heterodyne method的例句大全

measurement of liquid refractive index with a linear frequency modulation heterodyne method

线性调频外差法测量液体折射率

measurement of the roughness of supersmooth surfaceusing optical heterodyne method

光学外差法检测超光滑表面粗糙度

This measuring system keeps all the advantage of the Dual-frequency Interferometric Confocal Microscope ( DICM): both high resolution ( sub-nanometer) by heterodyne interferometry and relatively large measurement range ( over 5 micron) by confocal method.

该系统保持了双频外差干涉共焦显微镜（DICM）的全部优点：用外差干涉和相位细分技术实现精测，使得轴向测量分辨率达到0.1nm；

with this new method, it is superior to usual heterodyne interferometer and beat interferometer for absolute distance measurement in anti-interference, short measurement time and high accuracy.

此法避免了该领域常用的外差干涉仪的不足和拍波干涉仪结构复杂的问题，而且测量精度高、抗干扰能力强、测量时间短，使绝对距离测量技术更具有实用性。

A new method of measuring eccentricity of rotary turntable by means of optical heterodyne is described.

本文介绍了一种利用光外差测量原理测量旋转转盘偏心距的新方法.