火力与指挥控制Issue(5)：167-169,3.
基于Labview的非NI采集设备频率测量法
BasedontheLabviewNonNIAcquisitionDeviceFrequencyMeasurement
摘要
Abstract
For the use of non National Instruments (NI) acquisition equipment in the test system, poor compatibility of its underlying hardware system and Labview causes measuring frequency and time value was not accurate. Two solutions are proposed including zero crossing test method and VI data processing method, and using zero crossing test method to measure the frequency was based on the Error Theorem by finding zero ,VI data processing method achieves the aim to measure the frequency by the research on VI model . Not only these two methods are implemented in the Labview platform, but also are confirmed for USB7660BN acquisition equipment by measure signals whose frequency is 1KHz, 3KHz, 5KHz, 6KHz respectively. Results show that two methods measured the error of less than 1Hz and could complete all testing requirements.关键词
非NI采集设备/Labview/过零点测试/VI数据处理Key words
Non-NI acquisition equipment/labview/zero crossing of the test/VI data processing分类
信息技术与安全科学引用本文复制引用
郝骞,李鹏,马慧卿,齐明思..基于Labview的非NI采集设备频率测量法[J].火力与指挥控制,2013,(5):167-169,3.基金项目
国家自然科学青年基金 （）
