• The scientists found that the precursor wave front of a single photon always travels at c, like the signal velocity of large groups of photons.

    科学家发现单个光子前驱头一般以光速c传播,就大量光子携带信号传播速度一样。

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  • Although previous studies have found that the "group velocity" of light can travel faster than c, the "signal velocity" -the speed at which information travels -cannot.

    尽管先前的研究已经证实,速度可以超越光速c信号传播速度”——光携带的信息的传播速度——不能超越光速。

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  • Although previous studies have found that the "group velocity" of light can travel faster than c, the "signal velocity" - the speed at which information travels - cannot.

    尽管先前的研究已经证实速度可以超越光速c信号传播速度”——光携带信息的传播速度——不能超越光速。

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  • It shows that the signal will become bad with the increase of transmission velocity and distance by comparing the wave figure and eye diagram of input and output pulse.

    通过比较输入输出信号脉冲波形发现随着传输速率传输距离增加输出信号劣化。

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  • It will be affect the range processing that the frequency agile of carrier in frequency agile signal arouse the variety of Doppler frequency, so the compensate of velocity door is obligatory.

    信号载频跳变引起多普勒频率变化距离处理产生影响,必须进行速度的处理。

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  • Random pulse position modulation (RPPM) signal not only has good resolution of distance and velocity, but also has low probability of interception and strong properties of eccm.

    随机调制信号不仅具有良好距离速度分辨力而且具有较低被截获概率和较高的抗干扰性能

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  • There exist ambiguities of range and velocity in the signal detection of pulse Doppler radar.

    脉冲多普勒雷达信号检测存在距离模糊速度模糊问题。

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  • Before analyzing seismic wave anomaly and velocity profiles. the polarity of reflected signal should be adjusted to be same as the physical significance of reflection coefficient.

    在震波异常速度剖面分析之前反射信号极性调整地层中反射系数物理意义一致

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  • In the design of filter, especially for the real time signal processing, the demand on the filter performance is not as high as that on the filter velocity.

    滤波器设计特别是实时信号处理场合,有时滤波器性能要求并不,但对处理速度要求高。

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  • In multilayer interconnected substrate dielectric constant of the substrate materials immediately affects transfer velocity of signal in the device.

    多层互连板中,基板材料介电常数直接影响器件信号传输速度

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  • The comparison dealts mainly with the frequency of drop forming, the velocity of drop flying, the drive signal and the complexity of drive circuit.

    其中主要就墨形成频率,墨滴飞行速度驱动信号驱动电路等关键参数进行比较。

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  • The performance of signal process circuit of ABS wheel velocity directly works on the control effect of the system, so designs and tests need to be repeated.

    ABS信号处理电路性能优劣直接关系到系统控制效果因而需要反复设计实验验证

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  • An inertial controlling scheme to the altitude with the signal of the axis apparent velocity and its integral by the method of conjugate equation is presented in this paper.

    本文飞行器轴向速度及其积分控制信号方程设计惯性高度控制方案。

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  • Theoretical analysis and simulation results are given to show the ambiguity function, the distance resolution, the velocity resolution, the intercept factor of the hybrid signal.

    理论分析计算机模拟该类信号模糊函数(图),距离分辨率速度分辨率和截获性能。

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  • On the basis of the principle of range-Doppler coupling of linear frequency modulation signal, a new method of radial velocity estimation for high coupling coefficient is presented.

    本文在分析线性调频信号距离—多普耦合原理基础上,提出了耦合系数条件下径向速度估计方法

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  • The signal modulation of velocity deception jamming is complex, and it is hard to complement anti jamming using the statistical feature extraction method.

    速度欺骗干扰信号调制较为复杂,难以统计特征提取方法实现抗干扰

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  • The effects of movement velocity of probe on the detecting signal are analyzed and researched based on theories and experiments. The results are very important to practical detection.

    主要理论实验两个方面涡流检测探头运动速度对检测信号影响进行了分析和研究,研究的结果实际的检测具有重要的指导意义。

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  • Small shifting of acceleration signal will result in the abnormal alteration of valve velocity.

    气门加速度信号微小漂移导致积分的速度信号严重失真。

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  • A new method of low intensity radiated noise measurement is shown using acoustic combined sensor and combined signal processing with pressure and particle velocity.

    本文研究运用组合传感器声压联合信号处理技术进行噪声通过特性测量

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  • In hydraulic synchronizing lifting technology for oversize structure, computer output PWM signal as the input current of proportional valve is used to control the velocity of hydraulic cylinder.

    大型构件液压同步提升技术中,采用计算机输出脉宽调制信号作为电液比例流量输入电流信号控制液压提升器的速度

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  • Simultaneously, the method implementing precise velocity estimation in two steps associative with PCSF signal characteristic under high moving targets is presented.

    同时,结合相位编码步进频率信号形式提出在高速目标情况实现精确速度测量的估计方法

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  • A new method is presented to implement the velocity radar real-time digital signal processing system based on DSP and FPGA.

    针对测速雷达实时数字信号处理系统的设计问题,提出了一种基于DSPFPGA的设计方法

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  • The paper studies the concepts of phase velocity and group velocity on electromagnetic wave propagation and discusses the relation between signal conveyance and energy conveyance.

    文章研究电磁波传播概念论证了信号传送能量传递的必然联系

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  • Considering the direct angular velocity signal output from fibre optic gyroscope, a novel coning compensation algorithm was introduced and it need input angular velocity signal.

    鉴于光纤陀螺速率信号可以直接获取,提出角速率信号作为圆锥补偿算法输入的新补偿算法。

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  • Because the wavelet packet decomposition is very sensitive to signal of the strange point, this characteristics can be used to follow the velocity signal of motor vibration.

    分解本身信号奇异十分敏感特点可以用来跟踪电机振动速度信号。

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  • The conversion mechanisms of a chemical signal (gas concentration) into a physical signal (SAW phase velocity change) in SAW gas sensors and the way to separate them are discussed.

    讨论了SAW气体传感器中把化学信号(气体浓度)转换物理信号(SAW速度变化)的机制以及将它们彼此分离开来方法

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  • The method of the two-channel optical fiber reflecting for particle velocity measurement was adopted to get the time sequence signal of moving particle velocity in the fluidized bed.

    实验采用光纤反射式速度测量原理,获得颗粒速度时间序列信号,通过对双通道信号互相关分析获得取样点的颗粒速度;

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  • For a typical magnetic needle, the initial signal peak became proportional to the velocity step after a threshold value of velocity was over taken.

    某个特定探针来说初始信号峰值速度正比条件速度大于某个阈

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  • In dynamic state the velocity of the sediment-laden flow and Doppler signal characteristics are measured.

    动态测量了浑水流动速度多普勒信号特性

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  • In dynamic state the velocity of the sediment-laden flow and Doppler signal characteristics are measured.

    动态测量了浑水流动速度多普勒信号特性

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