基于AD9854的某型机载声呐信号仿真系统硬件设计

摘要

This paper describes the design method for airborne sonar signal simulation system, the system uses a frequency synthesizer be achieved using digital technology (ie DDS technology) AD9854 chip, and use the F-Series C8051 MCU control, the system has The output signal waveform types, high precision, programmable features. This paper analyzes the signal generator System architecture, hardware and software design and implementation circuits.%文章介绍了一种机载声呐信号仿真系统的设计方法，该系统采用了利用数字方式实现频率合成技术（即DDS技术）的AD9854芯片，并利用C8051的F系列单片机进行控制，该系统具有输出信号波形种类多、精度高、可程控等特点。文中详细分析了该信号发生器的系统结构、软硬件设计和具体实现电路。