At first, analog receiver is contrasted to digital receiver, and the feasibility and necessity of IF technology in radar signal processing are illuminated.
首先对模拟接收机和数字中频接收机进行了对比，得出采用数字中频处理雷达信号的可行性和必要性。
Thepurpose of this paper is that taking use of modern digital technical applyat correlative processing in the IF signal of spread-spectrum system.
本课题研究的主要目的就是利用现代数字技术对扩频通信系统中的中频接收信号进行相关处理。
Software Radio has become the focus of research in Communications. Digital IF, one of its key technologies, is typical application of multi-rate signal processing theory.
软件无线电是目前通信领域研究的热点，其关键技术之一数字中频技术是多速率信号处理理论的典型应用。
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