为使检波器获得高灵敏度、低失真度，对检波器内的电磁场进行了系统的研究。
In order to design a high accuracy geophone with high sensitivity and low-distortion, the electromagnetic field in a geophone is studied systematically.
采集时可以用震源及检波器的组合，使噪声达到最小；在处理时，可以用滤波和数据叠加使噪声最小。
Noise can be minimized by using source and receiver arrays, generating minimal noise during acquisition and by filtering and stacking data during processing.
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