A STUDY OF AM AND FM SIGNAL RECEPTION OF TIME MODULATED LINEAR ANTENNA ARRAYS

被引：14
|
作者：
Li, G. [1 ]
Yang, S. [1 ]
Zhao, Z. [1 ]
Nie, Z. [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Engn, Dept Microwave Engn, Chengdu 610054, Sichuan, Peoples R China
来源：
PROGRESS IN ELECTROMAGNETICS RESEARCH LETTERS | 2009年 / 7卷
关键词：
D O I：
10.2528/PIERL09030801
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 amplitude modulation (AM) and frequency modulation (FM) signal transmission of time modulated linear arrays (TMLA) is studied in this paper. The signal with a certain bandwidth received by a TMLA is time modulated by RF switches, generating many side-band signals at multiples of the time modulation frequency and each of them has the same bandwidth as the original signal. The AM and FM signals received by the TMLA were analyzed, and the requirements of the time modulation frequency for the recovery of the original signal is presented. Simulation results show that the time modulation frequency of the TMLA should be equal to or greater than the bandwidth of the original signal and a band-pass filter (BPF) has to be used to recover the original signal.
引用
收藏
页码：171 / 181
页数：11
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