本文利用心脏磁场单磁偶极子模型研究了心脏磁场强度检测信号的频域空间滤波法。
Based on single magnetic dipole model, the spatial filtering method of cardiac magnetic signal in the frequency domain was investigated.
实验采用单光路临界角法，用四象限探测器探测输出信号，物面微位移采用压电陶瓷作为驱动元件。
The experiment came into use single light path critical angle method, output signals were detected by four-quadrant receiver, micro-displacement drive element were piezoelectric ceramics.
该法信号读出方便，精度不低于单光束莫尔偏折术。
With this method, the readout of information is convenient, the accuracy isn't lower than that single beam Moire deflectometry.
该法信号读出方便，精度不低于单光束莫尔偏折术。
With this method, the readout of information is convenient, the accuracy isn't lower than that single beam Moire deflectometry.
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