摘要
本文中，首先分析了已有宽带模糊函数体积定义的不足之处，在此基础上给出了改进体积的定义其次在宽带信号分辨率的研究中采用了时间一尺度和频率．尺度变换[1]的概念并证明了宽带信号的距离和速度分辨率分别取决于信号的频谱结构和尺度谱结构最后用本文方法分析了几类信号的分辨率这为宽带信号处理提供了一个有力的理论分析工具。
By the analysis of the shortcomings of the previous volume definitions of the wideband ambiguity function(WM), a nedified WAF's volume definition is first proposed. Secondly, in the wideband signal's resolution analysis the timescale transform, freguency-seale transform and scale spectrum[1] are uesd and it is proved that the WBS's range and velocity resolutions are determined by the WBS's frequency spectrum and scale spectrum respectively. Fanally, sevaral kinds of signals are analysised by the method proposed in this paper, this provides an efficient analysing tool for the wideband signal processing.
出处
《电子学报》
EI
CAS
CSCD
北大核心
1998年第9期25-28,共4页
Acta Electronica Sinica
基金
国家雷达信号处理重点实验室基金
关键词
宽带模糊函数
距离
速度分辨率常数
信号处理
Wideband ambiguity function,Range and velocity resolution contants, Time-scale transform, Frequency-scale transform and scale spectrum
