基于PXI总线的高度表模拟器设计及实现

The Design and Realization of Altimeter Simulation Based on PXI Bus

本文结合虚拟仪器的发展现状及市场对高性能模块化仪器的需求,研制了一款PXI高度表模拟器模块。介绍了模块的硬件工作原理及软件的设计过程及实现。该模块具有模拟高度范围宽、精度高和功率衰减动态范围大等特点,可广泛应用于多兵种、多型号飞行器的高度表测试。

Based on the development status of virtual instruments and the market demand for high-performance modular instruments,this paper develops a pxi altimeter simulator.The hardware working principle and software design process and implementation of the module are introduced.This module has the characteristics of wide range of simulated altitude,high accuracy,and large dynamic range of power attenuation.It can be widely used for altimeter testing of muti-arms and multi-model aircraft.