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US5978727A Method and apparatus for engine analysis by waveform comparison 失效
用于通过波形比较进行发动机分析的方法和装置

Method and apparatus for engine analysis by waveform comparison
摘要:
A method and apparatus for analysis of engines analyzes digitized input signals from, for example, engine injectors and compares this digital data with the corresponding values of a digitized template or comparison signal. Compliance or divergence between the digitized signal values is indicated in bar graph form.
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