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全相位FFT算法在机械传动测试系统中的应用
秦小屿,陈卫泽
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(西华大学机械工程与自动化学院，成都 610039)

摘要:

为了提高机械传动系统的测试精度和实时效果，构建了基于DSP及全相位FFT算法的机械传动测试系统，该系统由以DSP为核心的数据采集及处理的硬件结构和以全相位FFT算法为核心的数字信号处理软件组成。实验证明该系统具有抗干扰能力强、测量精度高、实时性好等特点

关键词: 机械传动测试系统数字信号处理全相位FFT 测量精度

DOI：

基金项目:

QIN Xiao-yu,CHEN Wei-ze

(Application of Allphase FFT in Mechanical Transmission Test System)

Abstract:

In order to improve the test precision and realtime effect of mec hanical transmission system, the mechanical transmission test system is designe d based on DSP and allphase FFT. The system consists of the hardware for data acquisition and processing with DSP and the software with allphase FFT algori thm for digital signal processing. The experiments have proved that the system h as such advantage as strong antiinterference ability,high accuracy,and good re altime effect.

Key words: mechanical transmission test system DSP all phase FFT measurement precision