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- optical signal modulation 光信号调制
- optical signal modulator 光信号调制器
- Operating in the heavy congested SW band,it is difficult for HFradars to find continuously useable waveband for signal modulation. 高频雷达工作在十分拥挤的短波波段内，可资用的能满足信号调制的连续频带很难获得。
- Abstract： Operating in the heavy congested SW band,it is difficult for HF radars to find continuously useable waveband for signal modulation. 摘 要： 高频雷达工作在十分拥挤的短波波段内，可资用的能满足信号调制的连续频带很难获得。
- 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。
- Realize signal modulation and demodulation functions, including various types of modulation such as ASK (amplitude modulation), PSK (phase modulation), FSK (FM). 实现信号的调制解调功能，包括各类调制如ASK(调幅),PSK（调相）,FSK（调频）。
- 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。
- Universal switch network and signal modulate circuit are designed. 设计了通用的通道开关网络和信号调理电路。
- 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。
- We indicate a signal modulation recognition method based on pattern recognition theory. It can effectively recognise many modulation types, including AM, ASK, FM, FSK, PSK and so on, on the condition SNR>5db. 论文中主要介绍了一种基于模式识别理论的信号调制类型识别方法,能够在SNR>5db 的情况下,对AM、ASK、FM、FSK、PSK 等多种调制类型进行有效识别。
- 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。
- DSP accomplishes the baseband signal processing, the DDC and the DUC deal with the transformation between baseband signal and IF signal, multi-sample rate signal processing, signal modulation and demodulation. 系统中DSP主要完成基带信号的处理，上下变频器完成基带和中频信号之间的转换、系统的多抽样率信号处理和信号的调制解调。
- The simulation results verify the millimeter-wave generation technique and the signal modulation and demodulation, which testify to the feasibility of the proposed millimeter-wave downlink system. 仿真结果验证了毫米波的产生和信号的调制解调过程，证明了该下行链路系统的可行性。
- SIGNAL MODULATES MIX VALVE TO ATTAIN OR MAINTAIN SELECTED TEMPERATURE. 输出混气活门的调节指令,以获得并保持选择的目标温度。
- 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。
- 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。
- 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。
