In direct sequence spread spectrum communication system, enemy is assumed to detect whole PN sequence chip by chip and a modulated retransmitted interference is created.
在直接序列扩频通信系统中，假设敌方能够逐个比特地检测到整个PN序列，并产生一个调制的转发干扰。
2
Adaptive filtering algorithms can be used on time domain to rejection Narrow-band interference (NBI) of man-made of enemy in DSSS.