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讨论了相关器与延迟匹配滤波器在直接序列扩频通信系统中实现PN码捕获的原理,并在此基础上分析比较了二者抗窄带、宽带噪声对同步检测干扰的能力,以及同步捕获的平均时间和系统在实际应用中具体实现的难易程度。
This paper discusses the principle of correlator and delay matched filter to realize PN code acquisition in direct sequence spread spectrum communication system. Based on this, the ability of the two to detect jamming of narrow band and wide band noise to synchronous detection is analyzed and compared. The average time and system in practical application of the specific ease of realization.