2008 |
10 | EE | Koichi Ichige,
Yoshihisa Ishikawa,
Hiroyuki Arai:
High resolution 2-D DOA estimation using second-order partial-differential of MUSIC spectrum.
ISCAS 2008: 1152-1155 |
9 | EE | Koichi Ichige,
Kazuhiko Saito,
Hiroyuki Arai:
High Resolution DOA Estimation Using Unwrapped Phase Information of MUSIC-Based Noise Subspace.
IEICE Transactions 91-A(8): 1990-1999 (2008) |
2007 |
8 | EE | Kazuhiro Nakadai,
Ryota Sumiya,
Mikio Nakano,
Koichi Ichige,
Yasuo Hirose,
Hiroshi Tsujino:
The Design of Phoneme Grouping for Coarse Phoneme Recognition.
IEA/AIE 2007: 905-914 |
7 | EE | Koichi Ichige,
Yoshihisa Ishikawa,
Hiroyuki Arai:
High Resolution DOA Estimation Using Second-Order Differential of MUSIC Spectrum.
IEICE Transactions 90-A(3): 546-552 (2007) |
2006 |
6 | EE | Koichi Ichige,
Mitsuharu Imai,
Hiroyuki Arai,
Masayuki Nakano,
Masafumi Hirono:
Direction of Arrival Detection System for Radio Surveillance: Frequency Spectrum Analysis of CDMA and Jamming Waves.
VTC Spring 2006: 2957-2961 |
5 | EE | Yoshihisa Ishikawa,
Koichi Ichige,
Hiroyuki Arai:
Accurate Source Number Detection Using Pre-Estimated Signal Subspace.
IEICE Transactions 89-B(12): 3257-3265 (2006) |
4 | EE | Koichi Ichige,
Hideaki Munemasa,
Hiroyuki Arai:
An Efficient Signed-Power-of-Two Term Allocation for Filter Coefficients in Digital Communication System.
IEICE Transactions 89-B(12): 3266-3268 (2006) |
3 | EE | Nozomi Zama,
Koichi Ichige:
Filter Effect on Low-IF Multichannel Receiver: How a Simple Filter Improves Digital Communication Quality.
IEICE Transactions 89-B(12): 3471-3474 (2006) |
2005 |
2 | EE | Minseok Kim,
Aiko Kiyono,
Koichi Ichige,
Hiroyuki Arai:
Experimental Study of Jitter Effect on Digital Downconversion Receiver with Undersampling Scheme.
IEICE Transactions 88-D(7): 1430-1436 (2005) |
1998 |
1 | EE | Koichi Ichige,
Masaru Kamada:
A simple discrete version of B-splines.
Int. J. Systems Science 29(3): 335-340 (1998) |