In the acoustic emission calibration technology, the reference sensor is important.
声发射传感器校准技术中，参考传感器的选择尤其重要。
Dealing with the concrete conditions of instrument system and its calibration tests, tbe method to determine the impulse response function of acoustic emission is introduced briefly.
扼要介绍结合声发射检测系统仪器的实际条件以及标定试验求取系统脉冲响应函数的方法。
With the ever-stringent vehicles exhaust emission standard and higher requirements on economics, more de-mand have been put forward on the technology of optimization and calibration.
随着汽车排放法规的日益严格，同时对经济性的要求越来越高，对电控发动机的优化标定技术提出了更高的要求。
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