Noise analysis of digitised FMCW radar waveforms

被引：9
|
作者：
Abousetta, MM
Cooper, DC
机构：
[1] Univ Al Tahadi, Fac Elect Engn, Bani Walid, Libya
[2] Univ Birmingham, Fac Engn, Sch Elect & Elect Engn, Birmingham B15 2TT, W Midlands, England
来源：
IEE PROCEEDINGS-RADAR SONAR AND NAVIGATION | 1998年 / 145卷 / 04期
关键词：
noise analysis; staircase phase approximation; FMCW radar waveforms;
D O I：
10.1049/ip-rsn:19981310
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A staircase phase approximation for generating a linear frequency-modulated continuous wave radar signal is considered and the use of filtering on the samples of the signal has been assumed in both transmission and reception. It is shown that an excellent spectrum of the radar signal can be obtained, provided that the appropriate value of the sample duration is used. The effect of noise due to the discrete representation of the signal is analysed for both transmitted and received signal. It is shown that the level of the noise may be kept below the noise level of a high-quality oscillator even in the absence of any filter smoothing.
引用
收藏
页码：209 / 215
页数：7
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