Papers - Hagiwara, Masafumi

Direct-Sequence Spread-Spectrum demodulator using Block Signal Processing

Akihiro Kajiwara, Masao Nakagawa, and Masafumi Hagiwara

Trans. IEICE Japan 74-E ( 5 )  1991.05

Research paper (scientific journal), Accepted

TESAM: A neural network for temporal sequences associative memory

Masafumi Hagiwara

1990 International Symposium on Information Theory and Its Applications    42 - 3 1990.11

Research paper (international conference proceedings), Single Work, Accepted

Classification of α wave using neural networks for investigating the transition of vigilance level

Satoru Nakamura, Masafumi Hagiwara, A.Kishi, Masao Nakagawa

1990 International Symposium on Information Theory and Its Applications    48 - 1 1990.11

Research paper (international conference proceedings), Joint Work, Accepted

TDNN with self feedback loops

Kouichi Sonoda, Masafumi Hagiwara, A.Kishi, Masao Nakagawa

1990 International Symposium on Information Theory and Its Applications    46 - 2 1990.11

Research paper (international conference proceedings), Joint Work, Accepted

Block demodulation for Trellis coded modulation

Yutaka Miyake, Masafumi Hagiwara and Masao Nakagawa

Trans. IEICE Japan 73-E ( 10 )  1990.10

Research paper (scientific journal), Accepted

自動等化器を有する蓄積一括復調方式

松井実，萩原将文，中川正雄

電子情報通信学会論文誌(Ｂ) J73-B ( 6 )  1990.06

Research paper (scientific journal), Accepted

Novel Back Propagation algorithm for reduction of hidden units and acceleration of convergence using artificial selection

Masafumi Hagiwara

International Joint Conference on Neural Networks    625 - 630 1990.06

Research paper (international conference proceedings), Single Work, Accepted

Phase synchronizer for fading channels with the modified method of least squares

Hiroyasu Sano, Masafumi Hagiwara, Masao Nakagawa

1990 IEEE International Conference on Acoustics, Speech and Signal Processing    1659 - 1662 1990.04

Research paper (international conference proceedings), Joint Work, Accepted

Accelerated back propagation using unlearning based on Hebb rule

Masafumi Hagiwara

International Joint Conference on Neural Networks    617 - 620 1990.01

Research paper (international conference proceedings), Joint Work, Accepted

Multidirectional associative memory

Masafumi Hagiwara

International Joint Conference on Neural Networks    3 - 6 1990.01

Research paper (international conference proceedings), Single Work, Accepted

DSP type novel phase synchronizer with the method of least squares

Masafumi Hagiwara and Masao Nakagawa

IEEE Transactions on Consumer Electronics vol-35 ( 4 )  1989.11

Research paper (scientific journal), Accepted

Nonuniform sampling DSP type new phase synchronizer with the method of least squares

Masafumi Hagiwara, Masao Nakagawa

1989 International Symposium on Computer Architecture and Digital Signal Processing    145 - 149 1989.10

Research paper (international conference proceedings), Joint Work, Accepted

演算量を大幅に低減した蓄積一括復調方式のためのタイミング抽出法

三宅優，萩原将文，中川正雄

電子情報通信学会論文誌(Ｂ) J72-B ( 9 )  1989.09

Research paper (scientific journal), Accepted

適応予測器を有する可変ビットレートModulo-PCM方式

水井潔，萩原将文，中川正雄

電子情報通信学会論文誌(Ａ) J72-A ( 8 )  1989.08

Research paper (scientific journal), Accepted

Supervised learning with artificial selection

Masafumi Hagiwara, Masao Nakagawa

International Joint Conference on Neural Networks    611 1989.06

Research paper (international conference proceedings), Joint Work, Accepted

New block demodulator with an automatic equalizer

Minoru Matsui, Masafumi Hagiwara, Masao Nakagawa

Proc. ISCAS 89    1827 - 1830 1989.05

Research paper (international conference proceedings), Joint Work, Accepted

A new timing extraction method and data interpolation for block demodulation

Yutaka Miyake, Masafumi Hagiwara, Masao Nakagawa

1989 IEEE International Conference on Acoustics, Speech and Signal Processing    1223 - 1226 1989.05

Research paper (international conference proceedings), Joint Work, Accepted

Variable bit rate Modulo-PCM with multi-quantizer

Kiyoshi Mizui, Masafumi Hagiwara, Masao Nakagawa

1988 IEEE Global Telecommunications    576 - 580 1988.12

Research paper (international conference proceedings), Joint Work, Accepted

DSP type Phase synchronizer with the method of least squares for Doppler rate tracking

Masafumi Hagiwara, Masao Nakagawa

1988 IEEE International Conference on Communication Systems    369 - 373 1988.11

Research paper (international conference proceedings), Joint Work, Accepted

マルチサンプリング型ディジタル・タンロックループの特性とその拡張

萩原将文，中川正雄

電子情報通信学会論文誌(Ｂ) J71-B ( 8 )  1988.08

Research paper (scientific journal), Accepted