The computation methods of electromagnetism parameters, electromagnetic wave frequency and medium slice thickness in microwave measuring for composite material were analyzed.
分析了复合材料微波检测中电磁参量、电磁波频率和介质薄片厚度的计算方法。
In dynamic state all the medium parameters are complex functions verse frequency, and wave expression is also a complex function verse frequency.
在动态情形下所有的介质参数都是依赖于频率的复函数，波也用频率的复函数表示。
It will give patients treatment by means of the amplified amplitude modulating wave current that can be obtained form medium frequency amplitude modulated by the low frequency pulse signal.
它将有关低频脉冲信号对中频调幅后，利用被放大的调幅波电流对人体进行治疗。
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