continuously-adaptive filter implemented as a lattice structure,” Proc. 1977 IEEE International Conference on Acoustics, Speech and Signal Processing , Hartford, Connecticut, pp. 683-686, May, 1977

• L. J. Griffiths, “An adaptive lattice structure for noise-cancelling applications,” Proc. 1978 IEEE International Conference on Acoustics, Speech and Signal Processing , Tulsa , Oklahoma , pp. 87-90.

• R. Medaugh and L. J. Griffiths, “Optimal filter lengths for an adaptive linear predictor,” Proc. 12 th Annual Asilomar Conference on Circuits, Systems, and Computers , Asilomar, California, pp. 305-309, November, 1978.

• L. J. Griffiths and R. S. Medaugh, “Convergence properties of an adaptive noise-cancelling lattice,” Proc. 17 th International Conference on Decision and Control , San Diego, California, pp. 326-330, January, 1979.

• L. J. Griffiths, “Adaptive structures for multiple-input noise-cancelling applications,” Proc. 1979 International Conference on Acoustics, Speech and Signal Processing , Washington, D.C., pp. 925-928, April, 1979.

• L. J. Griffiths and C. W. Jim, “A new digital adaptive beamforming system for microwave arrays,” Proc. Septieme Colloque Sur le Traitment du Signal et ses Applications , Nice , France , pp. 128-132, May 1979.

• L. J. Griffiths, “High resolution spectral estimates obtained using data extrapolation,” Proc. International Conference on Acoustics, Speech, and Signal Processing , Denver, Colorado, pp. 584-587, April, 1980.

• F. Kitson and L. J. Griffiths, “Grating lobe effects in linear adaptive receiving arrays,” Proc. North American Radio Science Meeting and IEEE/AP-s International Symposium , Universite Laval, Cite universitarie, Quebec , Canada , pp. 113-115, June, 1980.

• L. J. Griffiths and C. W. Jim, “A new digital adaptive beamforming system for microwave radar arrays,” Proc. Adaptive Array Workshop , USAF Academy , Colorado , pp.206-220, July, 1980.

• L. J. Griffiths and D. W. Cooley, “Non-stationary effects in adaptive filtering,” Proc. ICASSP-81 , Atlanta, Georgia, pp. 522-525, March, 1981.

• R. S. Medaugh and L. J. Griffiths, “A comparison of two fast linear predictors,” Proc. ICASSP-81 , Atlanta , Georgia , pp. 293-296, March, 1981.

• L. J. Griffiths and C. W. Jim, “Convergence results for high speed quantized adaptive arrays,” (invited paper), Proc. Int. Conf. on Comm. , Denver , Colorado , June, 1981.

• F. L. Kitson and L. J. Griffiths, “Highly quantized, non-recursive, time-varying digital filters,” Proc. 15 th Asilomar Conference on Circuits, Systems, and Computers , Pacific Grove, California, November, 1981.

• F. l. Kitson and L. J. Griffiths, “The design of time-varying digital filters which employ binary-valued coefficients,” Proc. ICASSP-82 , Paris , France , pp. 302-306, May, 1982.

• R. S. Medaugh and L. J. Griffiths, “Further results of a least-squares and gradient lattice adaptive algorithm comparison,” Proc. ICASSP-82, Paris , France , pp. 1412-1416, May, 1982.

• E. H. Satorius and L. J. Griffiths, “Adaptive lattice filters - properties and applications” (invited paper), Proc. IEEE Int. Symp. Info. Theory , Les Arcs, France , June, 1982.

• P. Warren, and L. J. Griffiths, “Finite word length effects in the LMS adaptive algorithm,” Proc. 16 th Asilomar Conf. on Circuits, Systems, and Computers , Pacific Grove, California, November, 1982.

• L. J. Griffiths, S. W. Larisch, and E. H. Satorius, “A comparison of multidimensional noise cancelling algorithms,” Proc. 16 th Asilomar Conference on Circuits, Systems, and Computers , Pacific Grove, California, November, 1982.

• E. H. Satorius, S. W. Larisch, and L. J. Griffiths, “Fixed-point implementation of adaptive digital filters,” Proc. ICASSP-83, Boston , Massachusetts, pp. 33-36, April, 1983.

• L. J. Griffiths and M. Amin, “Time varying spectral estimation using symmetric smoothing,” Proc. ICASSP-83 , Boston , Massachusetts , pp. 9-12, April, 1983.

• M. A. Amin and L. J. Griffiths, “A new approach to recursive power spectral estimation,” Proc. I CASSP-84 , pp. 13.11.1-13.11.4, San Diego , California , March, 1984.

• L. J. Griffiths, “Time-varying spectrum estimation, a new approach,” (abstract only), Proc. Seismic Decon Workshop , pp. 10, Vail, Colorado , July, 1984.

• L. J. Griffiths and M. A. Amin, “Adaptive spectral estimation: Fourier Transform vs. model-based approaches,” Proc. Asilomar Conference on Circuits and Systems , Asilomar , California , October, 1984.

• L. J. Griffiths, “Time-varying filtering and spectrum estimation,” (invited to talk, abstract only), Proc. NATO Advanced Study Institute on Adaptive Methods in Underwater Acoustics, Luneburg , Germany , August, 1984.

• K. M. Buckley and L. J. Griffiths, “Linearly-constrained beamforming: a relationship between phase center location and beam pattern,” Proc. 19 th Annual Asilomar Conference on Circuits, Systems, and Computers, Asilomar , California , November, 1985.

• L. J. Griffiths, “A novel window for high-resolution Fourier Transforms,” Proc. 19 th Annual Asilomar Conference on Circuits, Systems, and Computers , Asilomar , California , November, 1985.

• K. M. Buckley and L. J. Griffiths, “Eigenstructure-based broadband source location estimation,” Proc. International Conference on Acoustics, Speech, and Signal Processing , Tokyo, Japan, April, 1986.

• L.J. Griffiths, “High resolution spectral estimation: Rethinking the Fourier transform,” Proc, International Conf. on Acoustics, Speech, and Signal Proc. , Tokyo , Japan , April 1986.

• K.M. Buckley and L.J. Griffiths, “Eigenstructure-based broadband source location estimation,” Proc, International Conf. on Acoustics, Speech, and Signal Proc. , Tokyo, Japan, April 1986.

• K. M. Buckley and L. J. Griffiths, “ Spatial filtering with broadband minimum variance beamformers,” Proc. IEEE AP-S International Symposium , Philadelphia , Pennsylvania , June, 1986.

• K.M. Buckley and L.J. Griffiths, “Direct broadband array data processing for source location estimation,” Proc, MILCOM-86 , Monterey , CA , pp 41.1.1 - 41.1.5, October 1986.

• L.J. Griffiths and M.J. Rude, “The P-vector algorithm: A linearly constrained point of view,” Proc Twentieth Asilomar Conference on Signals, Systems and Computers , Pacific Grove , CA , November 1986.

• L.J. Griffiths, T.C. Jedrey, J.P. Lux, and E.H. Satorius, “Binary linear predictive filtering for modeling 2-D images,” Proc Twentieth Asilomar Conference on Signals, Systems and Computers , Pacific Grove, CA, November 1986.

• K.M. Buckley and L.J. Griffiths, “Comparison between eigenvector, point, and derivative constraint approaches to beamformer response control,” Proc Twentieth Asilomar Conference on Signals, Systems and Computers ,, Pacific Grove, CA, November 1986.

• K.M. Buckley and L.J. Griffiths, “Direct Broadband array data processing for source location estimation,” Proc Third ASSP Workshop on Spectrum Estimation and Modeling , Northeastern University, Boston, MA, November 1986.

• L.J. Griffiths and M. J. Rude “Adaptive filtering without a desired signal,” Proc. International Conf. on Acoustics, Speech, and Signal Processing, Dallas , Texas , April 1987, pp 105-108.

• K.M. Buckley and L.J. Griffiths, “Design of deterministic beamformers for arbitrary configured arrays,” Proc. International Conf. on Acoustics, Speech, and Signal Processing, Dallas, Texas, April 1987, pp 1995-1998.

• L.J. Griffiths, “A new approach to partially adaptive arrays,” Proc. International Conf. on Acoustics, Speech, and Signal Processing , Dallas , Texas , April 1987, pp 1999-2002.

• L.J. Griffiths, “Linearly-constrained adaptive signal processing methods,” Proc. SPIE 31 st Annual Int. Tech. Symp. on Optical and Optoelectronic Applied Science and Eng., San Diego , CA , August, 1987.

• K.M. Buckley and L.J. Griffiths, “BASS-ALE and CSS broad-band spatial-spectral estimators: Focusing preprocessor structures and rank reduction,” Proc. Twenty-first Asilomar Conference on Signals, Systems, and Computers ,Pacific Grove, CA, November 1987.

• C. Tseng and L.J. Griffiths, “Decomposing the blocking matrix in the generalized sidelobe canceller,” Proc. Twenty-first Asilomar Conference on Signals, Systems, and Computers , Pacific Grove, CA, November 1987.

• E.S. Haberman and L. J. Griffiths, “Toeplitz-Hankel decomposition for direction of arrival estimation using transient signals,” Proc. International Conf. on Acoustics, Speech, and Signal Processing, New York, NY, April 11-14, 1988, pp 2444-2447.

• T. T. Ma and L. J. Griffiths, “A solution space approach to achieving partially adaptive arrays,” Proc. International Conf. on Acoustics, Speech, and Signal Processing, New York, NY, April 11-14, 1988, pp 2869-2872.

• L.J. Griffiths and E. Satorius, “Interference Techniques for Mobile Antennas”, Proc. Mobile Satellite Conf. , NASA-JPL, Pasadena, CA, May 3-5, 1988, pp 235-240.

• C. Tseng and L.J. Griffiths, “A systematic procedure for implementing the blocking matrix in decomposed form”, Proc. Twenty-second Asilomar Conference on Signals, Systems, and Computers , Pacific Grove, CA, November 1988.

• C. Tseng and L.J. Griffiths, “A systolic power-of-two multiplier structure”, Proc. IEEE International Symposium on Circuits and Systems, Portland , Oregon , May 1989.

• M.J. Rude and L.J. Griffiths,.”Incorporation of linear constraints into the Constant Modulus Algorithm”. Proc. International Conf. on Acoustics, Speech, and Signal Processing, Glasgow , UK , May 1989.

• C. Tseng and L.J. Griffiths, “An iterative approach for deterministic beamformer design”,. Proc. IEEE Pacific Rim Conference on Communications, Computers and Signal Processing, .Victoria, Canada, June 1989.

• C.Y. Tseng and L.J. Griffiths, “A unification and comparison of adaptive linearly-constrained beamforming structures”, SPIE 33 rd Annual International Technical Symposium, August 1989, San Diego , California .

• C.Y. Tseng and L.~J. Griffiths, “A new approach for reducing perturbation sensitivity in linearly-constrained adaptive arrays,” Proc. of the Asilomar Conference on Signals, Systems and Computers , pp 53-58, Pacific Grove, CA, Nov. 1989.

• C.~Y. Tseng and L.~J. Griffiths, “On the implementation of adaptive filters with adjustable linear constraints,” Proc. of the International. Conf. on Acoustics, Speech, and Signal Processing , pp 1449-1452, Albuquerque , New Mexico , Apr. 1990.

• C.Y. Tseng and L.J. Griffiths, “Linearly-constrained beamformer design using the generalized singular value decomposition,” Proc. EUSIPCO-90, Barcelona , Spain , Sept. 1990.

• M.J. Rude and L.J. Griffiths, “A linearly-constrained adaptive algorithm for constant modulus signal processing,” Proc. EUSIPCO-90, Barcelona , Spain , Sept. 1990.

• M.J. Rude and L.J. Griffiths, “An untrained, fractionally-spaced equalizer for co-channel interference environments,” Proc. of the Asilomar Conference on Signals, Systems and Computers , Monterey , CA , November 1990.

• D.D. Feldman and L.J. Griffiths, “A method for selecting the number of weights in an echo-canceller”, Proc. of the Asilomar Conference on Signals, Systems and Computers , Pacific Grove, CA, Nov. 1990.

• G.T. Zunich and L.J. Griffiths, “A robust method for adaptive arrays”, Proc. of the Asilomar Conference on Signals, Systems and Computers , Pacific Grove, CA, Nov. 1990.

• D.D. Feldman and L.J. Griffiths, “A constraint projection approach for robust adaptive beamforming”, Proc. of the Int. Conference on Acoustics, Speech, and Signal Processing , pp 1381-1384, Toronto, Canada, May 1991.

• G.T. Zunich and L.J. Griffiths, “A robust method in adaptive array processing for random phase errors”, Proc. of the Int. Conference on Acoustics, Speech, and Signal Processing , pp 1357-1360, Toronto, Canada, May 1991.

• C.Y. Tseng and L.J. Griffiths, “A simple algorithm to achieve equiripple patterns for arbitrary arrays”, Proc. International IEEE/AP-S Symposium , London , Ontario , Canada , June 1991.

• M.J. Rude and L.J. Griffiths, “Sensitivity of the linearly constrained Constant-modulus cost function,” Proc. of the Asilomar Conference on Signals, Systems and Computers , Pacific Grove, CA, Nov. 1991.

• C. Y. Tseng, D. D. Feldman, and L. J. Griffiths, “Direction of arrival estimation under perturbed conditions,” Proc. EUSIPCO , Aug. 1992.

• L. Castedo, C. Y. Tseng, and L. J. Griffiths, “An adjustable constraint approach for robust adaptive beamforming,” Proc. EUSIPCO , Aug. 1992.

• L.J. Griffiths. “Steering vector estimation in the presence of calibration errors”, Proc. of the Adaptive Sensor Array Processing Workshop, Lincoln Laboratory, March 1993, pp 349-366.

• L. Castedo, C. Y. Tseng, and L. J. Griffiths, “A new cost function for adaptive beamforming using cyclostationary signal properties,” Proc. of the Int. Conference on Acoustics, Speech, and Signal Processing , Minneapolis, MN, April 1993, pp 284-288.

• C. Y. Tseng, and L. J. Griffiths, “Adaptive broadband beamforming using phase-independent derivative constraints,” Proc. of the Int. Conference on Acoustics, Speech, and Signal Processing , Minneapolis, MN, April 1993, pp 536-540.

• D. Feldman, and L. J. Griffiths, “A performance analysis of robust constrained beamforming with random errors,” Proc. of the Int. Conference on Acoustics, Speech, and Signal Processing , Minneapolis, MN, April 1993, pp 540-544.

• L. Castedo, A.R. Figueres-Vidal, C. Y. Tseng and L.J. Griffiths, “Signal properties in multipath environments,” Proc. of the Asilomar Conference on Signals, Systems and Computers , Pacific Grove, CA, Nov. 1993, pp 653-658.

• C. Y. Tseng, D. D. Feldman and L.J. Griffiths, “Estimation of signal steering vectors in uncalibrated arrays,” Proc. of the Asilomar Conference on Signals, Systems and Computers , Pacific Grove, CA, Nov. 1993, pp 1062-1067.

• L.J. Griffiths, “Adaptive arrays: An Early Perspective”, Proc. Of the Adaptive Sensor Array Processing Workshop , Plenary Invited Talk, MIT Lincoln Laboratory, Lexington, MA, March 1994, pp 101-115.

• C. Y. Tseng, and L. J. Griffiths, “Adaptive broadband beamforming using phase-independent derivative constraint techniques,” Proc. of the Int. Conference on Acoustics, Speech, and Signal Processing , Adelaide, Australia, April 1994, pp IV 536 - IV 539.

• D.D. Feldman and L.J. Griffiths, “A performance analysis of robust constrained beamforming with random errors,” Proc. of the Int. Conference on Acoustics, Speech, and Signal Processing , Adelaide, Australia, April 1994, pp IV 540 - IV 543.

• L. Castedo, C. Y. Tseng, and L. J. Griffiths, “A new cost function for adaptive beamforming using cyclostationary signal properties,” Proc. of the Int. Conference on Acoustics, Speech, and Signal Processing , Adelaide, Australia, April 1994, pp IV 284 - IV 287.

• L.J. Griffiths, “Modern visualization tools in space time adaptive processing of radar data”, Proc. Of the Adaptive Sensor Array Processing Workshop , MIT Lincoln Laboratory, Lexington, MA, March 1995, pp 446-461.

• L.J. Griffiths, “Linear constraints in hot clutter cancellation,” Proc. of the Int. Conference on Acoustics, Speech, and Signal Processing , Atlanta, GA, May 1996, pp II 1181 - 1184.

• L.J. Griffiths, “Multiple-pulse STAP adaptation prior to radar processing”, Proc. of the Asilomar Conference on Signals, Systems and Computers , Pacific Grove, CA, Nov. 1996.

• P. M. Techau, J. R. Guerci, T. H. Slocumb, and L. J. Griffiths, “Site-specific performance bounds for interference mitigation in airborne radar systems,” Proceedings of the Adaptive Sensor Array Processing (ASAP) Workshop , MIT Lincoln Laboratory, Lexington, MA, March 10-11, 1999.

• P. M. Techau, J. R. Guerci, T. H. Slocumb, and L. J. Griffiths, “Performance bounds for interfer-ence mitigation in radar systems,” Proceedings of the 1999 IEEE Radar Conference , Waltham , MA , April 20-22, 1999 .

• K. Wagner, Z. Popavic, D. Anderson, R. Babbitt, L.J. Griffiths, A. Knoesen, T. Weverka, “An Overview of the RF Photonics Systems for Antenna Arrays MURI - INVITED PAPER, “ Proceedings of the 2000 PSAA Conference, Naval Postgraduate School, Monterey, CA., February, 2000.

• K. L. Bell, H. L. Van Trees, and L. J. Griffiths, “Adaptive Beampattern Control Using Quadratic Constraints for Circular Array STAP,” 8 th Annual Workshop on Adaptive Sensor Array Processing (ASAP 2000) , MIT Lincoln Lab, Lexington , MA , pp. 43-48, March 2000.

• L. J. Griffiths, P. M. Techau, J. S. Bergin, and K. L. Bell, “Space-Time Adaptive Processing in Airborne Radar Systems,” IEEE 2000 Intl. Radar Conference (RADAR 2000) , Alexandria, VA, pp. 711-716, May 2000.