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The signal beam can be recreated by illuminating the medium with a beam identical to the original reference beam. 通过用和原始参考光相同的光束来照亮感光介质可以还原信号光。
In intersatellite communications, wave front aberration is main factor in affecting far-field behavior of signal beam. 星间光通信中,波前畸变是影响信号光远场特性的主要因素。
The relationship of cut-angle and the degree between pump beam and signal beam in BBO crystal pumped by 425nm pulse is theoretically calculated. 计算了BBO晶体中下转换光的分离角与晶体切割角的关系曲线。
Influence of parameters such as pump beam intensity and wave mixing angle on the compressed pulsewidth of signal beam was discussed. 计算了泵浦能量密度,泵浦光与信号光夹角等与脉宽压缩量的关系。
The achromatic phase matching technology is introduced in femtosecond optical parametric amplification, and broadband phase matching condition with angular dispersion of signal beam is given. 将多色相位匹配技术应用于飞秒光参量放大, 推导出信号光带角色散时的宽带运转条件。
This new kind of configuration of the optical switch has the features of less optical components, compact structure, efficient performance, and insensitiveness to polarization of signal beam. 该光开关所用器件少，具有结构紧凑规整、功能的实现与信号光的偏振态无关以及可以完成双向交换等特点。
The light amplification mechanism of fanning noise in doped lithium niobate crystals was analyzed and the light amplification competition between the signal beam and the fanning noise was discussed. 分析了掺杂铌酸锂晶体的扇形噪声光的形成机制，讨论了信号光与扇形噪声光之间的光放大竞争问题。
This“ signal beam” then meets a separate reference beam, and where the two beams intersect they create an interference pattern in a light-sensitive medium. 然后，信号光会和另一独立的参考光相遇，当两个光束相交时，它们会在感光介质中制造一个干涉图样。
This "signal beam" then meets a separate reference beam, and where the two beams intersect they create an interference pattern in a light-sensitive medium. 然后，信号光会和另一独立的参考光相遇，当两个光束相交时，它们会在感光介质中制造一个干涉图样。
small signal beam transadmittance 小信号电子束跨导纳
A red light is usually a signal of danger. 红灯通常是危险的信号。
I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
THERE ARE SIGNAL BEAM LIGHT AND MULTIPLE BEAM LIGHT TO SELECT 有单束光和多束选择
A red lamp is often a danger signal. 红灯常常是危险的信号。
Radio signals beamed through the moon's atmosphere will reveal how much the temperature varies by latitude and altitude. 发射能穿透土卫六大气的无线电讯号，将可揭示温度如何随纬度及高度变化。
A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
The rise in prices was a signal for rebellion. 物价上涨引起了叛乱。
A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
The signal was picked up by a downrange radar station. 该信号被试验飞行方向之内的雷达站收到了。