摘要
本文着重介绍了一种在噪声中积累和检测非均匀脉冲序列的数字实现方法。分析经相邻采样单元比大并积累后输出随机变量的概率分布、均值和方差,进而讨论了此积累检测器的信噪比(SNR)改善和检测性能。最后,提出了实现这种积累、检测法应注意的一些实际问题和解决办法。
A digital accumulating and detecting method used for an un-uniform pulse sequence in noise is described. The probability distribution and the mean and variance of the output random variable after maximizing the adjacent sample units and accumulating various maximums are analyzed. Furthermore, the SNR improvement and detection performance of the accumulation-detector are discussed. Finally, some problems that deserve to be noted in implementing this method and their solutions are presented.
出处
《西安电子科技大学学报》
EI
CAS
CSCD
北大核心
1991年第1期46-55,共10页
Journal of Xidian University
关键词
噪声
积累检测
脉冲序列
检测器
un—uniform
pulse sequence
maximum
accumulation
detection