• Moiré fringe; phase-difference filtering; scanning reticle; high harmonic generation;

    莫尔条纹;相位差滤波; 指示光栅;高次谐波;

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  • A bearing sequence estimation technique based on adaptive phase-difference estimator is presented in this paper.

    本文提出一种基于自适应相位差计的方位序列估计技术。

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  • The only significant difference is the length of each phase.

    唯一重要的不同是每个阶段的长度。

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  • If you're dealing with only a single observation point, which is usually the case, you can use either the capture or bubbling phase — there's no real difference.

    如果处理单个观测点——这也是最常见的情况,使用哪个阶段都行,两者没有实际区别。

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  • The difference, however, is the focus within the activities in the phase.

    不过,其区别在于阶段中的活动重点。

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  • Compared with the original two kinds of Phase-Difference Correction, only one sequence of time-domain signal is sampled and FFT analysis of same points is performed twice in this method.

    与原两种相位差法相比,这种方法只采一段时域信号,且进行两次相同点数的FFT分析。

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  • Phase difference between the e. m. f. of an alternator taken as a reference and that of another alternator or that of an infinite bus.

    作为参考的交流电机电动势与另一台交流电机或无限大母线电动势之间的相角差。

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  • Two signals from the mass flowmeter are filtered by no change of phase, and the phase difference is given by zero passage arithmetic.

    两路信号数据采集后使用了无相位变化的滤波方法,通过过零点算法计算出得出相位差。

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  • In addition to alternating phase difference between two aims of interferometer, the intensity of light of the interference fringes will vary in the same frequency, which is called as phase modulation.

    当两相干光附加一按固定频率变化的相位差时,其干涉条纹的光强将随之交变,即为相位调制干涉。

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  • It integrates advantages of present schemes and avoids the unreasonable blocking for single unqualified parameter, such as the frequency difference, the phase difference or the voltage difference.

    该方法综合了现有方案的长处,可避免单一参数(频率差、相角差或电压差)不满足就闭锁快切的弊端。

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  • The phase difference between the signals from beam forming net can affect the modulation index of single channel signal and can lower the precision of tracking.

    和差网络输出的和差信号相位差会影响单通道信号的调制度,进而降低跟踪精度。

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  • Another difference between oncology and conventional drugs is the endpoint of most Phase III trials.

    肿瘤药物和常规药物的另一个区别在于大多数三期试验的终点。

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  • Phase difference between two signals?

    两个信号之间的相位差?

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  • Phase difference amplification (PDA) was proposed as a means of improving phase resolution and accuracy in interferometric measurement.

    相位差放大技术(PDA)是干涉测量领域里一种提高相位分辨率和测量精度的手段。

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  • A new single-station passive location method combining phase difference and UKF algorithm is presented.

    提出了相位差与无迹卡尔曼(ukf)算法相结合的单站无源定位方法。

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  • Under the condition of phase difference given, the bond-length and dissociation energy calculated are quite consistent with the experimental values.

    在特定相位条件下,由此计算出的键长和离解能与实际值相吻合。

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  • Utilizing the regularity of phase difference between period signals, phase processing is made on comparison signals, which reduce effectively quantified error.

    这个方法利用了周期性信号间相位差变化的规律性对比对信号进行相位处理,有效地减小了量化误差。

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  • VI program can be used to measure phase difference of two signals with same frequency too.

    利用这个VI程序还可以测量两个同频率信号的相位差。

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  • A new instrument which can measure the phase difference by 8051 microcontroller and LED digital display current driven by MAX7219 is introduced.

    介绍了一种主要由8051单片机、MAX7219驱动的LED数码显示电路构成的相位差测量仪。

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  • The phase difference of mass unbalance and bend of rotor will affect the size of coupling zone and the coupling vibration in two coupling zones.

    质量偏心与转子弯曲的相位差会影响耦合区的大小及耦合区内的耦合振动;

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  • The results of simulations and experiments have proven that this method has extremely high precision while calculating the phase difference.

    实验结果表明该方法在求取相位差时具有极高的精度。

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  • In this paper, the single observer-passive location method using phase difference change rate is introduced based on existing methods.

    该文在现有单站无源定位方法的基础上,介绍了相位差变化率定位法。

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  • The theories of the sample integral and the cross - mutuality for the sinusoidal signal phase difference estimation are analyzed, and the digital simulation experiment is carried out.

    对正弦信号相位差估计的取样积分和互相关两种方法的理论进行了分析,并进行了数字仿真实验。

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  • On the basis of this method, and taking advantages of the methods-time-domain translation as well as the window length change, the uniform formula for the phase difference correction is derived.

    在此基础上,将窗中心平移法与时域平移和改变窗长法综合应用,推导出相位差校正的统一公式。

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  • For the problem of the parameter estimation of multi-component chirp signal in the additive colored noise, a method based on phase difference and time-frequency signal filter was proposed.

    针对加性色噪声背景下的多分量线性调频信号参量估计问题,提出了基于相位差分的时频子空间方法。

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  • With its narrow operating frequency scope and low measuring precision, traditional phase difference measuring system can 't satisfy the requirement of modern phase array technology.

    传统的相位差测量系统,因其工作的频段窄,测量精度低,已不能满足现代相控阵技术的要求。

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  • In this paper, the control of the atomic spontaneous emission is discussed by using the relative phase difference of the polychromatic field and certain results are obtained.

    本文对利用多色场的相对相位控制原子的自发辐射问题进行了讨论,并得到了一定的结论。

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  • This article introduced the basic theory and method of measuring the velocity of light using the method of phase difference and how to measure the velocity of light using phase difference in air.

    介绍了一台自制的利用相位差法测量光速的仪器的基本原理和方法,并通过对光在空气中的传播速度的测定,使大家对用相位变化测量光速仪器有所了解。

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  • A novel method of phase difference estimation under Gaussian noise is proposed to improve the precision of Coriolis mass flowmeter.

    为提高其精度,提出了一种高斯噪声背景下的科氏质量流量计相位差估计新方法。

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  • A novel method of phase difference estimation under Gaussian noise is proposed to improve the precision of Coriolis mass flowmeter.

    为提高其精度,提出了一种高斯噪声背景下的科氏质量流量计相位差估计新方法。

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