涡流检测线圈输出信号十分复杂，对该信号进行准确的分析处理是获得高精度和高可靠性检测结果的基础。
The output signals! of measuring coil for eddy current testing is rather complicated, but is essential for detection accuracy and reliability.
结合高压输电线的特点，在论述了电涡流检测方法的基本原理之后，进一步论述了差动式检测线圈的电涡流检测原理与方法。
Taking into account the characteristic of the high-voltage transmission line, this paper discusses the basic principle of the eddy current testing method.
介绍了根据电磁感应原理、电涡流效应和集肤效应设计、制作EMI传感器的方法。详细讨论了激磁和检测线圈的绕制参数及调试方法。
A series of techniques for making the EMI sensor based on the theory of ElectroMagnetic Induction, eddy current effect and skin-effect were introduced.
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