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- optical signal distortion 光信号畸变
- In the area with loose surface, the coupling problem between the vibroseis and the surface is the main factor for vibrating signal distortion. 摘要在疏松地表地区,可控震源及其与地表的耦合问题是引起振动信号畸变的主要因素。
- 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。
- To avoid the signal distortion aroused by the incorrect selection of threshold, it applies fuzzy theory into wavelet threshold denoising method, which uses two membership functions to construct two fuzzy threshold denoising methods. 为了避免由于阈值选取不当造成信号失真,将模糊理论引入到小波阈值去噪中,利用两个常用隶属函数构造了两种模糊阈值去噪方法。
- 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.
- A further analysis and experiments show that,in the conditions when SNR is very low,or the signal distortion is severe,the OSR approach performs far better than other conventional approaches. 理论分析和实验结果表明,OSR方法在对抗各种信号失真及干扰方面具有优越性,能在恶劣的条件下较准确地逼近真实的瞬时参数。
- 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。
- start stop telegraph signal distortion t 起止式电报信号畸变测试仪
- isochronous signal distortion tester 等时信号失真测试器
- teletypewriter signal distortion 电传打字信号失真
- 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。
- start-stop signal distortion tester 起止信号畸变测试器
- 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
- start-stop telegraph signal distortion tester 起止式电报信号畸变测试仪
- 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。