The ae sensor calibration system based on pulsed surface wave sound field was built several commercial and self-made ae sensors had been calibrated on it.

建立了基于脉冲表面波声场的声发射传感器标定系统，对商用和自制的几种声发射传感器进行了标定。

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At the same time, the self calibration of an automatic test system is an important problem to be solved, and it affects the system's test accuracy directly.

同时，自动测试系统的自校准也是一个重点需要解决的问题，它直接影响到系统的测试精度。

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The redundant measurement system presents many powerful characteristics such as self calibration, recovering the lost information, error compensation and so on.

详细论述了基于系统的冗余技术实现的各种重大作用如系统的自标定、挡光自恢复和误差补偿等。

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