Time-Frequency Ridge-Based Parameter Estimation for Sinusoidal Frequency Modulation Signals

被引：0
作者：
Wang, Zhaofa [1 ,2 ]
Wang, Yong [1 ,2 ]
Xu, Liang [1 ,2 ]
机构：
[1] Harbin Inst Technol, Inst Elect Engn Technol, Harbin 150001, Heilongjiang, Peoples R China
[2] State Key Lab Millimeter Waves, Nanjing, Jiangsu, Peoples R China
来源：
COMMUNICATIONS, SIGNAL PROCESSING, AND SYSTEMS | 2019年 / 463卷
基金：
中国国家自然科学基金;
关键词：
Time-frequency; Ridge; SFM signal; Parameter estimation; TARGETS;
D O I：
10.1007/978-981-10-6571-2_165
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：
In this paper, the time-frequency (TF) ridge technique is employed to obtain the accurate parameters estimation of the sinusoidal frequency modulation (SFM) signals. By extracting the TF ridge, a high energy-concentrated time-frequency representation (TFR) of the given signal can be obtained. And then a TF ridge-based method for estimating parameters of the SFM signal is proposed. The advantages of this method over the S-method-based method are (1) it can be easily implemented, (2) it costs less computation and storage space, and (3) it has a high precision. Numerical results provided in this paper show the superiority of the novel method.
引用
收藏
页码：1375 / 1380
页数：6
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