Based on the relationship between optical frequency and intermode beat note,the intermode beat note was locked to the radio frequency standard by precise phase-locking technique to keep the cavity stable,so laser frequency stabilization was realized.
介绍了一种新的双纵模激光稳频技术:基于激光频率与纵模频率间隔的对应关系,通过精密锁相控制技术将两相邻纵模的拍频频率锁定在射频频率标准上,以控制激光谐振腔腔长,实现锁定激光频率的目的。
In this work, a new technique for laser frequency stabilization has been introduced based on the relationship between laser frequency and intermode beat note.
本文提出一种新的激光稳频技术：基于激光频率与纵模频率间隔的对应关系，通过精密锁相控制技术将两相邻纵模的拍频频率锁定在射频频率标准上，以控制激光谐振腔腔长，从而获得激光频率的稳定输出，实现射频频率标准向光学频率标准的传递。
This paper obtains the frequency interval between radio sets making sure the electromagnetic compatibility.
应用电磁干扰预测的原理 ,针对一体化通信指挥系统中 ,多部电台集中使用所带来的频率管理问题 ,进行了干扰多级预测 ,得出了保证电磁兼容性系统各电台之间应满足的频率间隔 ,提出了通信网中通信频率方
The components occur at infinitisimally small frequency.
分量是在无限小频率间隔上出现的。
The optimum parameters include the optimum frequency spacing, average damping ratio, and tuning frequency ratio.
最优参数包括最优频率间隔、最优平均阻尼比和最优调谐频率比.
The interval between any two frequencies having a ratio of2 to1.
倍频程频率比率为2比1的两个频率的间隔
The Relation and Its Application Between Time Interval Measurement and Phase Comparison in the Process of Time Comparison
时间比对中时间间隔测量与频率源比相的关系及其应用
The Relationship between Sampling Length & Time Gap as well as Frequency during the Fault Signal Collection;
故障信号采集中的采样长度、时间间隔和频率的关系
Optimize sections on exit no more than once every
在退出时优化分区的频率不超过每隔下列时间一次
The results showed that the mount spacing can be varied to adjust the natural frequency of the rotational mode.
结果说明：改变隔振元件的间距能调整扭转振动的固有频率的大小。
Duration,Ultra-High-Frequency Volatility and Value-at-Risk:Forecasting Financial Market Risk Using Intraday Information
交易间隔、超高频波动率与VaR——利用日内信息预测金融市场风险
Repetitive Marx generator with inductive isolators
全电感隔离型重复频率Marx发生器
You are a range above 100 GHZ it is necessary to do the pyramids from polyfoam imbrued by graphite and suffuse with crystal magnesium seven water.
频率范围在3200赫兹到100千兆赫之间，只简单需要几个钢或铝的简单隔热层。
"For radio transmission, information is imparted to a carrier wave by varying (modulating) its amplitude, frequency, or duration."
用于无线电传输时,信号用载波传送,通过改变(调制)载波的振幅、频率或间隔来实现。
The middle part of an audio frequency.
中声频，中频声波频率的中间部分
It's fluctuating in systematic intervals along the ultra-low frequency.
它随着超低频产生有系统间隔的波动
The Design of a High Resolution Time Interval Measurement Instrument
高分辨率时间间隔测量仪设计与实现
SFTS (Standard Frequency and Time Signals)
标准频率和时间信号
optical spatial frequency filter
光学空间频率滤色器
frequency and duration method
停电频率和持续时间法
time and frequency synchronization
时间同步与频率同步
