Research Output

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Conference article
1979

DECOUPLED ANTENNA SYSTEM WITH A LOSSLESS NETWORK.

Iwasaki, H., Mikuni, Y. & Nagai, K., 1979 Jan 1, In : IEEE Antennas and Propagation Society, AP-S International Symposium (Digest). 2, p. 710-713 4 p.

Research output: Contribution to journalConference article

1985

CODE OPTIMIZATION OF DIGITAL NETWORKS FOR SIGNAL PROCESSORS.

Sakamoto, H., Watanabe, E. & Nishihara, A., 1985 Dec 1, In : Proceedings - IEEE International Symposium on Circuits and Systems. p. 1403-1406 4 p.

Research output: Contribution to journalConference article

1 Citation (Scopus)

DESIGN OF WAVE DIGITAL FILTERS WITH SIMPLIFIED STRUCTURES.

Watanabe, E. & Nishihara, A., 1985 Dec 1, In : Proceedings - IEEE International Symposium on Circuits and Systems. p. 515-518 4 p.

Research output: Contribution to journalConference article

1986
3 Citations (Scopus)
1990

4.8 kbit/s delayed decision CELP coder using tree coding

Mano, K. & Moriya, T., 1990 Dec 1, In : ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. 1, p. 21-24 4 p.

Research output: Contribution to journalConference article

16 Citations (Scopus)

A circularly polarized microstrip antenna using a crossed-slot feed

Iwasaki, H., Kawabata, K. & Yasukawa, K., 1990 Dec 1, In : IEEE Antennas and Propagation Society, AP-S International Symposium (Digest). 2, p. 807-810 4 p.

Research output: Contribution to journalConference article

3 Citations (Scopus)
1994

A pitch synchronous innovation celp (PSI-CELP) coder for 2-4 kbit/s

Miki, S., Mano, K., Moriya, T., Oguchi, K. & Ohmuro, H., 1994 Jan 1, In : ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. 2, p. II113-II116 389705.

Research output: Contribution to journalConference article

6 Citations (Scopus)

System architecture and interface for an apartment management system

Higuma, T., Inoue, M., Nanjo, K., Suzuki, S. & Kobayashi, T., 1994 Jan 1, In : Digest of Technical Papers - IEEE International Conference on Consumer Electronics. p. 108-109 2 p.

Research output: Contribution to journalConference article

1995
2 Citations (Scopus)
1996

Agent based graphical user interface architecture for consumer products

Kushiro, N., Komiya, N., Nakata, M. & Inoue, M., 1996 Jan 1, In : Digest of Technical Papers - IEEE International Conference on Consumer Electronics. p. 376-377 2 p.

Research output: Contribution to journalConference article

3 Citations (Scopus)

Dual-pulse CS-CELP: a toll-quality low-complexity speech coder at 7.8 kbit/s

Ohmuro, H., Ikedo, J., Moriya, T., Kataoka, A., Hayashi, S. & Mano, K., 1996 Jan 1, In : ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. 1, p. 558-561 4 p.

Research output: Contribution to journalConference article

3 Citations (Scopus)

Microstrip array antenna with omnidirectional pattern fed by CPW

Iwasaki, H., 1996 Jan 1, In : IEEE Antennas and Propagation Society, AP-S International Symposium (Digest). 3, p. 1912-1915 4 p.

Research output: Contribution to journalConference article

14 Citations (Scopus)
1997
2 Citations (Scopus)

Development of the large area silicon PIN diode with 2 mm-thick depletion layer for hard X-ray detector (HXD) on-board ASTRO-E

Sugizaki, M., Kubo, S., Murakami, T., Ota, N., Ozawa, H., Takahashi, T., Kaneda, H., Iyomoto, N., Kamae, T., Kokubun, M., Kubota, A., Makishima, K., Tamura, T., Tashiro, M., Koyama, K. & Tsunemi, H., 1997 Dec 1, In : Proceedings of SPIE - The International Society for Optical Engineering. 3115, p. 244-253 10 p.

Research output: Contribution to journalConference article

10 Citations (Scopus)

New 2-kbit/s speech coder based on normalized pitch waveform

Hiwasaki, Y. & Mano, K., 1997 Jan 1, In : ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. 2, p. 1583-1586 4 p.

Research output: Contribution to journalConference article

2 Citations (Scopus)

New model reference robust control for the systems with disturbances

Chen, X., Tsuruoka, S., Ishida, M. & Fukuda, T., 1997 Dec 1, In : Proceedings of the IEEE Conference on Decision and Control. 3, p. 2660-2665 6 p.

Research output: Contribution to journalConference article

3 Citations (Scopus)

Variable structure system theory based disturbance identification and its applications

Chen, X., Tsuruoka, S., Fukuda, T. & Hori, T., 1997 Jan 1, In : Proceedings of the American Control Conference. 3, p. 1514-1518 5 p.

Research output: Contribution to journalConference article

1 Citation (Scopus)
1998

Electronic system for the Astro-E Hard X-ray Detector

Takahashi, T., Nomachi, M., Fukazawa, Y., Tashiro, M., Ezawa, H., Hamaya, M., Horii, M., Isobe, N., Iyomoto, N., Kataoka, J., Kamae, T., Kawaguchi, G., Kubo, H., Kubo, S. & Kubota, A., 1998 Dec 1, In : Proceedings of SPIE - The International Society for Optical Engineering. 3445, p. 155-168 14 p.

Research output: Contribution to journalConference article

20 Citations (Scopus)
1999

Adaptive line enhancers on the basis of least-squares algorithm for a single sinusoid detection

Matsuura, K., Watanabe, E. & Nishihara, A., 1999 Jan 1, In : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E82-A, 8, p. 1536-1543 8 p.

Research output: Contribution to journalConference article

3 Citations (Scopus)

Thick and large area PIN diodes for hard X-ray astronomy

Ota, N., Murakami, T., Sugizaki, M., Kaneda, M., Tamura, T., Ozawa, H., Kamae, T., Makishima, K., Takahashi, T., Tashiro, M., Fukazawa, Y., Kataoka, J., Yamaoka, K., Kubo, S., Tanihata, C., Uchiyama, Y., Matsuzaki, K., Iyomoto, N., Kokubun, M., Nakazawa, T. & 13 others, Kubota, A., Mizuno, T., Matsumoto, Y., Isobe, N., Terada, Y., Sugiho, M., Onishi, T., Kubo, H., Ikeda, H., Nomachi, M., Ohsugi, T., Muramatsu, M. & Akahori, H., 1999 Oct 21, In : Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 436, 1-2, p. 291-296 6 p.

Research output: Contribution to journalConference article

14 Citations (Scopus)
2000

A new robust observer for the perspective system

Chen, X., Kano, H. & Fukuda, T., 2000 Dec 1, In : Proceedings of the IEEE Conference on Decision and Control. 5, p. 5163-5168 6 p.

Research output: Contribution to journalConference article

2001

Accretion disk spectra of the ultra-luminous compact X-ray sources in nearby spiral galaxies and the super-luminal jet sources

Ebisawa, K., Kubota, A., Mizuno, T. & Zycki, P., 2001 Sep 1, In : European Space Agency, (Special Publication) ESA SP. 459, p. 415-418 4 p.

Research output: Contribution to journalConference article

1 Citation (Scopus)

Controller failure time analysis for H control systems

Zhai, G., Chen, X., Takai, S. & Yasuda, K., 2001 Dec 1, In : Proceedings of the IEEE Conference on Decision and Control. 2, p. 1029-1030 2 p.

Research output: Contribution to journalConference article

17 Citations (Scopus)

Spatially dependent response of thick and large area p-i-n diode for ASTRO-E hard X-ray detector

Sugiho, M., Kamae, T., Makishima, K., Takahashi, T., Murakami, T., Tashiro, M., Fukazawa, Y., Iyomoto, N., Ozawa, H., Kubota, A., Nakazawa, K., Yamaoka, K., Kokubun, M., Ota, N., Tanihata, C., Isobe, N., Terada, Y., Matsumoto, Y., Uchiyama, Y., Yonetoku, D. & 4 others, Takahashi, I., Kotoku, J., Watanabe, S. & Ezoe, Y., 2001 Jun 1, In : IEEE Transactions on Nuclear Science. 48, 3 I, p. 426-429 4 p.

Research output: Contribution to journalConference article

16 Citations (Scopus)
2002

Robust speech coding under packet-loss conditions using recovery sub-codec for broad-band IP network

Morinaga, T., Sasaki, S., Mano, K. & Kaneko, T., 2002, In : ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings. 3, p. III/2713-III/2716

Research output: Contribution to journalConference article

13 Citations (Scopus)

Stability and L2 gain analysis for a class of switched symmetric systems

Zhai, G., Chen, X., Ikeda, M. & Yasuda, K., 2002 Dec 1, In : Proceedings of the IEEE Conference on Decision and Control. 4, p. 4395-4400 6 p.

Research output: Contribution to journalConference article

26 Citations (Scopus)
2003

A small size circularly polarized annular microstrip antenna

Tamakuma, K. & Iwasaki, H., 2003 Sep 1, In : IEEE Antennas and Propagation Society, AP-S International Symposium (Digest). 2, p. 716-719 4 p.

Research output: Contribution to journalConference article

6 Citations (Scopus)

Stability and ℒ2 Gain Analysis for Switched Symmetric Systems with Time Delay

Zhai, G., Sun, Y., Chen, X. & Michel, A. N., 2003 Nov 6, In : Proceedings of the American Control Conference. 3, p. 2682-2687 6 p.

Research output: Contribution to journalConference article

71 Citations (Scopus)

2 gain analysis for switched symmetric systems with time delay under arbitrary switching

Zhai, G., Chen, X., Sun, Y. & Michel, A. N., 2003 Jul 14, In : Proceedings - IEEE International Symposium on Circuits and Systems. 3, p. III220-III223

Research output: Contribution to journalConference article

1 Citation (Scopus)
2004

Dual and wide band internal planar antenna for wireless LAN

Iwasaki, H., Tokairin, N. & Tamakuma, K., 2004 Sep 28, In : IEEE Antennas and Propagation Society, AP-S International Symposium (Digest). 4, p. 4276-4279 4 p.

Research output: Contribution to journalConference article

1 Citation (Scopus)

Identifiability of motion parameters under perspective stereo vision

Kano, H., Fujioka, H. & Chen, X., 2004 Jan 1, In : Proceedings of the IEEE Conference on Decision and Control. 4, p. 3605-3610 6 p., ThB12.3.

Research output: Contribution to journalConference article

2 Citations (Scopus)

Investigation of basic characteristics of synthetic diamond radiation detectors

Kashiwagi, T., Hibino, K., Kitamura, H., Okuno, S., Takashima, T., Uchihori, Y., Yajima, K., Yokota, M. & Yoshida, K., 2004, In : IEEE Nuclear Science Symposium Conference Record. 2, p. 734-738 5 p.

Research output: Contribution to journalConference article

Motion recovery of moving objects under perspective stereo vision

Kano, H., Fujioka, H., Chen, X. & Sato, T., 2004 Dec 1, In : Proceedings of the IASTED International Conference on Modelling, Identification and Control. 23, p. 103-108 6 p., 412-224.

Research output: Contribution to journalConference article

Robust adaptive control of a class of nonlinear systems with Prandtl-Ishlinskii hysteresis

Wang, Q., Su, C. Y. & Chen, X., 2004 Dec 1, In : Proceedings of the IEEE Conference on Decision and Control. 1, p. 213-218 6 p.

Research output: Contribution to journalConference article

12 Citations (Scopus)

Robust sliding mode control for flexible arms

Chen, X., Zhai, G. & Kano, H., 2004 Dec 1, In : Proceedings of the IASTED International Conference on Modelling, Identification and Control. 23, p. 50-55 6 p., 412-227.

Research output: Contribution to journalConference article

1 Citation (Scopus)

Stability and £ 2 gain analysis for discrete - Time LTI systems with controller failures

Zhai, G., Chen, X. & Lin, H., 2004 Jan 1, In : IFAC Proceedings Volumes (IFAC-PapersOnline). 37, 11, p. 545-550 6 p.

Research output: Contribution to journalConference article

1 Citation (Scopus)

Time-frequency analysis for pulse driven ultrasonic microscopy for biological tissue characterization

Hozumi, N., Yamashita, R., Lee, C. K., Nagao, M., Kobayashi, K., Saijo, Y., Tanaka, M., Tanaka, N. & Ohtsuki, S., 2004 Apr 1, In : Ultrasonics. 42, 1-9, p. 717-722 6 p.

Research output: Contribution to journalConference article

79 Citations (Scopus)
2005

Numerical analysis of pulsed I-V curves and current collapse in GaN FETs as affected by buffer trapping

Nakano, H., Takayanagi, H., Yonemoto, K. & Horio, K., 2005 Dec 1, In : Technical Digest - IEEE Compound Semiconductor Integrated Circuit Symposium, CSIC. p. 141-144 4 p., H.2.

Research output: Contribution to journalConference article

On the control of nonlinear systems with unknown Prandtl-Ishlinskii hysteresis

Su, C. Y., Wang, Q., Chen, X. & Rakheja, S., 2005 Sep 2, In : Proceedings of the American Control Conference. 5, p. 3013-3018 6 p.

Research output: Contribution to journalConference article

1 Citation (Scopus)

Synchronization of large scale oscillator networks

Chen, X., 2005 Nov 30, In : Proceedings of the IASTED International Conference on Modelling, Identification, and Control, MIC. p. 384-387 4 p., 457-197.

Research output: Contribution to journalConference article

Unidirectional ad hoc routing with efficient route reconstruction using relay control of route requests

Morino, H., Miyoshi, T. & Ogawa, M., 2005 Oct 17, In : IEEE Vehicular Technology Conference. 61, 4, p. 2504-2508 5 p.

Research output: Contribution to journalConference article

2 Citations (Scopus)
2006

Analysis of buffer-trapping effects on current collapse of GaN FETs

Horio, K., Takayanagi, H. & Nakano, H., 2006 Jul 31, In : Physica Status Solidi (C) Current Topics in Solid State Physics. 3, p. 2346-2349 4 p.

Research output: Contribution to journalConference article

2 Citations (Scopus)

Suzaku broadband observations of galactic black hole binaries: Low/hard state spectra of GRO J1655-40

Takahashi, H., Fukazawa, Y., Mizuno, T., Hirasawa, A., Kitamoto, S., Sudoh, K., Ogita, T., Kubota, A., Makishima, K., Kokubun, M., Itoh, T., Parmar, A. N., Dotani, T., Ebisawa, K., Naik, S., Takahashi, T., Ohnuki, K., Yaqoob, T., Angelini, L., Ueda, Y. & 6 others, Yamaoka, K., Kotani, T., Kawai, N., Namiki, M., Kohmura, T. & Negoro, H., 2006 Jul 1, In : European Space Agency, (Special Publication) ESA SP. 622 SP, p. 325-332 8 p.

Research output: Contribution to journalConference article

The 2005 october multiwavelength campaign of GRS 1915+105

Ueda, Y., Ishioka, R., Sekiguchi, K., Ribo, M., Rodriguez, J., Chaty, S., Greiner, J., Sala, G., Fuchs, Y., Goldoni, P., Covino, S., Pooley, G. G., Edwards, P., Tzioumis, A., Lehto, H., Gerard, E., Colom, P., Martin, J., Trushkin, S. A., Castro-Tirado, A. J. & 24 others, Hannikainen, D., Sudo, H., Honma, M., Iwamuro, F., Kubuta, K., Yamaoka, K., Done, C., Naik, S., Fukazawa, Y., Angelini, L., Awaki, H., Ebisawa, K., Iwasawa, K., Kawai, N., Kinugasa, K., Kokubun, M., Kotani, T., Kubota, A., Murakami, T., Namiki, M., Takahashi, H., Yaqoob, T., Yonetoku, D. & Yoshida, A., 2006 Dec 1, In : International Conference Recent Advances in Natural Language Processing, RANLP.

Research output: Contribution to journalConference article

2007

Analysis of buffer-related lag phenomena and current collapse in GaN FETs

Itagaki, K., Kobayashi, N. & Horio, K., 2007 Dec 1, In : Physica Status Solidi (C) Current Topics in Solid State Physics. 4, 7, p. 2666-2669 4 p.

Research output: Contribution to journalConference article

8 Citations (Scopus)

LHCf: A LHC detector for astroparticle physics

D'Alessandro, R., Adriani, O., Bonechi, L., Bongi, M., Papini, P., Castellini, G., Faus, A., Velasco, J., Haguenauer, M., Itow, Y., Mase, T., Masuda, K., Matsubara, Y., Matsumoto, H., Menjo, H., Muraki, Y., Sako, T., Watanabe, Y., Kasahara, K., Tamura, T. & 4 others, Yoshida, K., Torii, S., Tricomi, A. & Turner, W. C., 2007 Mar, In : Acta Physica Polonica B. 38, 3 PART 2, p. 829-838 10 p.

Research output: Contribution to journalConference article

4 Citations (Scopus)
2008

Analysis of buffer-trapping effects on gate lag, drain lag and current collapse in AlGaN/GaN HEMTs

Horio, K. & Nakajima, A., 2008 Dec 1, In : Physica Status Solidi (C) Current Topics in Solid State Physics. 5, 6, p. 1898-1901 4 p.

Research output: Contribution to journalConference article

5 Citations (Scopus)

Reduction of buffer-related current collapse in GaN FETs under favour of a field plate

Itagaki, K., Nakajima, A. & Horio, K., 2008 Dec 1, In : Physica Status Solidi (C) Current Topics in Solid State Physics. 5, 9, p. 2976-2978 3 p.

Research output: Contribution to journalConference article

1 Citation (Scopus)