Semiconductor optical amplifier (SOA) is very fit for all optical modulation format conversion due to its high nonlinear characteristics, lower switch power and small size.
半导体光放大器(SOA)由于具有高非线性特性、低开关功率和尺寸较小等优点，非常适合用来实现全光码型转换。
Kinds of optical modulation sensors, especially lightwave phase modulation sensors are studied.
系统研究了各种光波调制传感器，重点研究了光相位调制传感器。
The optical modulation characteristics, differential gain (DG), differential phase (DP) and signal-to-noise ratio (S/N) are described as well in this paper.
文中论述了光调制特性、微分增益（DG）、微分相位（DP）、信噪比（S/N）等重要问题。
An external modulation laser technology of electro-optical modulation technique has been widely used because of its advantages which can not be got by others.
其中光外调制技术中的铌酸锂电光调制技术因其具有其它调制方式所不及的优点而被广泛应用。
It is high promising to prepare optical modulation emission materials by incorporating lanthanide complex into photo-responsive azobenzene-containing polymers.
将稀土配合物引入光响应性偶氮苯聚合物体系，有望得到可光调制发光材料。
A method using optical fiber in experiment of electro optical modulation is presented and its advantage is discussed.
介绍了用光纤扩充电光调制通信教学实验的方法和特点。
This paper takes modulation technique as main hint, summarizes the essential principle of analogue modulation technology, optical modulation and digital modulation technology.
以调制技术为主线，介绍有线电视系统中模拟调制技术、光调制技术和数字调制技术的基本原理。
Under a certain deliver distance and the light power, the different sub-carries number to exist a best optical modulation index, making the system's carrier-to-noise ratio biggest.
一定的传输距离和发射光功率情况下，不同的子载波数存在一个最佳的光调制指数，使得系统载噪比最大；
The experimental principle of electro-optical modulation is introduced. The work-point choosing methods used in the electro-optical modulation experiment are explained theoretically.
介绍了晶体电光调制实验的原理，给出了两种调节电光调制器工作点的方法，并从理论上对两种方法进行了解释。
Electro-optical effect and optical conductive effect of BSO crystals is studied in this paper. The opto-electro optical modulation is realized using these two kinds of optical effects.
本文研究了BSO晶体的电光效应和光电导效应，并利用这两种效应实现了光-电-光调制。
By means of computer simulation, Lissajou figure of the rectangular wave magneto-optical modulation method was investigated, and the principle and precision of this method were studied.
运用计算机模拟，对矩形波磁光调制的利萨如图形进行了详细考察，研究了其检偏原理，并对其检偏精度进行了分析。
Optical modulation and demodulation implementation scheme in mobile atmospheric laser communication system are designed.
论文设计了移动大气激光通信系统中的光信号调制解调的实现方案。
Optical modulation and demodulation implementation scheme in mobile atmospheric laser communication system are designed.
论文设计了移动大气激光通信系统中的光信号调制解调的实现方案。
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