高性能的数字信号处理器在雷达系统中的应用

A kind of high performance ADSP chip and application in radar system

论述了最新数字信号处理器TigerAHRAC系列芯片ADSP-TSXXX,介绍其性能及自带FFT程序算法优化。用实例介绍在其工程中的应用,即实现雷达脉冲压缩的方法。用ADSP-TSXXX浮点数字处理器实现高性能、高精度的数字压缩。用可编程逻辑器件CPLD完成数字处理器与外围接口,给出了相应的硬件框图、接口电路图。实践表明,该方法具有快速稳定,结构简单,性能价格比较高等特点。

This paper introduces the newest DSP Tiger AHRAC series chip ADSP-TSXXX,its features and FFT optimam algorithm init. It presents a practical example of the implementation of radar pulse compression with ADSP-TSXXX float point DSP. The interface between DSP and peripheral equipments adopts CPLD,and its interface circuit diagram and hardware circuit sketch are given. The experiments show the method has fast speed, high stability, simple construction and high ratio between performance and price.