光栅数字检波器是基于光栅测量技术具有误差平均效应、精度高、动态范围宽等特点而设计的。
Grating digital geophone is designed based on that the grating measurement techniques are the characteristics of averaging-error effect, high precision and broad dynamic range.
介绍了检波器耦合的叠加效应和耦合谐振模型，为提高对耦合系统的描述精度，提出了检波器耦合系统的二自由度模型。
The stacking effect model and coupling resonance model were presented. The two-freedom model which gives high description precision of coupling system was proposed.
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