• When you turn on a device controlled by the badge all the lights blink at a certain frequency that generates enough optical noise to defeat facial recognition systems.

    打开所有闪烁徽章控制一定频率产生足够的噪声战胜面部识别系统的设备

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  • It is proved theoretically and experimentally that this method makes an order of magnitude improvement in reducing the laser noise for the optical stabilizer.

    理论分析实验表明,采用方法可使强稳定系统压缩噪音能力有数量级提高

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  • NuCrypt's proprietary "AlphaEta" quantum-noise randomized, physical-layer encryption technology represents a new paradigm in ultra-secure, high data-rate optical communications.

    NuCrypt公司专有的“AlphaEta”量子噪声随机物理层加密技术代表了超安全高数据速率光通信的模式

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  • Optical flow or motion fields could theoretically be used, but they are extremely noise sensitive and their accuracy is limited due to the aperture and occlusion problem.

    理论上可以使用运动场估计进行分割噪声相当敏感,且分割精度遮挡孔径效应的影响而剧烈降低。

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  • Besides multistage EDFA making the bandwidth reduced and noise increased, the material dispersion of optical fibers is also an important factor to affect WDM systems.

    除了多级光纤放大器(EDFA)使带宽减小噪声增大,光纤材料色散也是WDM系统影响重要因素

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  • The noise of an optical receiver consisting of a surface emitting laser amplifier and a detector is enhanced by any lack of gain uniformity.

    表面发射激光放大器检测器组成接收器噪声任何增益非均匀性增加

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  • Aiming at the noise jamming problems in acquisition of small current signals, an isolation and acquisition board for current signal is designed based on HCNR201 high-linearity analog optical coupler.

    针对电流信号采集存在噪声干扰问题,采用高线性度模拟hcnr 201设计了电流信号隔离采集

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  • The minimum noise design of the wideband optical receiving module plays an important role in the full optical communication system.

    宽带接收组件前端电路噪声设计整个光通信系统研制中具有重要地位

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  • One of the key technology in coherent optical communication system is how to restrain polarization noise of the optical system.

    光学系统偏振噪声抑制相干系统中的关键技术之一

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  • By this filter, the shift, scale and rotation invariant optical pattern recognition was realized with a high signal noise ratio of correlation output.

    这种滤波器实现平移旋转尺度三重不变光学图像识别,且较高

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  • The filter used to suppress spontaneous emission noise of amplifier in optical communication system is also analyzed.

    分析了采用滤波器抑制光通信系统中的放大器自发辐射噪声

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  • The key of realizing the application in radar system shown in theories and tests is to carry out miniature optical terminal units which have low loss, low noise and large dynamic range.

    理论分析实验表明,制成损耗、低噪声动态范围小型化实现雷达系统应用关键

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  • Phase noise in semiconductor laser due to external optical feedback is investigated theoretically.

    本文在理论上研究了由于外部反馈引起的半导体激光器相位噪声

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  • Adopting noise initiation mode of stimulated Brillion scattering (SBS), the influence of focal length on optical limiting power and energy is numerically simulated.

    采用布里散射(SBS)噪声起源理论模型,数值模拟了透镜焦距SBS限幅功率特性能量特性影响

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  • The transmission quality of DWDM system is affected by the damages from linear and nonlinear effects so the ratio of optical signal to noise is reduced and the bit error rate is increased.

    DWDM系统传输质量受到线性非线性两类效应引起损害影响,导致信号噪声下降误码率增大

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  • The optimal intensity noise suppression of a Fabry-Perot (FP) laser is experimentally acquired by relatively strong external optical injection locking technology.

    采用强的注入锁定FP激光器获得理想强度噪声抑制效果

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  • Based on the equivalent circuit model of a two-port optical receiver front-end, the relationship between the equivalent input noise current spectral density and the noise figure is analyzed.

    根据接收机前端等效电路模型,建立噪声系数等效输入噪声电流密度关系

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  • The appearance of optical fiber communications greatly alleviate such problems as low transmission speed, poor Signal-to-Noise and easy disturbance which puzzle people.

    光纤通信出现大大缓解了长期以来一直困扰人们的传输速度、信噪比差和易干扰问题

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  • The light optical spot area and the optical intensity distribution can be adjusted through software. The non-uniformity of response and the SNR are influenced by the noise of the detector.

    光斑大小和光分布不均影响可以通过软件校准,象限响应率不均噪比受探测器噪声以及处理电路噪声影响。

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  • On the basis of the quantum theory, the optical energy and various noise of CCD could be converted to equivalent electric charges, and then the facular detection model of CCD was proposed.

    量子理论基础激光能量各种CCD噪声转换为等效电荷,在此基础上建立了CCD光斑检测模型

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  • In experiment, we research the optical spectrum and analyze the influence of driven current noise on optical spectrum linewidth of tunable DBR laser.

    实验研究dBR激光器光谱特性,分析了驱动电流噪音可调d BR激光器线宽影响

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  • The internal device such as noise and interference, such as optical pyroelectric sensor signal and transient.

    内部由于器件噪声干扰光热感应器信号瞬变等。

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  • Since the downward conversion photon pairs have strong correlation in time, they can be used for noise - free optical communication.

    由于转换光子具有很强的时间相关性可用来进行噪声的光通讯。

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  • The optical fiber transformer based on an optic electric conversion with low noise gains voltage measurement accuracy of 0.2%, satisfying the requirements of transient signal measurement.

    基于噪声光电探测电路设计光纤电压互感器可获得0 .2 %电压测量精度并满足暂态信号的测量要求

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  • The erasable optical disk with high recording density, high stability, high data transfer rate, high carrier-noise ratio and low error rate arc the main points in the research and development.

    当前研究与开发的重点具有记录密度数据传输速率快、稳定性好、载比大和误码率的可擦型光盘存储材料。

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  • The double integration A/D converter and the electro-optical isolation device are used to reduce the mains noise and motor interference, which can significantly improve the accuracy of A/D conversion.

    设计选择积分A/D转换芯片,采用光电隔离装置,有效降低电源噪声电机干扰大大提高了转换精度

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  • This paper introduces the technologies of remote pumped erbium-doped optical fiber amplifier, remote pumped optical fiber pre -amplifier, Raman noise filtering and forward error correction used in G.

    文章介绍了采用光纤功率放大技术、远泵掺铒光纤前置放大技术、拉曼噪声抑制技术误码纠错等技术,工程上常用的G。

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  • With the increasing use of optical coherence tomography, the study of the signal-to-noise ratio in low-coherence interferometry has been of increasing concern.

    光纤相干干涉技术已经广泛用于高灵敏度测量技术当中。

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  • We show that the refular pumping statistics and atomic coherences can reduce the field noise of multiple one photon optical bistability, but can not result in field squeezing from an ordinary vacuum.

    证明亚泊松泵浦原子相干性使光子双稳态噪声降低不能产生光场的压缩效应。

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  • We show that the refular pumping statistics and atomic coherences can reduce the field noise of multiple one photon optical bistability, but can not result in field squeezing from an ordinary vacuum.

    证明亚泊松泵浦原子相干性使光子双稳态噪声降低不能产生光场的压缩效应。

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