Instantaneous frequency estimation based on the linear canonical transform

被引：27
|
作者：
Xu, Xiao-Na [1 ]
Li, Bing-Zhao [1 ]
Ma, Xiu-Ling [1 ]
机构：
[1] Beijing Inst Technol, Sch Math, Beijing 100081, Peoples R China
来源：
JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS | 2012年 / 349卷 / 10期
基金：
中国国家自然科学基金; 北京市自然科学基金;
关键词：
BAND-LIMITED SIGNALS; NONUNIFORM SAMPLES; CONVOLUTION;
D O I：
10.1016/j.jfranklin.2012.09.014
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The relationship between the linear canonical transform power spectrum and signal's phase differentiation operation has been investigated. Based on this relationship, a novel method for solving the instantaneous frequency estimation problem is proposed. The advantage of this method is demonstrated by two examples, namely, signals with and without noise. The proposed method is non-iterative, and it does not need projection or peak-searching. (c) 2012 The Franklin Institute. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：3185 / 3193
页数：9
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