水平极化
- horizontal polarization
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本文给出了一种应用于无线局域网(WLAN)的宽波束水平极化天线。
A horizontal polarization antenna for WLAN is illustrated .
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结果:水平极化方式下测得的呼吸波信号幅值大于垂直极化方式下测得的呼吸波信号幅值,水平极化与垂直极化测得的呼吸信号能量有统计学意义(P0.01)。
RESULTS : The amplitude of respiration wave in horizontal polarization mode was higher than that in vertical polarization mode . Significant difference existed in the power in the two polarization mode s ( P0.01 ) .
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水平极化EMP模拟器参考场位置的选取
Selection of Position for Reference Field of Horizontally Polarized EMP Simulator
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然后采用IPIX雷达海面回波中的水平极化雷达数据对BP神经网络进行训练,结果表明所设计的BP神经网络能够很好的模拟海杂波,单步预测误差较小。
At last we present a methord for the detection of signals in sea clutter , which is based on the error energy of the BP neural network .
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极小过程的Martin边界与R-K紧化水平极化无方向性天线
The Martin Boundary of Minimal Processes and Ray-Knight Compactification ; horizonally-polarized non-directional antenna
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其二,采用共形天线阵的形式设计了两种全向水平极化X频段微带天线阵,一个是圆柱体赋形微带阵列天线,另一个是六棱柱赋形微带阵列天线。
Secondly , conformal array antennas are used to realize two X band array microstrip antennas . one is conformal array microstrip antennas on circular cylinder , the other is on hexagonal prism .
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用该法计算了高阶表面场分量的全极化后向散射SPM解和二阶场分量对水平极化双站及后向散射系数的修正解。
The full polarized backscattering coefficient of high-order surface electric field and horizontal polarized backscattering coefficient correction of second-order electric field were computed by this new method .
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本文还对BG算法做了进一步的拓展研究,即把BG算法扩展到极化效应中,在水平极化和垂直极化的基础上对该算法进行了简单的介绍。
This article also made a BG algorithm more extensive study , that the BG algorithm is extended to the polarization effect in water , in horizontal polarization and vertical polarization on the basis of the algorithm is a simple introduction .
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水平极化光在单轴吸收晶体中的传播
Propagation of Parallel Polarization Light in Single Axis Absorption Crystal
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天线具有较高的增益和良好的全向水平极化辐射特性。
These antennas have good characteristics of gain and omni-directional horizontally polarized radiation .
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水平极化移动接收天线的研究与设计
Research and design of horizontal-polarized mobile receiving antenna
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如果电力线与地面平行,其电波就叫做水平极化电波。
If the electric lines are parallel to the earth , the wave is referred to as horizontally polarized .
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根据短波传输的特点设计并研究了一种水平极化的全向振子阵。
A types of level omnidirectional arrays of antenna is designed and studied according to the characteristics of short-wave .
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结论:水平极化方式下的呼吸信号能量明显大于垂直极化方式。
CONCLUSION : Power of respiration signal in horizontal polarization mode is obviously higher than that in vertical polarization mode .
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另外,垂直极化方式下采用减缩方案的减缩效果要比水平极化方式效果好。
Besides , the effect of RCS reduction in vertical polarization way is better than that of in horizontal polarization way .
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当被测对象站立时,天线水平极化方式的检测效果好于垂直极化方式。
When testing the standing objects , the detecting effect in horizontal polarization mode is better than that in vertical polarization mode .
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水平极化半全向天线,用传统方法实现具有较大难度。近地水平接地天线的数值分析
The designation of horizon polarized half omnidirectional is very difficult . Numerical analysis of horizontal wire antenna connecting ground above multi-layered medium
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对一种与发动机舱融合设计的直升机进气道在垂直极化方式、水平极化方式下进行了电磁散射特性减缩方案研究。
An experimental study of RCS reduction for a helicopter inlet syncretized with engine cabin was completed in vertical and horizontal polarization ways .
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适当增加旋转场单元天线的个数和选择阵间距离,还可以加强垂面水平极化场的方向性。
The swirling field antenna has the propriety of both equal radiation in the horizontal plane and powerful directionality in the perpendicular plane .
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本文给出了考虑大地的影响计算水平极化的广播电视发射天线和垂直极化的移动通信基站天线在空间产生的场的计算公式。
The calculation formulas of the electromagnetic field produced by the emission antenna of broadcasting and television emission towers and mobile communication stations are given .
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计算结果表明高压输电线对水平极化电视波的散射影响较大,而对垂直极化电视波的影响微弱。
The scattering effects of High voltage transmission lines on horizontal polarization waves ( corresponding to TM mode ) are greater than on vertical polarization waves ( corresponding to TE mode ) .
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水平极化无方向性天线象素陈列在象素走向方向上的尺寸与在行进向方向上的尺寸之比。
Horizonally-polarized non-directional antenna The ratio of the dimension of a pel array in the direction of the pel path to the pel path to the dimension on the direction of the line progression .
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水平极化天线接收的数据与垂直极化天线接收的数据进行相关,自适应的估计出垂直天线接收中的干扰,然后对消掉它们。
The data received from the horizontally polarized antennas ( HPAs ) is correlated with the data received from the vertically polarized antennas ( VPAs ) to estimate and cancel the interference adaptively in the VPAs .
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为了使功分器各端口的幅度分布满足阵列在水平极化方向的泰勒分布,需要调节功分器上各条缝隙的倾角、切割深度。
In order to make the apertures distribution of the power dividers satisfy the Taylor distribution of the horizontally polarized direction of the array , the rake angle and depth of cut of each slot should be adjusted .
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该方法基于凸空间最优化的思想,修正水平极化辅助天线接收数据,设定最大的环境误差范围,保证在最差误差环境下的最优干扰抑制性能。
Based on the idea of convex optimization , we modify the sample of horizontal auxiliary channel , and get the best performance of interference rejection in the worst case error circumstance under the limit of maximum error bound .
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本文依据等离子体中电磁波的吸收衰减等方面的研究,对比垂直极化和水平极化的电场分量在等离子体中的衰减特性建立了模型,并通过仿真得到不同极化情况下的衰减曲线。
According to the electromagnetic wave attenuation problem in Plasma , in this paper , an attenuation model of vertical polarization and parallel polarization electric field are founded in Plasma , then , the attenuation curve in different polarization mode is emulated .
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介绍了平面电磁波的斜入射,推证了垂直极化波和水平极化波的反射系数和透射系数介质参数的关系式,讨论了全反射现象及其发生条件。
Oblique of plane electromagnetic wave is introduced , and the relationship formulas between medium parameter and reflection and transmission coefficient of vertical and horizontal polarization wave are proven . The phenomenon of complete reflection and transmission and their conditions occured are discussed .
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用基组展开和解析求导的方法精确计算Be原子SCF水平的极化率和超极化率。
In the present work the polarizability and the hyperpolarizability of Be atom are obtained at the SCF level with basis-set expansion and analytic derivation method .
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由于小麦植株与土壤的水平同极化后向散射差异较大,水平极化后向散射系数和小麦覆盖度及土壤含水量相关性达到显著;
The difference of the horizontal polarization backscattering coefficients of winter wheat and bare soil was great . Therefore , the horizontal polarization backscattering coefficient was significantly correlated to wheat coverage and soil water content .
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设计机顶盒的水平和垂直极化天线驱动电源
Design of Driving Power Supply for Horizontal and Vertical Polarization Antenna in Set Top Box