ANALYSIS OF MULTICOMPONENT LFM SIGNALS BY A COMBINED WIGNER-HOUGH TRANSFORM

被引：313
|
作者：
BARBAROSSA, S
机构：
[1] University of Rome, INFOCOM Dept.
来源：
IEEE TRANSACTIONS ON SIGNAL PROCESSING | 1995年 / 43卷 / 06期
关键词：
I. INTRODUCTION Multidimensional multirate systems have recently attracted much attention [1]-[15] due to their wide applications in image and Manuscript received March 24; 1994; revised November 29; 1994. This work was supported in part by the Air Force Office of Scientific Research under Grants AFOSR-616-93-0019; AFOSR-PO-94-0004; AFOSR-616-94-0001; AFOSR-616-94-0025; AFOSR-PO-95-0004; and AFOSR-616-95-0022. The associate editor coordinating the review of this paper and approving it for publication was Dr. T. Nguyen;
D O I：
10.1109/78.388866
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The aim of this work is the performance evaluation of a method for the analysis of mono- or multicomponent Linear-Frequency Modulation (LFM) signals, based on the Hough Transform of the Wigner-Ville Distribution of the signals. A closed form expression is found for the Signal-to-Noise ratio and the parameter estimation accuracy. The overall method, as any nonlinear method, exhibits a threshold effect. Nevertheless, it is shown to be asymptotically efficient and offers a good rejection capability of the cross terms.
引用
收藏
页码：1511 / 1515
页数：5
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