一种全数字化正交接收机的实现方法

The Implementation of A Full Digital Quadrature Receiver

分析了一种基于软件无线电技术的引信数字正交系统的工作原理 ,研究了采样率的优化选择问题 ,并且给出了系统的实现方法。该系统能够克服传统正交接收机存在的一些不足 ,对于提高导引头或引信接收机的整机性能有很大的作用。

This paper analyzes a principle of digital I-Q receiver system based on software radio techniques and studies the optimize of samping rate choice. In additon, the realization of system is provided. The system can correct the function of the traditional I-Q receiver system. And it will help to improve the whole receiver system performance of the radar seeker or fuze.