2) coherent communication system
相干通信系统
3) coherent optical communication
相干光通信
1.
Math Modeling and Simulation Research of Coherent Optical Communication Systems;
相干光通信系统的数学建模与仿真技术研究
2.
A theoretical model of the heterodyne efficiency for space coherent optical communication was established based on the precondition of assuming the local oscillator beam as Gauss beam while signal beam as Airy distribution,and the model was simulated under the situations of the signal beam propagating normally and slantingly respectively.
以本振光为高斯光,信号光为艾里斑分布为前提,建立了空间相干光通信系统外差效率的理论模型。
3.
Heterodyne efficiency is reduced by aberration of receiving antenna for space coherent optical communication.
空间相干光通信中接收天线像差会使光外差效率下降。
4) Coherent Optical System
相干光系统
1.
Multiscale Geometric Analysis Based Image De-Noising in a Coherent Optical System
其二,从图像质量角度讲,傅立叶透镜的低通特性给系统图像带来了一定的低通滤波效果,这要求处理图像时比其他场合更侧重保护图像细节信息;同时,在这类光程较近的相干光系统中,由于光源的强相干性,使得系统图像中除了常见的随机噪声外,还有特殊的低频相干噪声,这也限制了相干光图像处理系统的发展,同样需要解决。
6) optical communication system
光通信系统
1.
A novel simplex optical communication system based on duo-binary code was designed and simulated.
模拟仿真了一种新型编码的光通信系统,系统采用了双二进制码(DB Duo-binary)电信号作为调制信号,激光脉冲作为载波信号,用非相干外调制技术作为调制方式。
2.
Based on the model of chaotic optical communication system,Logistic chaotic sequence spectrum power and the power spectral density are analysed by using MATLAB,discovering that the power spectral density of chaos signal can provide testing basis for optical communication system model,then MATLAB simulation is conducted on this basis.
通过混沌光通信系统模型的建立,利用MATLAB对Logistic混沌方程产生混沌序列进行频谱能量和功率谱密度分析,发现混沌信号的频谱密度可以作为光通信系统模型的检测依据,并在此基础上进行MATLAB仿真研究,表明可以将混沌信号作为信息载体,实现光通信的混沌传输,由于混沌理论具有良好检测微弱信号的能力,从而开辟了光通信长距离无色散传输的另一种途径。
补充资料:红外线通信(见光通信)
红外线通信(见光通信)
infrared communication
hongwaixian tongxin红外线通信(in fraredco~爪cation)见光通信。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条