输出波形精度高，失真小线性好。
High precision of output waveform, good linearity distortion.
但由于实际波形中含有大量的谐波分量甚至指数衰减分量，直接影响了这些算法的精度。
Because real waves contain numerous harmonic wave and even exponentially. attenuating components, the accuracy of an algorithm depends on its filterability.
介绍了这种传感器的设计思想、工作原理、波形分析、精度分析和样机试验效果等。
The design idea, the working principle, the wave analysis, the precision analysis and the experiment effect of the sensor are introduced.
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