极化方式

水面船只SAR探测的极化方式研究

Polarization for Sea Surface Ship Detection with SAR

电导率断点主要受传播频率的影响，而与巷道横截面尺寸和极化方式几乎无关。最大应力出现在横截面上v为最大的地方。

The breakpoint is determined mainly by the frequency and nearly independent of the transverse dimensions of tunnels and the polarization modes . The greatest stress is found at the location on the cross section where V is the largest .

不同极化方式下复杂目标高频区的RCS计算

Computing the RCS of complex targets in high-frequency region for different polarizable modes

由于引入了电磁波的极化方式，极化SAR干涉测量比起传统的干涉测量具有更加广泛的应用。

Since polarizations of electromagnetic waves are employed , polarimetric SAR interferometry has more extensive applications than traditional SAR interferometry .

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 ) .

结果显示，ETFE薄膜驻极体具有优良的电荷储存稳定性，而且其沉积电荷稳定性与极化方式有关。

It was found that the charge stability of ETFE electret is very good , which is relevant to the poling modes .

采用外加电场极化方式对具有扇形光栅的0.5mm厚Z切铌酸锂晶体进行极化反转，制成了退火质子交换光波导。

The quasi phase matched second harmonic generation in periodically poled lithium niobate ( PPLN ) Z cut 0.5 mm thick annealed proton exchanged ( APE ) waveguide with fan grating was realized by applying an external field poling .

中国自主研制的环境减灾小卫星星座中的雷达卫星（HJ-1C），频率设计在S波段，采用VV极化方式，入射角范围是25°&47°。

HJ-1C is a component of HJ satellites which are developed in China . HJ-1C SAR has a frequency of S-band , VV polarization , and incidence angle from 25 ° & 47 ° .

仿真分析了入射波入射角度和极化方式对该频率选择表面的影响，发现该结构在45o范围内具有很好的角度和极化方式稳定性。

Finally , the influence of incidence angle and incidence wave polarization pattern on frequency response characteristic is studied and it is found that the frequency selective surface has very good angle and polarization stability within the 45o range .

天线极化方式户籍改革逆转

The Research of Antenna Polarization The Household Registering System Reform Reverse

对抗箔条云的最佳收发极化方式

Optimal Antenna Polarization of Transmitter and Receiver Against Chaff Dipole Cloud

船载卫通天线圆极化方式切换改进方案

Improvement Plan of Circular Polarization Switching of Ship Satellite Communication Antenna

天线的极化方式对生命探测仪检测效果的影响

Influence of two antenna polarization modes on detecting effect of Life-Detection Instrument

直接接触极化方式极化的面积能够达到基板的尺寸。

Besides , contact poling can provide poling size as large as the substrate size .

基于谱域分析方法，分析了结构在不同入射角度和不同极化方式下的频率响应特性。

Based on the spectral domain method , the frequency response is analyzed for different incident angles and polarizations .

通过分析散射系数与植物量的关系，得到不同类型的植物在不同入射角和极化方式下，植物量对后向散射总贡献的影响。

The dependence of relating σ° to vegetation parameter W , for different type plant , polarization and incidence angle .

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 .

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 .

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 .

对于一定频率范围的微波源而言，这种极化方式可扩大微波反射计可测等离子体密度范围。

It can be used for extending the measurable range of electron density for a microwave source with a fixed frequency range .

微带贴片天线具有结构简单、体积小、馈电灵活及极化方式多样化等众多的优点，在很多条件下都有着广泛的应用前景。

Micro-strip patch antenna has been widely used because of its simple structure , small volume , flexible feeding and diverse polarization .

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 .

介绍了金具上电晕放电辐射电磁波极化方式和横向分布特性的实验结果。

This paper reports the experimental results of both polarization characteristics and transverse feature of electromagnetic wave radiated from corona discharge of hardware .

为了克服电磁波极化方式和入射角度对结构双通带左手特性的影响，在此基础之上设计了一种多层单渔网结构。

In order to overcome the polarization and the incidence angle on the left-handed characteristics of the structure , we also designed a new multi-layered fishnet structure .

报告了环形回路中针&板电极电晕放电辐射电磁波的极化方式、方向图的实验结果。

This paper reports experiment results of both polarization pattern and orientation diagram of electromagnetic wave radiated from corona discharge between needle plate electrodes in a loop circuit .

天线的极化方式为圆极化，极化转换器采用圆波导加介质片结构，设计简单，性能较好；

The antenna is circular polarized , the equipment of circular waveguide loaded with dielectric patch is used , which has the characteristic of simple design and excellent performance .

分析研究了模型中的参数对辐射亮温的影响，这些参数包括发射率、污层厚度、绝缘子材质、工作频率、极化方式和测量角度等。

The model parameters are analysised . These parameters include the emission rate , contamination layer thickness , insulator material , operating frequency , polarization , and angle measurement .

方法：对10名受试对象分别采用水平和垂直两种极化方式采集呼吸信号，比较两种信号的幅值；

METHODS : Respiration signal in horizontal polarization and vertical polarization modes on 10 people were respectively sampled and the amplitudes of the two types of signals were compared .

本文对一种与发动机舱融合设计的直升机进气道在不同的极化方式、不同终端、不同攻角和方位角下的电磁散射特性进行了实验研究，分析了各种状态下雷达散射特性。

An experimental study of the radar cross section in a helicopter inlet syncretized with engine cabin was completed in different polarization ways , terminals , attack angles and azimuth .

运用拉格朗日乘子法求出了收发天线的最佳极化方式以增强信号抑制杂波干扰。

The purpose of this paper is to improve the received signal by study of the polarization character of target in snow clutter and finding the optimum polarization states of antennas .