We can monitor many parameters and characteristics by measuring TEN, such as surge frequency, spectrum width, threshold current, mode jump and stability of output light power.
通过对激光的电噪声的测量可以监测激光器的诸多参数和特性，如弛豫频率，谱线宽度，阈值电流，模式跳变及输出光功率是否稳定等。
A mixing frequency excitation current source is designed according to the analysis of requirements of the bioelectric impedance measuring system.
通过分析生物阻抗测量系统的需求，设计了一种应用于生物阻抗测量的混频激励电流源。
This paper mainly studies the measuring method for the thickness of plating layer ofthe eddy-current sensor in the case of the multi-frequency and multi-parameters.
主要研究了电涡流传感器在多频率多参数下镀层厚度的测量方法。
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