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在机车横向振动信号模数转化中的应用
引用本文:齐文达.在机车横向振动信号模数转化中的应用[J].电子设计工程,2011,19(17):183-184.
作者姓名:齐文达
作者单位:广西军区75475部队,广西防城港,538037
摘    要:基于TMS320LF2407 DSP模数转换模块(ADC)直接应用于机车横向振动信号A/D转化、实现串行高速采样的目的,采用对ADC模数转化进行软件编程的方法,通过合理安排转换通道、设计系统要求的采样频率和A/D转化,通过分析计算和误差分析,DSP ADC能够最大限度缩小串行采样与并行采样之间误差,能够满足DSP控制系统的需要,在设计硬件电路中,完全可以利用DSP集成的DAC模块。

关 键 词:DSP  ADC  机车  横向振动  信号

TMS320LF2407 DSP ADC used in A/D of lateral vibration signals in the locomotive
QI Wen-da.TMS320LF2407 DSP ADC used in A/D of lateral vibration signals in the locomotive[J].Electronic Design Engineering,2011,19(17):183-184.
Authors:QI Wen-da
Affiliation:QI Wen-da(Guangxi Military Region 75475 Troops,Fangchenggang 538037,China)
Abstract:In order to achieve serial high-speed sampling,the TMS320LF2407 DSP analog-digital conversion module (ADC) was directly applied to the lateral vibration signal A/D. Through programmed software of A/D and reasonablely arranged conversion channels,the need of system-required sampling frequency and A/D conversion was met .Through the calculation and error analysis, the error between the serial sampling and the parallel sampling was minimized. The result shows that DSP analog-digital conversion module is fully able to meet the control requirements.In the design of hardware circuits, DSP integrated DAC module can be used directly.
Keywords:DSP  ADC  locomotive  lateral vibration  the signal
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