Exact analysis of class DE amplifier with FM and PWM control
Hiroo Sekiya, Shinsaku Mori, and Iwao Sasase
IEICE Trans. on Coomunications, vol.E86-B, no.10, pp.3082-3093, Oct. 2003.
[Abstract | pdf]

Design of generalized class E^2 dc/dc converter
Hiroo Sekiya, Jianming Lu, and Takashi Yahagi
International Journal of Circuit Theory and Applications, vol.31, no.3, pp.229-248, Aug. 2003.
[Abstract | pdf]

メジアンフィルタとニューラルフィルタによるインパルス雑音を含む劣化画像の雑音除去
山下 哲孝, 呂 建明, 関屋 大雄, 谷萩 隆嗣
電気学会論文誌C, vol.123, no.6, pp.1072-1079, June 2003.
[Abstract | pdf]

A new algorithm for speeding up overcomplete blind source separation
Xiaowei Zhang, Jianming Lu, Nuo Zhang, Hiroo Sekiya and Takashi Yahagi
2003 International Symposium on Intelligent Signal Processing and Communication System (ISPACS2003), pp.255-258, Dec. 2003.
[Abstract | pdf]

Pipelined successive interference cancellation with parallel processing for a DS/CDMA system
Toshimichi Yokote, Hiroo Sekiya, Jianming Lu, and Takashi Yahagi
5th Asia-Pacific Symposium on Information and Telecommunication Technologies(APSITT2003), pp.125-130, Nov. 2003.
[Abstract | pdf]

Class E inverter using thinned-out method
Muzafar Bin Mohd Yusoff, Hiroo Sekiya, Jianming Lu, and Takashi Yahagi
International Telecommunications Energy Conference (INTELEC2003), pp.451-459, Oct. 2003.
[Abstract | pdf]

Phase control for resonant dc/dc converter with class DE inverter and class E rectifier
Hiroo Sekiya, Shuichi Nemoto, Shuichi Nemoto, Jianming Lu, and Takashi Yahagi
The 20th European Conference on Circuit Theory and Design (ECCTD2003), no.II, pp.121-124, Sept. 2003.
[Abstract | pdf]

Spectral subtraction based on speech/noise-dominant classification
Yukihiro Nomura, Jianming Lu, Hiroo Sekiya, and Takashi Yahagi
2003 International Workshop on Acoustic Echo and Noise Control (IWAENC2003), pp.127-130, Sept. 2003.
[Abstract | pdf]

Design and analysis of class DE amplifier with any output Q, any duty ratio and switch on resistance
Hiroo Sekiya, Satoki Oshikawa, Jianming Lu, and Takashi Yahagi
2003 IEEE International Symposium on Circuits and Systems (ISCAS2003), pp.III-280-283, May 2003.
[Abstract | pdf]

New partition-based filters for suppressing mixed high probability impulse and Gaussian noises in images
Noritaka Yamashita, Hiroo Sekiya, Jianming LU, and Takashi Yahagi
2003 IEEE International Symposium on Circuits and Systems (ISCAS2003), pp.II-408-411, May 2003.
[Abstract | pdf]

DE-E級dc/dcコンバータの位相制御
根本 周市, 関屋 大雄, 呂 建明, 谷萩 隆嗣
電子情報通信学会非線形問題研究会, vol.NLP2003-11, pp.1-6, June 2003.
[Abstract | pdf]

DS/CDMAにおける並列処理を用いたパイプライン型逐次干渉キャンセラ
横手 俊倫, 関屋 大雄, 呂 建明, 谷萩 隆嗣
電子情報通信学会ワイドバンドシステム研究会, vol.103, no.138, pp.13-16, June 2003.
[Abstract | pdf]

Design of class DE amplifier with any output Q, any duty ratio and switch on resistance
Satoki Oshikawa, Hiroo Sekiya, Jianming Lu, and Takashi Yahag
16th Workshop of Circuits and Systems at Karuizawa, pp.351-356, Apr. 2003.
[Abstract | pdf]

分割型フィルタを用いたガウス性雑音と高発生確率のインパルス雑音の混合雑音除去手法
山下 哲孝, 呂 建明, 関屋 大雄, 谷萩 隆嗣
第16回　回路とシステム軽井沢ワークショップ, Apr. 2003.
[Abstract | pdf]

共振回路の Q 値およびスイッチの時比率とオン抵抗を考慮した DE-E級 dc/dc コンバータの設計
関屋 大雄, 呂 建明, 谷萩 隆嗣
電子情報通信学会非線形問題研究会, pp.7-12, Feb. 2003.
[Abstract | pdf]