线圈通常指呈环形的导线，最常见的线圈应用有：马达、电感、变压器和环形天线等。 线圈匝数是指导线环绕物体的圈数。
本文介绍了测量线圈匝数的方法—磁压相位比较法。
This paper introduces the methods of using the magnetic pressure phase method to measure the number of turns measurement.
介绍了装置的基本原理，给出了线圈匝数和集肤深度的数学模型。
The basic principle of the device has been introduced, and the mathematic models of coil number of windings and skin depth have been provided.
可任意调节电磁线圈匝数，匝间距离，产 生频率变化磁场分布变化。
The advantages lie in that the electromagnetic coil turns and turn-to-turn distance can be randomly regulated to generate frequency changes and magnetic field distribution changes.
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