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- 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.
- 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。
- input optical signal 输入光学信号
- The phase bias of the sensor array is realized through an integrated optical chip (IOC) driven by a pulse signal synchronizing with the input optical pulse. 整个阵列的相位偏置由一个与输入光脉冲同步的相位调制信号驱动集成光学芯片实现。
- It is suitable for field installation in fiber optic area.In addition, HOP51 attenuator has the inimitable function of display both output and input optical power. 该仪器采用智能数显连续可变微机芯片，辅以软件作为控制单元，整机体积小、重量轻、功耗低、测量精密、可靠性高，是一款性价比极高的产品。
- 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。
- When input optical power is greater than 15 dBm, SPM is predominant in single channel optical transmission system and the maximum input optical power is 18 dBm. 入纤功率大于15 dBm时,SPM效应起主导作用,单信道光传输系统极限受限功率为18 dBm。
- When the input optical field is symmetric to the incidence, its propagations in this system are numerically analyzed in accordance with the self-imaging principle. 在输入光场对称入射时，根据自映像原理数值分析了光在其中的传播行为。
- 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。
- 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。
- When the amplitude or frequency of the input optic field is varied slowly and linearly with time,the bifurcation and dynamical behaviors for the time-dependent system of bistability are also studied . 当入射光场的振幅或频率随时间线性慢变时，研究了双稳时变系统的分岔和动力学行为，并揭示新的奇怪吸引子的出现.
- 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。
- SPM is unobvious when input optical power is less than 0 dBm, and when input optical power is greater than 0 dBm and less than 12 dBm, SPM weakens the GVD effect and extends the transmission distance. 入纤功率在0-12 dBm时,SPM效应减弱了色散效应的作用,延长了系统的受限距离;
- Influences of input optical pulses including the control pulse and probe pulse on the switching window of ultrafast nonlinear interferometer (UNI) are studied by numerical simulation and experiment. 就超快非线性干涉仪(UNI)的输入光特性对其开关窗口的影响进行了数值模拟和实验研究,输入光包括控制光脉冲和探测光脉冲。
- 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。
- 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。
