信号检测和估计，在有噪声的通信和控制系统中接收端对收到的受干扰的信号用统计推断理论来判断信号的存在和估计信号的参数。
... signal converter,信号转换器 signal detection and estimation,信号检测和估计 signal duration,信号持续时间 ...
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传统的信号检测和估计方法一般是建立在背景噪声是白噪声这一假设基础之上。
Traditional methods of signal detection and estimation were based on the assumption that the background noise is white.
文章首先介绍了高阶统计量的定义和性质，特别指出了高阶统计量对高斯过程不敏感，这是我们利用它进行信号检测和估计的理论依据。
First, the definition and properties of HOS are introduced. We especially notice that HOS is insensitive to Gaussian process. This is the theoretical basis of signal detection and estimation.
直扩通信对抗包括直扩信号的盲检测、参数估计和扩频码序列恢复等内容。
The blind detection, parameters estimation and recovery of spreading sequences are the main contents of DS communication counter.
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