雷达高度表输出信号的数字化研究

Research on the Digital Output of the Radar Altimeter

机载电子设备的数字化是当前的发展方向。本文介绍的雷达高度表输出信号的数字化电路,以单片机系统为核心,使用8位A/D转换芯片,辅以适当的软件程序,输出高精度的12位二进制高度信息,显示高精度的5位十进制高度数据。该电路具有体积小、重量轻、功能全、精度高、适用性广的特点。

Present airborne electronic equipments trend to digitalization. In this article, is presented the digital circuit of radar altimeter, in which a monolithic processor system and an 8-bit A/D converter are used. With the help of the software programs, it outputs accurate altitude data of 12 bits and displays altitude data in 5 digits. It has the features of small volume, high property, low cost, light weight, multi function, and wide suitability.