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为了实现对飞机电源系统中电压畸变参数的准确测试,设计了一种基于LabWindows/CVI的航空电源畸变参数测试系统。测试系统主要包括高速数据采集系统和数据采集与处理软件两大部分,采用了数据预处理技术和椭圆滤波算法,能够实现数据的实时采集和准确的数据处理。实际应用表明,该系统运行稳定可靠、测试结果准确,能够满足航空电源畸变参数测试的需要。
In order to test the voltage distortion parameter of the aircraft power system accurately, a test system based on LabWindows / CVI is designed. The test system mainly includes two parts of high-speed data acquisition system and data acquisition and processing software. The data preprocessing technology and elliptic filtering algorithm are used to realize real-time data collection and accurate data processing. The practical application shows that the system is stable and reliable, the test results are accurate and can meet the needs of the test of distortion parameters of the aviation power supply.