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5 results on '"yuanqing li"'

1. A robust adaptive beamformer based on worst-case semi-definite programming

Author

Zhu Liang Yu, Zhenghui Gu, Jianjiang Zhou, Yuanqing Li, Ser, W., and Er, M.H.

Subjects
Mathematical optimization -- Usage, Antenna arrays -- Innovations, Signal processing -- Technology application, Robust statistics -- Analysis, Digital signal processor, Technology application, Business, Computers, Electronics, Electronics and electrical industries
Published
2010

3. Robust adaptive beamformers based on worst-case optimization and constraints on magnitude response

Author

Zhu Liang Yu, Wee Ser, Meng Hwa Er, Zhenghui Gu, and Yuanqing Li

Subjects
Beamforming -- Analysis, Linear programming -- Analysis, Signal processing -- Analysis, Mobile communication systems -- Evaluation, Wireless communication systems -- Evaluation, Digital signal processor, Wireless technology, Business, Computers, Electronics, Electronics and electrical industries
Published
2009

4. Underdetermined blind source separation based on sparse representation

Author

Yuanqing Li, Amari, Shun-Ichi, Cichocki, Andrzej, Daniel, W. C. Ho, and Shengli Xie

Subjects
Wavelet analysis -- Methods, Probabilities -- Usage, Signal processing -- Methods, Digital signal processor, Business, Computers, Electronics, Electronics and electrical industries
Abstract

The underdetermined blind source separation (BSS) using a two-stage sparse representation approach is discussed. It is seen that several probability inequalities and probability estimates for the recoverability issue are established based on the condition and various types of source sparsity.

Published
2006

5. A theoretical formulation for the distribution density of multipath delay spread in a land mobile radio environment

Author

Yuanqing, Li

Subjects
Mobile communication systems -- Research, Radio transmitters -- Research, Wave propagation -- Analysis, Business, Electronics, Electronics and electrical industries, Transportation industry
Abstract

The random characteristics of multipath delay spread in a land mobile radio environment are analyzed. Its distribution density is theoretically derived. A comparison between the measured data and that predicted by the model shows good agreement.

Published
1994

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