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本文提出了一种在直接序列扩频通信系统中抑制多个强窄带干扰的数字陷波器的实现方法,详细叙述了以AD6620为核心的数字中频处理模块和以TMS320C6701为核心的基带窄带干扰抑制模块,并给出了详细的硬件解决方案及算法实现流程。
In this paper, we propose a digital notch filter to suppress multiple strong-narrow-band interference in direct sequence spread-spectrum communication system. The digital IF processing module with AD6620 as the core and baseband narrow-band interference suppression with TMS320C6701 as the core are described in detail. Module, and gives a detailed hardware solutions and algorithms to achieve the process.