Phone: +81-50-5533-8500 E-mail: takizawa Personal Homepage: http://www.ism.ac.jp/~takizawa/ Date of Birth: February, 1961 Education: Bachelor of Science, Dept. of Physics, Shinshu Univ., 1984. Degree: Doctor of Engineering, Univ. of Tokyo, 1994, Title of the Thesis: Theory and Application in Nonstationary Process based on Modelling. Employment: Communication and System Lab., Oki Electric Industry Co., Ltd., April, 1984. Research Group Leader, Communication & System Lab, Oki Electric, April, 1990. Associate Professor, The Institute of Statistical Mathematics, July, 1995. Associate Professor, Department of Statistical Modeling, The Institute of Statistical Mathematics, April, 2005. Honors & Awards: The Prize of Telecommunication System Engineering, The Telecommunication Advancement Foundation, March 2004. Research Fields: Signal processing and communication Research Themes: Nonstationary signal processing, communication methods, biotical signal processing in weakly electric fish

Selected Papers
(1) A Mathematical Scheme of Multi-User Receiver in W-CDMA Mobile Communication based on the Conjugate Gradient Method, WSEAS Transactions on Signal Processing, 2(1) (2005), 244-248 (co-auther).
(2) Enhancement of the W-CDMA Scheme based on Parallel Matched Filters, WSEAS Transactions on Communications, 5(4) (2005), 211-215 (co-auther).
(3) Coherent SS Modulation with Estimation and Compensation of Phases Rotation using Pilot Channel, Journal on Circuits, Systems, and Computers, 13(2) (2004), 361-373 (co-auther).
(4) Sampling and bandlimitation of nonstationary time signals, Advances in Systems Science: Measurement, Circuits and Control; Electrical and Computer Engineering Series, WSES Press (2001), 533-537 (co-author).
(5) Resolving competing theories for control of the jamming avoidance response: the role of amplitude modulations in electric organ discharge decelerations, Journal of Experimental Biology, 202 (1999), 1377-1386 (co-author).
(6) The latest technology of wideband-spread CDMA for mobile radio, Journal on C.C.C.C.C., Hungary, XLIX (9-10)(1998), 3-8(co-author).
(7) Basic understanding on spread spectral communication and its application to mobile radio communications, IEICE Journal, 81(1998), 51-59 (co-author).
(8) Analysis method of nonstationary waveform based on a modulation model, IEICE Trans. on Fundamentals, E80A (1997), 951-957 (co-author).
(9) Human sleep electroencephalogram analysis based on the instantaneous maximum entropy method, IEICE Trans. on Fundamentals, E80A (1997), 965-970 (co-author).
(10) Wideband CDMA system for personal radio communications, IEEE Communications Magazine, 34 (1996), 116-123 (co-author).
(11) Analysis of engine states and mobile features based on time-dependent spectral characteristics, IEICE Trans. on Fundamentals, E75-A (1992), 1524-1532 (co-author).
(12) Spectral estmation method of multistage nonstationary process and its application, IEICE Trans. on Fundamentals, J74-A (1991), 1467-1482.
(13) Spectral estmation of nonstationary process based on instantaneous maximum entropy method, IEICE Trans. on Fundamentals, J73-A (1990), 1083-1093.

Membership of Academic Societies
The Institute of Electronics, Information and Communication Engineers

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