Special Section on Surveys of Researches in CAS Fields in the Last Two Decades, II
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 . FOREWORD ....................................................... 1093
        The Editorial Committee of the IEICE Trans. Fundamentals

PAPERS
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 . On Restoration and Approximation of Multi-Dimensional Signals Using
   Sample Values of Transformed Signals ........................... 1095
        Takuro KIDA

 . Development in Graph- and/or Network-Theoretic Research of Cellular
   Mobile Communication Channel Assignment Problems ............... 1117
        Masakazu SENGOKU, Hiroshi TAMURA, Shoji SHINODA and Takeo ABE

 . Activities on Net Theory in Japan .............................. 1125
        Sadatoshi KUMAGAI

 . On Solutions of the Element-Value Determinability Problem of Linear
   Analog Circuits ................................................ 1132
        Shoji SHINODA and Kumiko OKADA

 . Two Topics in Nonlinear System Analysis through Fixed Point Theorems
            ....................................................... 1144
        Shin'ichi OISHI

Regular Section
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PAPERS
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[Adaptive Signal Processing]

 . A Fast Newton/LMS Algorithm .................................... 1154
        Tae-Sung KIM and Seong-Dae KIM

[Algorithms, Data Structures and Computational Complexity]

 . Navigating in Unknown Environment with Rectangular Obstacles ... 1157
        Aohan MEI and Yoshihide IGARASHI

[Digital Signal Processing]

 . Design of 2-D Separable Denominator IIR Digital Filters in Spatial
   Domain ......................................................... 1163
        Thanapong JATURAVANICH and Akinori NISHIHARA

[Numerical Analysis and Self-Validation]

 . A Katzenelson-Like Algorithm for Solving Nonlinear Resistive
   Networks ....................................................... 1172
        Kiyotaka YAMAMURA

[Switched Capacitor Circuits]

 . An Oversampled Sigma-Delta A/D Converter Using UGB Integrator with
   Gain-Error Compensator ......................................... 1179
        Kenichi SUGITANI, Fumio UENO, Takahiro INOUE and Takeru
        YAMASHITA

[Ultrasonics]

 . 200-kHz Wide-Band Underwater Ultrasonic Transducers for Color Video
   Picture Transmission ........................................... 1185
        Takeshi INOUE, Noriko WATARI, Akira KAMEYAMA, Michiya SUZUKI
        and Tetsuo MIYAMA

LETTERS
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[Acoustics]

 . A Signal Information Processing for the Stochastic Response
   Prediction of Double-Wall Type Sound Insulation System ......... 1194
        Mitsuo OHTA and Shigeharu MIYATA

[Adaptive Signal Processing]

 . On the Relationship between Discrete Walsh Transform and the
   Adaptive LMS Algorithm ......................................... 1199
        Jiangtao XI and Joe F. CHICHARO

[Fuzzy Theory]

 . Comparison among Methods for Compounding Psychological Scale Values
   in the Multiple-Scale Technique ................................ 1202
        Ayumi YOSHIKAWA and Takeshi NISHIMURA

[Linear and Nonlinear Digital Filters]

 . On the Lossless ��-Cascade Synthesis of a Bounded Complex Digital
   Filter ......................................................... 1206
        Abdesselam KLOUCHE-DJEDID

 . Factored State Space Derivation of Low Sensitivity Digital Filter
   Structures ..................................................... 1212
        Abdesselam KLOUCHE-DJEDID

[Nonlinear Circuits and Systems]

 . Kth Largest Element Selection Circuit for Order Statistics Signal
   Processing ..................................................... 1217
        Kiichi URAHAMA

 . ABSTRACTS (IEICE Trans., Vol.J77-A, No.7 in Japanese) .......... 1219