关键词: 雷达信号模拟器, 中频信号产生器, 直接数字频率合成

Abstract:

The radar signal simulator is a common tool for the detection of the performance index of the reconnaissance system,and the intermediate frequency signal generator module is the most important part.The ADSPBF533 and high performance FPGA hardware platform are adopted to produce a variety of radar signal waveforms by the technology of direct digital frequency synthesis for generating radar IF signals,which form a simulated radar signal via frequency conversion,amplification,and filtering.A medium frequency signal generating module consists of a communication control board and 3 intermediate frequency signal generating module boards,capable of simulating 12 radar IF signals at one time.

Key words: radar signal simulator;intermediate frequency signal generator;direct digital frequency synthesize