这种方法可应用于任何波段,尤其是一般测量方法难以实现的高频波段的天线相位方向图测量。
This method may be applied in any waveband especially in high-frequency waveband where antenna phase...
如果任意方向转动30度就可以使刑相位消失,如果东移30度,就在巴西,但是冥王就落天底冲中天。
Squares to the Mid-Heaven can be dealt with by traveling 30 degrees in either direction. 30 degrees east of New York would have put her in Brazil.
提出了解相关同步CD MA系统一种联合波达方向(DOA)估计与相位标定算法。
A joint direction of arrival (DOA) estimation and phase calibration for synchronous CDMA system with decorrelator are presented.
后备继电系统将设置第一、第二与第三区方向距离继电器,以防相位故障与接地故障。
The backup relaying system will have first, second, and third zone directional distance relays for protection against phase and ground faults.
由于散斑图中随机噪声的存在,数字散斑中的图像处理、包裹相位的展开以及计算速度与精度的问题,仍是当前散斑研究的主流方向。
Image manipulation, unwrapping of wrapped phase, calculation speed and precision are still the mainstream study direction due to amounts of speckle noise.
为克服这一局限,提出将矩分析理论应用于各方向的相位数据综合之中。
To overcome this limitation, Moment Analysis Theory is used to the phase data integration in each direction.
通过在微带漏波天线的辐射边缘周期性地加载微带电感,可减小微带漏波天线的相位常数,进而减小微带漏波天线的主波束方向角。
The phase constant of MLWA decreases with microstrip inductors loading along the leaky line, which results in the decrease of the main beam direction angle of MLWA.
相位编码方向对成图的质量及数值的准确性方面贡献不大。
Changing the phase encoded direction had little to do with the accuracy of FA value.
利用虚拟累量域波达方向矩阵的特征值的幅值和相位信息,就可以求出信号源的方位角和俯仰角。
The azimuth and elevation of the incident sources can be estimated respectively from the amplitude and phase information of the eigenvalues of the new matrix.
利用电磁暂态程序emtp进行机理分析的结果认为:短路电流起始相位的随机性以及互感器铁心剩磁方向的随机性会导致上述现象的出现。
With simulation by emtp it shows that both the random initial phase of short circuit current and the random direction and value of residual magnetism are the reason of above-mentioned phenomenon.
晶体倍频中当晶体表面法线与相位匹配方向不一致时,需调整入射光方向使相位失配最小。
It is necessary to adjust the direction of incident light for minimum phase mismatching when the direction of phase matching deviated from crystal normal direction.
从相应正弦波求得的振幅和相位变化率可以检测平面波的入射方向和功率谱。
Derection and power spectrum of an incident plane wave are estimated by evaluating amplitude and rate of phase change of the corresponding sinusoidal wave.
得到了感应信号的幅度与相位沿水平和竖直方向的变化规律,绘制了敏感性变化曲线。
The changing rule of the amplitude and phase of the sensing signal along horizontal and vertical directions is determined, and thus the sensitivity curve is achieved.
图像特征检测是图像处理技术与应用的基础,而利用相位信息进行图像特征检测是新的研究方向。
Image feature detection is the basis of the techniques and applications of image processing. However, the use of phase information for image feature detection is a new research focus.
给出了偏振光分束器任一个偏振方向上的光强随单个波片相位延迟变化的关系,并从实验上验证了这一关系。
It also shows the relationship of light intensity in any direction of polarization splitter and phase delay of a single plate within PC, and proves the result by experiments.
激光束通过有湍流的大气传输时,其强度、相位和方向都会受到扰动而出现相应的随机变化。
When laser beam transmit through air, the intention, phase and direction will be changed random for the disturb of over-fall.
午夜时分,月亮所处相位由下弦月稍稍出移,昴宿星云将升至东方天宇的东北方向。
The moon is a touch past last quarter phase as it and the Pleiades star cluster rise over your east-northeast horizon around midnight tonight.
实例表明,本文所提出的方法可以较准确地判断出天线相位中心水平偏差的大小与方向。
An example explains that the method in this paper can estimate exactly the bias and its direction of the phase center bias in an antenna of GPS receiver.
然后在设定由随机表面误差引入的口径相位误差服从均值为零的正态分布的条件下,推导了天线平均功率方向图的计算公式。
Secondly, on the assumption that the phase error on the aperture led by the random surface error obeys the Gaussian distribution with zero mean, the expression of the average power pattern is deduced.
两个桥臂之间相位移发生变化时变压器和电感的感应电压以相反的方向变化。
The volt-second product in these components changes in the opposite direction with a change of phase shift between the two bridge legs.
当装配偏移方向与入射波极化方向正交时,出现较大相位延迟。
And there is much more phase delay, when the fabrication excursion is perpendicular to the incident wave polarized direction.
转子的转动方向取决于哪个绕组的相位是超前的。
The direction of the rotor rotation depends on which voltage (exciting or control) is phase-leading.
提出了一种记录多方向全息相位光栅的新光路,详细介绍了此光路的调整方法。
A new recording system for generating the multidirectional holographic phase gratings is presented. An adjusting method of the system is discussed in detail.
为了充分利用发射功能组件的能力,在发射模式中对方向图零点的控制应该采用唯相位的波束置零方法。
In order to make full use of the abilities of transmitting function modules, Phase-Only method is an optimal solution for radiation nulling.
最初在通信领域人们通过改变阵元激励信号的相位达到改变天线阵方向图波束指向的目的,从而相控阵天线应运而生。
In communication fields wave orientation of antenna array can be changed by the phase of stimulus signal, which is called phased array.
在旋转电弧信号的频域分析中,其特征谐波的相位反映了焊缝方向与焊接方向的初始夹角。
In frequency analysis of rotating arc signal, the phase of harmonic characteristic reflects the initial Angle between weld direction and seam's direction.
并且用MATLAB编写程序,计算了其幅度相位加权后的理想方向图。3、天线五个不同指向波束的形成。
And to write programs using MATLAB to calculate its amplitude and phase weighted ideal pattern. 3, the antenna beam pointing to the formation of five different.
方向性是ESPI条纹图与相位图的一个重要特征,对于指导滤波具有重要作用。
Directivity is a very important characteristic of ESPI fringe patterns and phase patterns, and it plays a very important role in directing the filtering process.
方向性是ESPI条纹图与相位图的一个重要特征,对于指导滤波具有重要作用。
Directivity is a very important characteristic of ESPI fringe patterns and phase patterns, and it plays a very important role in directing the filtering process.
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