拍频

Experiment on Beat Frequency between Two Independent Different Types of Laser.

两种不同类型独立激光器的拍频实验。

By these means we find that the beat frequency of this laser under transverse magnetic field is too low to use.

该项工作分为两部分，本次毕业设计涉及的是利用拍频锁定法进行探索。

The beams are combined by optical frequencies to produce a beat frequency.

梁相结合的光学班次，以产生一个拍频。

Then synthesize these errors by using stochastic error theory to write out estimative formula that calculate transmission error.

在对运动误差的频谱进行分析的同时，对运动误差中的"拍频"现象的产生机理进行了研究。

In general, the hyperfine splitting is measured by heterodyne technique.

一般而言，超精细结构的间距是以拍频的方法量得。

Reference grating formed by electronic oscillating signal and photoelectric conjunction Moire contouring of isohypse fringe based on electronic signal beat freguency principle are reported in the paper.

本文报导用电子振荡信号形成"参考光栅"，基于电信号拍频原理产生等高线条纹的光电结合型莫尔轮廓术。

Using this method, the output linewidth of single longitudinal mode fiber laser is measured.

由于实验室没有频谱仪，采用此测量方法的最大困难就是如何检测拍频。

With ordinary photocell s, one can pick up the frequency between two different lasers

用普通光电池，人们就能够深测到两个不同的激光之间的拍频。

Laser frequency stabilization based on control of intermode beat note.

基于纵模拍频控制的激光稳频技术。

Laser frequency stabilization based on control of intermode beat note, Chin.

王丽霞，蒋燕义，毕志毅等，基于纵模拍频控制的激光稳频技术。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。