Wai-Kai Chen

Professor and Head

Education

Ph.D. Electrical Engineering

University of Illinois, Urbana-Champaign, 1964

M.S. Electrical Engineering

Ohio University, 1961

B.S. Electrical Engineering

Ohio University, 1960

Research Interests:

Current research interests are in the areas of circuits and systems, including broadband matching, applied graph theory, active networks, net theory, operations research, feedback analysis, signal processing, and filters. Also of special interest are the theory of algorithms and, in particular, the applications of graph theory to VLSI layout and parallel computations.

Publications, 1990 - Present:

W.K. Chen, Linear Networks and Systems: Algorithms and Computer-Aided Implementations. Singapore: World Scientific Publishing Co. Pte. Ltd., 1990.

Volume 1. Fundamentals. 337 pp. and 280 illustrations.

Volume 2. Fourier Series and Transforms. 529 pp. and 254 illustrations.

W.K. Chen, Active Network Analysis, Singapore: World Scientific Publishing Co. Pte. Ltd., 642 pp., 398 illustrations, 1991.

W.K. Chen, X.Y. Wu, S.M. Wu and Z.M. Wang, Modern Network Analysis. Beijing, China: The People's Posts and Telecommunications Publishing Co., 1343 pp., 739 illustrations, 1992.

W.K. Chen, Active Network Analysis: Problems and Solutions, Singapore: World Scientific Publishing Co. Pte. Ltd., 306 pp., 119 illustrations, 1993.

W.K. Chen, Linear Networks and Systems: Problems and Solutions, Singapore: World Scientific Publishing Co. Pte. Ltd., 457 pp., 511 illustrations, 1994.

W.K. Chen (editor-in-chief), The Circuits and Filters Handbook, Boca Raton, FL: The CRC Press, and New York: The IEEE Press, 2879 pp., 2030 illustrations, 1995.

Y.S. Zhu and W.K. Chen, Computer-Aided Design of Communication Networks, Singapore: World Scientific Publishing Co. Pte. Ltd., xxx pp., xxx, illustrations, 1996.

W.K. Chen and K. Wang, "Placement," pp. 96-120, in Progress in Computer Aided VLSI Design, G. Zobrist (editor), Norwood, NJ: Ablex Publishing Corp., Chapter 3, Vol. 5, 1993.

W.K. Chen, "Dimensional Analysis," pp. 204-223, in Kirk-Othmer Encyclopedia of Chemical Technology, M. Howe-Grant and J. I. Kroschwitz (editors), New York: Wiley-Interscience, Fourth Edition, Vol. 8, 1993.

W.K. Chen, "State Variables," pp. 169-178, in The Electrical Engineering Handbook, R. C. Dorf (editor), Littleton, CA: CRC Press, 1993.

W.H. Liang, W.K. Chen, and S.Q. Gao, "Applications of Lattice Theory to Graph Decomposition," Circuits, Systems and Signal Processing, Vol. 9, No. 2, pp. 181-195, 1990.

Y.S. Zhu and W.K. Chen, "On the Design of Butterworth or Chebyshev Broadband Impedance-Matching Networks," Circuits, Systems and Signal Processing, Vol. 9, No. 1, pp. 55-73, 1990.

J.A. Gong and W.K. Chen, "On the Design of a Multiplexer with a Common Junction," Circuits, Systems and Signal Processing, Vol. 9, No. 1, pp. 75-97, 1990.

W.K. Chen and R.S. Liang, "A General n-port Network Reciprocity Theorem," IEEE Transactions on Education, Vol. 33, No. 4, pp. 360-362, November 1990.

W.K. Chen and Q.Z. Zha, "The Synthesis of Chebyshev Broad-Band Impedance-Matching Ladder Networks," Journal of the Franklin Institute, Vol. 327, No. 3, pp. 377-402, 1990.

Z.X. Lin and W.K. Chen, "A New Approach to Cascade Synthesis," Journal of the Franklin Institute, Vol. 328, No. 1, pp. 85-101, January 1991.

Q.Z. Zha and W.K. Chen, "Broad-band Impedance Matching of the RLC Generator and Load," Journal of the Franklin Institute, Vol. 328, No. 2/3, pp. 317-337, February/March 1991.

M.D. Tong and W.K. Chen, "On Linear Multivariable and Multiloop Feedback Networks," IEEE Transactions on Circuits and Systems, Vol. CAS-38, No. 8, pp. 869-874, August 1991.

W.K. Chen and J. Lu, "On the Assignment of Loop Sets to Graphs," IEEE Transactions on Circuits and Systems, Vol. CAS-38, No. 9, pp. 1090-1092, September 1991.

H.Y. Wang and W.K. Chen, "An Extension of a Dual Theorem on the Summation of Return Differences," IEEE Transactions on Circuits and Systems, Vol. CAS-38, No. 9, pp. 1110-1113, September 1991.

Y.S. Zhu and W.K. Chen, "A CAD Method for the Design of a Doubly-Matched Broadband Network Having Complex Transmission Zeros," Journal of Circuits, Systems and Computers, Vol. 1, No. 4, pp. 401-415, 1991.

H.Y. Wang, W.J. Su and W.K. Chen, "The Indefinite-Admittance Matrix of a Constrained Network," Journal of the Franklin Institute, Vol. 329, No. 2, pp. 333-346, 1992.

J.A. Gong and W.K. Chen, "Computer-Aided Design of a Singly-Matched (S-M) Multiplexer with a Common Junction," IEEE Transactions on Microwave Theory and Techniques, Vol. 41, No. 5, pp. 886-890, May 1993.

Y.S. Zhu and W.K. Chen, "On Real and Complex Normalization," Circuits, Systems, and Signal Processing, Vol. 12, No. 4, pp. 579-587, 1993.

M.D. Tong and W.K. Chen, "A Novel Proof of the Souriau-Frame-Faddeev Algorithm," IEEE Transactions on Automatic Control, Vol. 38, No. 9, pp. 1447-1448, 1993.

J.L. Wan and W.K. Chen, "On Consistency of the Complex Normalized Scattering Matrix of Multi-Port Networks," Journal of the Franklin Institute, Vol. 332, No. 3, pp. 441-451, 1993.

Y.S. Zhu and W.K. Chen, "A Useful Identity in Circuit Theory," Journal of the Franklin Institute, Vol. 330, No. 6, pp. 1051-1061, 1993.

Y.S. Zhu and W.K. Chen, "A Real-Frequency Approach to the Design of a Low-Pass High-Pass Reactance-Ladder Diplexer, "Journal of Circuits, Systems and Computers, Vol. 3, No. 4, pp. 773-795, 1993.

X.Y. Wu, H. Chen, W. Tan and W.K. Chen, "The Improvement of the Hardware Design of Artificial CNN and a Fast Algorithm of CNN Component Detector," Journal of the Franklin Institute, Vol. 330, No. 6, pp. 1005-1015, 1993.

X.Y. Wu, C. Liu and W.K. Chen, "A Unified Method for Fast Modeling of DC-DC Switching Converters,"Journal of the Franklin Institute, Vol. 330, No. 6, pp. 1017-1049, 1993.

B. Zhu, X. Wu, W. Zhuang, and W.K. Chen, "A New One-and-Half Layer Channel Routing Algorithm Based on Assigning Resources for CMOS Gate Array," IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, Vol. 12, No. 2, pp. 250-264, February 1993.

A. Lu, X. Wu, W. Zhuang, and W.K. Chen, "A New Global Routing Subsystem for CMOS Gate Arrays," IEE Proceedings: Part G Circuits, Devices and Systems, Vol. 141, No. 5, pp. 421-426, October 1994.

Q.Z. Zha and W.K. Chen, "Synthesis of an n-Port Matching Network" Journal of the Franklin Institute, Vol. 331B, No. 4, pp. 449-461, 1994.

J.L. Wan and W.K. Chen, "Unified Theory of Compatible Impedances," IEE Proceedings: Part G Circuits, Devices and Systems, Vol. 142, No. 1, pp. 15-20, February 1995.

J.L. Wan and W.K. Chen, "A Set of Youla's Equivalent Constraints on Broadband Matching," IEEE Transactions on Circuits and Systems, Series I, Vol. CAS-42, No. 5, pp. 285-288, May 1995.

Y.S. Zhu and W.K. Chen, "The U-Function under Lossless Nonreciprocal Imbedding," Circuits, Systems and Signal Processing, Vol. 13, No. x, pp. xxx-xxx, 1995.

X.Y. Wu, Y.S. Xia, J. Li, and W.K. Chen, "A High Performance Neural Network for Solving Linear and Quadratic Programming Problems," IEEE Transactions on Neural Networks, Vol. xx, No. x, pp. xxx-xxx, 1996.

B.F. Wang and W.J. Zhang and W.K. Chen, "A Systematic Design of Multilayer Composite-Glass with Thin Film Metallic Layer," IEEE Transactions on Microwave Theory and Techniques, Vol. xx, No. x, pp. xxx-xxx-, 1996.

S. Shinoda, W.K. Chen, T. Yasuda, Y. Kajitani, and W. Mayeda, "A Necessary and Sufficient Condition for Any Tree of a Connected Graph to be a DFS-Tree of One of Its 2-Isomorphic Graphs," Proceedings of the IEEE International Symposium on Circuits and Systems, New Orleans, Louisiana, pp. 2841-2844, May 1-3, 1990.

H. Tang and W.K. Chen, "Generation of Rectangular Duals of a Planar Triangulated Graph by Elementary Transformations," Proceedings of the IEEE International Symposium on Circuits and Systems, New Orleans, Louisiana, pp. 2857-2860, May 1-3, 1990.

Q.Z. Zha and W.K. Chen, "Broadband Impedance Matching of the RLC Generator and Load," Proceedings of the IEEE International Symposium on Circuits and Systems, New Orleans, Louisiana, pp. 2774-2777, May 1-3, 1990.

W.K. Chen and Q.Z. Zha, "Factorizations and Complex Normalization of Scattering Matrices," Proceedings of the Thirty-Fourth Midwest Symposium on Circuits and Systems, Monterey, California, pp. 716-718, May 14-17, 1991.

W.K. Chen, "The Use of the Matrix Signal-Flow Graph in State-Space Formulation of Feedback Theory," Proceedings of the IEEE International Symposium on Circuits and Systems, Singapore, pp. 1005-1008, June 11-14, 1991.

Q.Z. Zha and W.K. Chen, "Synthesis of an n-Port Matching Network," Proceedings of the IEEE International Symposium on Circuits and Systems, Singapore, pp. 1259-1262, June 11-14, 1991.

W.K. Chen and Q.Z. Zha, "State-Space Formulation of Feedback Theory," Proceedings of the IEEE International Symposium on Circuits and Systems, Singapore, pp. 2893-2896, June 11-14, 1991.

W.K. Chen and H.Y. Wang, "On Complementarity of a Semi-Indefinite Network," Proceedings of the IEEE International Symposium on Circuits and Systems, San Diego, California, pp. 1756-1759, May 10-13, 1992. IEEE Publication No. 92CH3139-3.

Y.S. Zhu and W.K. Chen, "A CAD Method for the Design of a Doubly-Matched Broadband Network Having Complex Transmission Zeros," Proceedings of the IEEE International Symposium on Circuits and Systems, San Diego, California, pp. 1965-1968, May 10-13, 1992. IEEE Publication No. 92CH3139-3.

H. Tang and W.K. Chen, "Floorplanning via Graph Dualization with Subsets of Rectangular and L-Shaped Modules," Proceedings of the Thirty-Fifth Midwest Symposium on Circuits and Systems, Washington, D.C., pp. 1040-1043, August 9-12, 1992.

T. Takahashi, K. Tochihara, C. Yamada, M. Sengoku, T. Abe, and W.K. Chen, "Minimum Order of Unique-Center with Specified Radius and Diameter, " Proceedings of the IEEE Asia-Pacific Conference on Circuits and Systems, Sydney, Australia, pp. 74-78, December 8-11, 1992.

W.K. Chen, "Broadband Matching: Theory and CAD Solutions," Proceedings of the International Computer Symposium, Taichung, Taiwan, pp. 1085-1092, December 13-15, 1992.

J.A. Gong and W.K. Chen, "On the Design of a Doubly-Matched (D-M) Diplexer with a Common Junction," Proceedings of the IEEE International Symposium on Circuits and Systems, Chicago, Illinois, pp. 1002-1005, May 3-6, 1993. IEEE Publication No. 93CH3299-5.

K. Wang and W.K Chen, "A Class of Zero Wasted Area Floorplan for VLSI Design," Proceedings of the IEEE International Symposium on Circuits and Systems, Chicago, Illinois, pp. 1762-1765, May 3-6, 1993. IEEE Publication No. 93CH3299-5.

W.K. Chen and D.Q. Dai, "Relaxation Algorithm for Load Flow Calculation in Power Systems," Proceedings of the International Symposium on Circuits and Systems, Chicago, Illinois, pp. 2640-2643, May 3-6, 1993. IEEE Publication No. 93CH3299-5.

J.L. Wan and W.K. Chen, "On Passive and Active Compatible Impedances," Proceedings of the International Symposium on Circuits and Systems, Chicago, Illinois, pp. 2689-2692, May 3-6, 1993. IEEE Publication No. 93CH3299-5.

W.S. Zhou, Y.S. Zhu, and W.K. Chen, "The U-Function under Lossless Nonreciprocal Imbedding," Proceedings of the International Symposium on Circuits and Systems, Chicago, Illinois, pp. 2701-2704, May 3-6, 1993. IEEE Publication No. 93CH3299-5.

Y.S. Zhu and W.K. Chen, "A Real-Frequency Approach to the Design of a Butterworth Diplexer," Proceedings of the Thirty-Sixth Midwest Symposium on Circuits and Systems, Detroit, Michigan, pp. 784-787, August 16-18, 1993. IEEE Publication No. 93CH3381-1.

R. Gudipati and W.K. Chen, "Explicit Formulas for Element Values of the Lowpass, Highpass and Bandpass Ladders with Butterworth or Chebyshev Response," Proceedings of the Thirty-Sixth Midwest Symposium on Circuits and Systems, Detroit, Michigan, pp. 645-648, August 16-18, 1993. IEEE Publication No. 93CH3381-1.

K. Wang and W.K. Chen, "Optimum Area Minimization for Nonslicing Floorplans," Proceedings of the Thirty-Sixth Midwest Symposium on Circuits and Systems, Detroit, Michigan, pp. 522-525, August 16-18 1993. IEEE Publication No. 93CH3381-1.

J.L. Wan and W.K. Chen, "A Set of Youla's Equivalent Constraints on Broadband Matching," Proceedings of the International Symposium on Circuits and Systems, London, England, Volume 5, pp. 165-168, May 30 - June 2, 1994. IEEE Publication No. 94CH3435-5.

K. Wang and W.K. Chen, "Floorplan Area Optimization Using Network Analogous Approach," Proceedings of the International Symposium on Circuits and Systems, Seattle, Washington, pp. 167-170, April 29 - May 3, 1995. IEEE Publication No. 95CH35771.

R. Gudipati and W.K. Chen, "Explicit Formulas for the Design of Broadband Matching Bandpass Equalizers with Chebyshev Response," Proceedings of the International Symposium on Circuits and Systems, Seattle, Washington, pp. 1644-1647, April 29-May 3, 1995. IEEE Publication No. 95CH35771.

M.D. Tong and W.K. Chen, "Application of Return Difference Matrix to Stability Analysis for Multivariable Feedback Networks," Proceedings of the International Symposium on Circuits and Systems, Seattle, Washington, pp. 1656-1659, April 29-May 3, 1995. IEEE Publication No. 95CH35771.

W.K. Chen, "Squaring Rectangles and VLSI Layouts," Proceedings of the International Conference on Neural Networks and Signal Processing, Nanjing, China, pp. xxx-xxx, December 10-13, 1995.