These results demonstrate that the RF analysis tests have potential as a tool for structural detection in Ni-Ti instruments and that the method presented is feasible for clinical application.
自然频率分析法的结果显示，不同制造方式的镍钛合金根管锉，在经过使用后会 有不同幅度的下降以及长度的增加量，因此可以将这种检测方式应用在临床上。
This paper introduces a new system for measuring the fluctuation of radar RF pulse series by using IF quadrature dual channel, and gives theoretic analysis of this system.
提出了一种利用中频正交双通道测量雷达发射机射频脉冲序列起伏的新的测量系统，并对此系统进行了理论分析。
The FDTD method was originally proposed for electromagnetic waves with long wavelength such as RF and microwave. It can also be used for the analysis of optical devices.
FDTD方法最初是用来解决像射频与微波这样相对较长的波长的电磁问题的，它也可以用于光器件的分析。
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