heterodyning meaning in English

差拍变频
外差法

The doppler frequency can be obtained as a heterodyne or beat effect .
由于外差或频差效应，能够得到多普勒频率。
Verification regulation of heterodyne frequency meter
外差式频率计检定规程
Study on heterodyne transmission ellipsometry and nonlinearity error
透射式外差椭偏测量及非线性误差分析
The non - linearity errors in the heterodyne interferometry is investigated
外差式激光干涉仪非线性误差分析研究。
A fiber bragg grating temperature sensor based on heterodyne detection
一种基于外差探测的光纤bragg光栅温度传感器

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