运用相位组合技术,对行人相位与机动车相位的各种可能的组合进行了研究,提出了二次过街条件下行人相位的设计方法。
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.
连续相位调制由于其具有恒定包络幅度且对任意的调制信息序列能保持信号的相位连续,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.
根据研究“电弧炉对电网的影响机理及对策”时相位检测精度的问题,提出了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.
对相位移测量技术中的条纹强度量化所引起的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.
从相位相关的角度对运动估计进行了研究,提出了一种新的基于相位相关的运动估计技术。
Research motion estimate by phase correlation way, bring forward a new technique of motion estimate on the base of phase correlation.
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。
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.
利用简单的电路构成实时相位检测器,对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.
同抛物面反射器相比,菲涅尔区相位修正平面反射器的相位效率因子对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.
阐述了天线相位中心的基本概念,定量研究了天线相位中心移动对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.
在相位干涉仪测向系统中,通常都认为基线倾角对相位的影响是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.
针对噪声对相位展开的影响,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法。
Based on original unwrapping-phase method, a new phase unwrapping algorithm is presented, which is by region and multi-point, and against noise effect.
本文从中国混合交通流的国情出发,提出混合交通信号相位优化算法对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.
本文通过对复小波的研究发现复小波变换的相位信息能用于频率检测和谐波分析,提出了基于复小波变换相位信息的频率和谐波检测新算法。
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.
针对这一特点,介绍了一种采用实时模糊和定时控制对单交叉口多相位信号进行动态控制的系统,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.
根据子波振幅谱估算最小相位子波已有多种方法,本文对用希尔伯特变换法、同态法、零相位子波法、松弛迭代法等估算的最小相位子波,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.
通过对CA15和EQ 6100型发动机配气相位的计算,分析了影响配气相位的主要因素。
Through the valve timing calculation for CA15 and EQ6100 engines, some main factors influencing the valve timing are analyzed.
并对相位突变和频率突变的情况进行了仿真研究,说明在相位和频率发生变动时三相锁相环仍能有效地锁定相位,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.
根据综合研究非线性效应的考虑,本文研究了自相位调制及交叉相位调制对四波混频相位匹配的影响,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.
对直线相位编组法进行改进,提出了一种在边缘检测基础上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.
在讨论影响干涉相位质量因素的基础上,深入分析了基线去相干和多普勒去相干的成因及其对干涉相位的影响。
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.
本文通过计算多相编码信号(MPSK)相邻码元间的误差能量的方法来确定相位突变值,从而达到对MPSK信号相位编码规律的识别。
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.
该方法对图像分别进行一次菲涅耳变换和分数傅里叶变换,并在图像的菲涅耳域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.
加权相位梯度自聚焦(PWEPGA)算法考虑了距离变化对相位误差的影响,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.
与传统的光学相位差放大方法相比,数字法相位差放大对实验装置要求较低,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.
本文根据边界波衍射理论分析了圆孔及相位片的衍射现象,得出其轴上光强的解析表达式,并对高斯光束经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.
通过对两种原始信号与利用相位信息进行重构得到的信号进行波形或频谱的比较,验证了这种多比特相位量化仿真模型的正确性。
The simulation model is validated through waveform or frequency spectrum comparisons of two original pulse signals and restructured signals utilizing phase information.
在相位激光测距仪中,信号初始相位的相对稳定性对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.
由于多点回波叠加,叠掩区域的相位并不准确,而且在相位解缠中影响判别,因此对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.
合适的初始脉冲时延和初始脉冲啁啾有利于频域相位共轭技术对交叉相位调制所致信号失真的抑制。
Suitable initial time delay and pulse chirp of pulses can improve the suppression and compensation for the distortion.
合适的初始脉冲时延和初始脉冲啁啾有利于频域相位共轭技术对交叉相位调制所致信号失真的抑制。
Suitable initial time delay and pulse chirp of pulses can improve the suppression and compensation for the distortion.
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