Robust time-frequency distributions based on the robust short time Fourier transform

被引：0
|
作者：
Djurovic, I [1 ]
Stankovic, L
Barkat, B
机构：
[1] Univ Montenegro, Elektrotehnicki Fak Podgorica, Podgorica, Serbia Monteneg
[2] Nanyang Technol Univ, Sch EEE, Singapore 639798, Singapore
来源：
ANNALS OF TELECOMMUNICATIONS | 2005年 / 60卷 / 5-6期
关键词：
signal theory; frequency time representation; impulsive noise; Fourier transformation; system robustness; statistical analysis;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Design of time-frequency distributions (TFDs) that are robust to the impulse noise influence is considered. The robust TFDs based on the robust short-time Fourier transform (STFT) are proposed. An efficient procedure to evaluate the robust STFT is given. Robust TFDs based on the robust STFT have better energy concentration around the signal instantaneous frequency (IF) than the robust STFT itself. Also, these TFDs are more resistant to higher impulse noise than the robust TFDs obtained using the local autocorrelation function (LAF) based minimization problem.
引用
收藏
页码：681 / 697
页数：17
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