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时延
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  time delay
    High resolution methods for time delay estimation
    时延估计的高分辨方法
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    Generalized multi-channel correlated time delay estimation based on path difference and DSP implementation
    基于声程差的多通道广义相关时延估计及其DSP实现
短句来源
    Parameter and time delay estimation of ultrasonic multi-mode Lamb waves based on wavelet transform
    基于小波变换的超声多模式兰姆波参量时延估计
短句来源
    A Wiener weighting algorithm of adaptive time delay estimationin frequency domain
    一种维纳加权频域自适应时延估计算法
短句来源
    Study of 4-channel underwater acoustic communication based on pattern time delay shift coding system
    Pattern时延差编码四信道水声通信技术研究
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  “时延”译为未确定词的双语例句
    Study of vibrational dephasing processes of dye molecules in excited electronic states by time-delayed four-wave mixing with incoheretn light
    染料分子电子激发态振动失相过程的非相干光时延四波混频研究
短句来源
    Yang, the random fluctuations factors are introduced.
    Yang提出的具有时延和非线性的小世界网络模型的基础上引入随机涨落因子。
短句来源
    Study of complex behavior in a time-delayed van der Pol's electromagnetic system(Ⅰ)——The phenomena of bifurcations and chaos
    一种时延范德波尔电磁系统中的复杂行为(Ⅰ)——分岔与混沌现象
短句来源
    So chirped fiber gratings have broad reflection bandwidth.
    所以chirped光纤光栅具有宽的反射带宽,在反射带宽内具有渐变的群时延等其它类型的光纤光栅所不具备的特点。
短句来源
    In this thesis,the spectral characteristics of a fiber grating are analyzed by using the coupled mode theory. The influences of various structural features such as the length,chirp,coupling coefficient and aperdization to the spectral characteristics were studied numerically with a transfer matrix method.
    首先论文利用耦合模理论对光纤光栅的光学特性进行了详细的分析,在对比了龙格库塔法和传输矩阵法这二种常用的分析方法的基础上,选择传输矩阵法着重研究了光纤光栅长度、啁啾系数、耦合系数以及各种切趾函数与其反射谱谱宽、反射率极值、时延、色散等特性的相互关系及影响。
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  time delay
Existence of positive solution for a two-patches competition system with diffusion and time delay and functional response
      
It is shown that in this model the time delay can make a stable equilibrium become unstable and even a switching of stabilities.
      
In this paper, traveling wavefront solutions are established for two cooperative systems with time delay and non-local effects.
      
This paper deals with the problem of norm bounds for the solutions of stochastic hybrid systems with Markovian switching and time delay.
      
Virtual reality is an effective method to eliminate the influence of time delay.
      
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This article shows that, when a complex impulse signal passed through correlation processing, the fluctuation of its ambiguity function will relate to the fluctuation of the input propagated signal of the correlator. We emphasize the case of linear frequency-modulation impulse in the real calculations. The standard deviation of fluctuation of ambiguity function (or its peak value) equals the sum of the square of input signal amplitude fluctuation coefficient and the square of phase fluctuation deviation, i.e....

This article shows that, when a complex impulse signal passed through correlation processing, the fluctuation of its ambiguity function will relate to the fluctuation of the input propagated signal of the correlator. We emphasize the case of linear frequency-modulation impulse in the real calculations. The standard deviation of fluctuation of ambiguity function (or its peak value) equals the sum of the square of input signal amplitude fluctuation coefficient and the square of phase fluctuation deviation, i.e.

本文所讨论的是,复杂脉冲信号经过相关处理之后,其模糊度函数起伏与输入相关器的传播信号起伏之间的联系。在具体计算中,着重于线性调频脉冲情况,得到模糊度函数(或其峰值)起伏的平方差,等于输入信号振幅起伏率与相位起伏方差之平方和,即式中,“权重”A和B与输入信号振幅及相位起伏的时间相关半径、脉冲长度、时延等有关。

This paper illustrates essentically the transfre process of a motion image for the delay imaging system, and proposes a mathematical and physical models for deriving line spread function of motion image and its frequency spectrum. According to the model, the analytical expressions of the line spread function of an image under uniform motion and simple harmonic motion aer derived. Their computational ersults are given and disccused.

本文从本质上阐明了时延成象系统的动象传递过程,提出了求解动象线扩展函数及其频谱的数学物理模型。按此模型,导出了匀速动象与简谐振动动象的线扩展函数及其频谱的解析表达式,列出了计算结果,并进行了讨论。

A stable output of laser power is very important for laser micro-

如何获得稳定的激光功率输出,对激光显微光谱分析以及激光测量通讯等许多领域无疑是十分重要的课题。本文着重叙述了用光纤束传导的加压式光反馈电光调 Q 激光的理论与实践,比较了时延与微小激光光反馈以及超幅射光反馈等三种调 Q 方式,结果是超幅射光反馈电光调 Q 获得了满意的稳定激光功率输出,其输出激光峰值功率偏差低达3%。同时扼要地介绍了激光电源和器件的情况,并对实验现象作了一些讨论。

 
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