• 运用相位组合技术,行人相位机动车相位各种可能组合进行了研究提出了二次过街条件下行人相位设计方法

    This paper studied all the possibility of combination between pedestrian phases and motor phases, and put forward the design method of pedestrian phases under the condition of twice -cross street.

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  • 连续相位调制由于具有恒定包络幅度任意的调制信息序列能保持信号相位连续,从而能够有效的改进信号的频谱特性。

    The continuous phase modulation has the constant amplitude and its phase is continuous, which make the signal has a very good power spectrum.

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  • 根据研究电弧电网影响机理及策”时相位检测精度的问题,提出提高谐波相位检测精度的解决方法

    Based on the study of the arc harmonics measurement, a method called divided-error is introduced to improve the phase measurement accuracy in this paper.

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  • 测量技术中的条纹强度量化所引起相位误差进行了定量研究。

    The effect of the quantization of the fringe intensity on the phase error in phase shifting measurement is formulated.

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  • 相位相关角度运动估计进行了研究提出一种新的基于相位相关运动估计技术

    Research motion estimate by phase correlation way, bring forward a new technique of motion estimate on the base of phase correlation.

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  • 介绍了一台自制利用相位测量光速的仪器基本原理方法通过空气中的传播速度测定,使大家相位变化测量光速仪器有所了解

    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.

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  • 利用简单电路构成实时相位检测器干涉信号中的相位信号进行同步检测,最终获得实际振动的振幅频率

    The real time phase detector is constructed with a simple circuits. The amplitude and frequency of the vibrations are measured by synchronously detecting the phases in interference signal.

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  • 抛物面反射相比,菲涅尔相位修正平面反射器相位效率因子天线效率的影响显著。

    Compared with the parabolic reflector, a phase factor is of most importance in the efficiency evaluation of Fresnel zone phase-corrected plate (FZP) ones.

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  • 阐述天线相位中心基本概念,定量研究了天线相位中心移动GPS观测量的影响。

    This paper presents a concept of antenna phase center. Effects of antenna center movement on GPS observables are studied.

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  • 相位干涉仪测向系统中,通常认为基线倾角相位影响可以通过几何投影的方法得到等效基线来消除的。

    In the system of measuring Angle of phase interferometer, it is considered that the impact brought by baseline obliquity on phase can be eliminated by equivalent baseline from geometric projection.

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  • 噪声相位展开影响,在原有的相位展开算法基础上提出了基于多点的抗噪区域展开

    Based on original unwrapping-phase method, a new phase unwrapping algorithm is presented, which is by region and multi-point, and against noise effect.

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  • 本文从中国混合交通国情出发,提出混合交通信号相位优化算法信号相位进行全局优化。

    According to the situation of China that there are a considerable number of bicycles on the roads, signal phase optimization algorithm under mixed traffic condition is presented.

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  • 本文通过研究发现复小波变换相位信息用于频率检测谐波分析,提出了基于复小波变换相位信息的频率和谐波检测算法

    A novel method is proposed in this paper by research on complex wavelet, in which phase information of complex wavelet transforms is used to detect frequency and harmonics.

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  • 这一特点,介绍采用实时模糊定时控制交叉口相位信号进行动态控制系统,并提出了一种改进的单交叉口多相位信号实时配时模型。

    According to the characteristics, one kind of system was described that used real-time fuzzy and the timed control to carry out the dynamic control of the multiphase signal of isolated intersection.

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  • 根据子振幅估算最小子波已有多种方法,本文用希尔伯特变换法、同态法、相位子波法、松弛迭代法等估算最小相位子波,进行了详细的分析。

    Among the methods for estimating the minimum phase wavelet from its amplitude spectrum, methods of Hilbert-transform, of homomorphy, of zero-phase wavelet and of relaxation-iteration are analysed.

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  • 通过CA15EQ 6100型发动机配气相位计算分析了影响配气相位主要因素

    Through the valve timing calculation for CA15 and EQ6100 engines, some main factors influencing the valve timing are analyzed.

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  • 相位突变频率突变情况进行了仿真研究,说明相位和频率发生变动三相锁相环仍有效地锁定相位,能够满足系统变频的要求。

    The simulation results prove that the three-phase phase-locked loop can work well in disturbance situation and variable frequency system when the frequency of the inputs is variable.

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  • 根据综合研究非线性效应考虑,本文研究了自相位调制交叉相位调制四波混相位匹配影响,在一定的简化下得到了解析的结果。

    By following the way of studying the nonlinear effect as a whole, the influence of the SPM and XPM to the phase matching condition of FWM is studied.

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  • 直线相位编组进行改进,提出了种在边缘检测基础进行相位编组提取直线的方法

    The paper presents a new phase-grouping lines extraction method based on edges detection, which improves the traditional phase-grouping lines extraction method greatly.

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  • 讨论影响干涉相位质量因素基础上,深入分析了基线相干多普勒去相干的成因及其干涉相位的影响。

    Under the discussion of IP decorrelation, a thorough analysis is conducted of generating mechanisms of baseline decorrelation and Doppler decorrelation and their effects on IP.

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  • 本文通过计算多相编码信号MPSK相邻元间误差能量的方法来确定相位突变从而达到MPSK信号相位编码规律识别

    In this paper, phase variation value is defined with help of calculating error energy of adjacent code cells of MPSK signal, so that recognition of MPSK signal phase encoding rule can be realized.

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  • 方法图像分别进行一次涅耳变换分数里叶变换,图像的菲涅耳和分数傅里叶域上分别利用随机相位版施行相位编码

    In this paper, image is Fresnel transformed and Fractional Fourier transformed successively, and phase encoding is implemented in both Fresnel domain and Fractional Fourier domain.

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  • 加权相位梯度自聚焦(PWEPGA算法考虑距离变化相位误差影响,扩展了PGA算法的应用范围

    Phase Weighted Estimation PGA(PWE PGA)is suggested which takes into consideration the range dependent phase error, so the PGA can be used in more fields.

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  • 传统光学相位差放大方法相比,数字法相位差放大实验装置要求较低,并且具有易于抑制噪声载波因子可调等优点。

    The method does not need an excellent test setup, and is more easy than conventional optics methods to restrain noise and adjust carrier parameter.

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  • 本文根据边界衍射理论分析了相位衍射现象得出上光解析表达式,并高斯光束相位片衍射后的轴上光强进行了数值计算和讨论。

    The diffraction phenomena by a circular aperture or a phase plate is analyzed by the boundary diffraction wave theory, the analytic expression of its axial intensity is obtained.

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  • 通过两种原始信号利用相位信息进行重构得到的信号进行波形频谱比较,验证了这种多比特相位量化仿真模型正确性

    The simulation model is validated through waveform or frequency spectrum comparisons of two original pulse signals and restructured signals utilizing phase information.

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  • 相位激光测距仪中,信号初始相位稳定性测距仪的测量精度非常重要

    The initial phase relative stability of signal is very important to digital phase range finder.

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  • 由于多点回波叠加区域相位并不准确,而且相位解缠中影响判别,因此叠掩区域进行识别具有重要意义。

    The interferometric phase of layover region is not accurate due to the superposition of multi-echo, it makes the discrimination difficult in phase unwrapping.

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  • 合适初始脉冲时延初始脉冲啁啾有利于频域相位共轭技术交叉相位调制所致信号失真抑制

    Suitable initial time delay and pulse chirp of pulses can improve the suppression and compensation for the distortion.

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  • 合适初始脉冲时延初始脉冲啁啾有利于频域相位共轭技术交叉相位调制所致信号失真抑制

    Suitable initial time delay and pulse chirp of pulses can improve the suppression and compensation for the distortion.

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