推导了放置式探头线圈的特征频率，为检测频率的选择提供了参考。
Then, characteristic frequency of laid test coil is calculated, it is important to select the test frequency.
结果表明：探头线圈满足测量范围及灵敏度的要求，且具有良好的线性度。
The test results show that the probe coil provides the desired measurement range and sensitivity with good linearity.
高速磁浮列车悬浮间隙测量模块利用立体探头线圈，部分消除了高速磁浮列车长定子直线电机轨道齿槽结构对测量的影响。
This module can partly eliminate the tooth-groove-effect from special structure of track in linear synchronous motor (LSM) by using a new stereoscopic probe coil.
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