基于VXI总线的噪声测试系统设计与应用

Design and Application of Measurement and Test System for Weapon Noise Based on VXIbus

武器发射时产生的脉冲噪声对人员和仪器会造成很大的危害,因此噪声测试在武器勤务性能考核中具有重要意义,针对脉冲噪声信号特性,开发了一套基于VXI总线的噪声测试系统;详细介绍了系统硬件结构设计、基于LabWindows/CVI虚拟仪器开发平台的软件设计和系统功能;设计的系统具有存储容量大、采样率高和软件功能强等特点,能够用于各种武器单发或连发射击时的噪声测试,也可以用于武器非行驶状态下的稳态噪声测试;通过在试验中的应用,表明本系统操作简便,工作可靠。

The impulse noise generated when the weapons firing can cause great harm to the operators and equipments, so the noise test has the vital significance in the weapon service performance test. In view of the impulse noise signal characteristics, a new measurement and test system based on VXIbus was designed. The design of the hardware structure and the software based on the LabWindows/CVf develop- ment platform and the system function were stated. The system has such characteristics as large storage capacity, high sampling rate and powerful Software function etc. The weapon impulse noise and steady noise can be tested by using it. Experiments proved the flexibility, sta- bility and reliability of the system.