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optical signal estimation 光信号估值
After we compare the MSE performance between shifted signal and non-shifted signal estimation method, we proposed the structure from a totally different estimation point of view. 探讨彼此之间的系统估测效能之后我们提出另一种具有相同架构却不同的估测方法。
The combustion cycle is the main reason of both cutting waviness and main frequency of optical signal. 结果表明，燃烧循环理论不仅是切割面波纹形成的主要因素，也是光信号主频产生的主要原因。
In active fiber two kinds of nonlinearity, nonlinear polarization and gain saturation, laed to the frequency spectrum broadening of optical signal. 有源光纤的两种非线性效应非线性极化(克尔效应) 和增益饱和效应都将引起光信号频谱展宽。
Experimental results indicate that with a parasitical capacitance of 2pF,this circuit works at 1.25Gb/s. A clear eye diagram is obtained with an input optical signal of -17dBm. 测试结果表明;在2pF的寄生电容下;前端放大器工作速率达到了1·25Gb/s ;在光功率为-17dBm的光信号输入下得到了清晰的眼图.
Lightwave Solutions has developed a novel optical signal processing core technology resulting in a discontinuous innovation in the design of optical transmitter products. 本公司成功研发出一种新型的光信号处理核心技术，是光纤传输产品设计领域中的又一革新。
In order to simulate the contention of packets and solve the problem of loss of frame synchronization signal,the 622 Mbps optical signal generator based on FPGA is introduced. 为了模拟这种网络解决竞争的能力和解决网络的帧同步不丢失的问题,设计了一种基于FPGA的光上路源。
At the same time,the period of optical signal storage in delay lines is also altered and the delay precision of optical fiber delay lines is improved.The simulation res... 相比传统的电延迟线,光纤延迟线具有带宽宽、损耗低、抗电磁干扰能力强、保密性好、重量轻以及性价比高等优点。
Converter detects the optic signal from fiber and convert it into voltage signal which is digitalized.Then computer correlates the digital signals. 光电转换电路检测光纤传来的光信号，并转换成电压信号，由数据采集电路抽样量化输入计算机进行信号相关处理。
The result shows that it is possible to increase the TSs and channels as per requirements in FTTR solution,because the optical signal beat noise is reduced by spectrum spreading of CDMA. 结果表明 ,由于 CDMA的扩频作用减少了光信号噪声 ,使得FTTR方案中按照需要增加终端站和信道数目成为可能
The demodulation in distributed sensor system is a difficulty. The optical wavelet filter is designed to improve imbalanced and nonlinear optical signal efficiently and the optical wavelength absolute code is completed. 针对分布式传感系统中的解调问题 ,设计了光学小波滤波器 ,有效地改善了非平衡、非线性光学信号的干扰 ,实现了光学波长绝对编码。
Although an optical signal suffers more loss in a metal than in a dielectric such as glass, a plasmon can travel in a thin-film metal waveguide for several centimeters before dying out. 虽然光学讯号在金属中的耗损比在玻璃等介电质中来得高，但电浆子可在薄膜金属波导中行进数公分才消失。
Study on Approaches of DS &DS/CDMA Signal Estimation DS及DS/CDMA信号的估计方法研究
Since fibre-optical has transmission spoilage per se, the feasible optical signal will decay to the degree accepting machine having no way to differentiate while transfer a short distance. 但是由于光纤本身具有传输损耗，使得光信号只能传输不太远的距离就会衰减到接受机无法辨别的程度。
GPS SATELLITE SIMULATOR SIGNAL ESTIMATION BASED ON ANN 基于人工神经网络的GPS卫星信号模拟器信号估计方法
Finally, we transfer optical signals between Ge MOS tunneling diodes in free space. 最后，我们使用锗金氧半二极体在空气中传送光信号。
The result shows that it is possible to increase the TSs and channels as per requirements in FTTR solution,because the optical signal bea t noise is reduced by spectrum spreading of CDMA. 结果表明，由于CDMA的扩频作用减少了光信号噪声，使得FTTR方案中按照需要增加终端站和信道数目成为可能。
G-APD array detector has two outstanding characters: single photon sensitivity and pico-second resolving power, which makes the detector very suitable for the weak optical signal 3-D imaging. G-APD阵列探测器兼具单光子探测灵敏度和皮秒级时间分辨率两大特点，适用于对极微弱光目标的三维成像探测。
As part of the brain, the retina itself can perform a series of preliminary calculations with the input optical signals. 作为大脑的一部分，视网膜本身能对输入的光信号进行一系列初步计算。
Photoelectric receivers are placed at different points in the focal plane, by which the optical signals are converted to electric signals. 在像面上的不同点设置多组光电接收器，将像面接收到的光信号转换为电信号。