从广义电磁波角度，讨论了土壤水分电磁测量方法的物理机理，详细分析了土壤水分广义电磁测量方法的研究历史、现状和问题。
Based on electromagnetic theory, the physical mechanism of soil moisture electromagnetic measurement methods are discussed, and its research history, advances and problems are analyzed.
讨论了卫星地球站emi(电磁干扰)的测量方法，给出了有关计算公式，最后介绍了一个测试实例。
This paper describes the EMI measurement method of a satellite station. Some formulas are given. A experiment example is introduced at last.
文中介绍了一种新型大位移测量方法，并详细介绍了其在电磁振动系统中的应用。
A kind of new method for long distance displacement measuring has been given in this paper, along with the presented application example in the area of electromagnetic vibration system.
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