汽车性能试验测试与分析系统的研究与开发

Research and Developing of Measuring and Analyzing System in Automotive Performance Test

以便携式计算机为核心的汽车性能试验测试与分析系统，其功能囊括了国家标准规定的汽车性能试验的全部内容。该系统由便携式计算机、PCM－3132数据采集器、传感器等组成。本系统的软件由21个独立的应用程序组成。可完成数据采集、时域示波、概率统计、自相关分析、自功率谱、互功率谱、传递函数、相干、1/3倍频程分析等功能。

The measuring and analyzing system in automotive performance test,mainly based on the portable computers,has its functions for all automotive performance test contents stipulated in national standard regulations.The system consists of portable computer,PCM－3132 data acquisition device,sensors and etc,the softwares in the system are composed of 21 independent application programs and can complete its function of data acquisition,time domain oscillography,probability statistic,self－relative analysis,self－power spectrum,mutual－power spectrum,transfer function,coherence,1/3 octave travel analysis and etc.