正交极化

降雨衰耗对LMDS正交极化的影响

Effect of Rainfall on Orthogonal Polarization of LMDS

为了充分利用有限的频谱资源，卫星通信采用正交极化频率复用方式，在给定的工作频段上提供双倍的使用带宽。

In order to increase the efficiency on using limited frequency resource , orthogonal polarization is normally adopted for frequency reuse , thus offering double bandwidth at the certain working band .

研究了降雨对视距传输的LMDS正交极化产生的影响。

A research of the effect of rainfall on orthogonally polarized LMDS with line-of-sight transmission has been completed .

平板波导中正交极化的双光束的互陷传输

The mutually-trapped propagation of orthogonally polarized beam pair in plannar waveguides

非线性倒抛物型梯度折射率棒透镜两正交极化光束的物象变换

Object-image transformation of two orthogonally polarized optical beams in a nonlinear reversal parabolic graded-index rod lens

本文介绍由微波正交极化滤波器、两双曲面、五口喇叭、抛物面组成的双波段单脉冲雷达天线。

In this paper , a double-band monopulse radar antenna , composed of a double-hyperboloid reflector , a paraboloid reflector , and a five-horn feed with particularly designed T-junction filters is discussed .

在此模型基础上，针对基于正交极化双通道测量的信号极化矢量估计算法，研究了极化估计器的理论性能，证明了极化估计误差近似服从瑞利分布。

Theoretical performance of the polarization estimator is analyzed for the case of polarization vector estimation based on the dual-channel orthogonal polarization measurements . It is proved that the polarization estimation error obeys the Rayleigh distribution approximately .

还计算了单一的激光本征态本身分裂为两个空间分离正交极化的分支，并且有在其中包含特殊双折射晶体的情况。

Moreover , it leads to the prediction of so-called forked eigenstates , in which a single laser eigenstate itself is split into two spatially separated orthogonally polarized branches in one part of the cavity containing an extra normal birefringent plate .

从标量麦克斯韦方程出发，对一类克尔非线性倒抛物型梯度折射率棒透镜中两正交极化高斯光束，用变分法推导出并求解了无量纲束宽参量的非线性耦合微分方程。

The nonlinear coupled differential equations of dimensionless beam width parameters of two Gaussian optical beams with orthogonal polarization in a family of Kerr-law nonlinear reversal parabolic graded-index rod lenses are derived by using a variational approach based on the scalar Maxwell 's equations and then solved .

具有极化滤波的地波超视距雷达正交双极化天线

The Orthogonal Polarization Antenna of Ground Wave Over-the - Horizon Radar with Polarization Filter

六个单极对数周期天线单元组成的轴对称圆形阵列天线，能在超宽频带内产生正交双极化的和、差方向图。

An ultra-wideband tracking antenna array constructed by six log-periodic monopole antennas ( LPMA ) is designed , it can generate dual-polarized sum-and difference-patterns .

针对基于极化椭圆参数的信干噪比参量等式，提出一种基于极化椭圆参数的零导数正交搜索极化优化方法并进行了详细的讨论。

For the SINR ( signal-to-interference-and-noise-ratio ) equation based on the polarization ellipse parameters , an optimal polarization scheme called Zero Differential Orthogonal Searching ( ZDOS ) is suggested and discussed in detail .

一种用于MIMO系统超正交空时极化编码技术

Super Orthogonal Space-time-polarization Coding Under MIMO System

无论是线极化波，圆极化波，椭圆极化波，都可由两个同频率的其场矢量相互正交的线极化波组合而成。

Each of linear , circular and elliptic polarization wave can be decomposed two orthogonal linear polarization wave at the same frequency .

采用自适应极化滤波来克服同方位、同频率信号对地波超视距雷达的干扰，需要一个正交的双极化接收天线系统。

An orthogonal polarization receiving antenna system is needed to eliminate the inter - ference of the same direction and frequency to ground wave over-the-horizon radar ( GW-OTHR ) by adaptive polarization filter .

基于正交试验设计的极化磁系统参数优化设计方法的研究

Research on the parameters optimum design of polarized magnetic system based on orthogonal design

正交馈电宽带圆极化介质谐振器天线

Quadrature-Fed Wideband Circularly Polarized Dielectric Resonator Antenna