ROBUST DIRECTION-OF-ARRIVAL ESTIMATION FOR FM SOURCES IN THE PRESENCE OF IMPULSIVE NOISE

被引：4
|
作者：
Sharif, Waqas [1 ]
Heidenreich, Philipp [1 ]
Zoubir, Abdelhak M. [1 ]
机构：
[1] Tech Univ Darmstadt, Signal Proc Grp, D-64283 Darmstadt, Germany
来源：
2010 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING | 2010年
关键词：
Time-frequency analysis; direction of arrival estimation; robustness;
D O I：
10.1109/ICASSP.2010.5495886
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Time-frequency methods can utilize the non-stationarity of signals to enhance the resolution capability and accuracy in direction-of-arrival estimation. In this paper, we consider the problem of non-stationary sources impinging on an array of sensors in an impulsive noise environment. We apply a robust time-frequency method in combination with morphological image processing to estimate the instantaneous frequency of the sources. Then, for the extracted time-frequency points, we employ robust methods to calculate the averaged spatial time-frequency matrix, which is then used for direction-of-arrival estimation.
引用
收藏
页码：3662 / 3665
页数：4
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