用数字存储示波器采集发动机转速传感器、喷油器波形，并且运用计算机软件进行分析处理。
The waveforms of engine speed sensor and oil injector are collected by digital storage oscillograph and analysed and handled by computer software.
以上止点位置传感器为例，模拟其发生故障时发动机性能发生的变化，用数字存储示波器采集其输出信号波形并运用计算机软件进行分析处理。
The position sensor of TDC is set for an example. The fault diagnosis of it and the change of engine's performance are simulated.
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