采用正交天线，不论信号来自任何方向，它接收到的都是最大值。
Because of using orthogonal antennas, it receives signal which from all-round is strongest intensity.
为了克服目标效应，将常规旁瓣对消系统的辅助天线改为双极化正交天线。
To overcome the signal effect, we renovate the auxiliary antenna in the conventional side lobe canceller system to two-orthogonal-channel polarization antenna.
在一定轴比带宽条件下，优化后的十字振子天线正交方向上圆极化轴比可以达到1。
Under certain axis ratio bandwidth, the circular polarization axis ratio of the optimized cross dipole antenna can reach 1.
两个初相不同的相参信号由两个在空间上正交的线极化天线单元辐射，将形成椭圆极化波。
Two coherent signals with different primary phases radiated by two orthogonal in-space linear polarization antenna elements form an elliptical polarization wave.
针对这种情况，本文给出了一种空时网格码的正交设计方法。 这种方法可以用来构造大天线数目的码字，从而避免了繁琐的码字搜索过程。
So we put forward an orthogonal method which can be used to design the STTC with large number of transmit antennas and avoid the complicated search for the code.
正交频分复用(OFDM)技术、单载波频域均衡技术(SC -FDE)和多天线技术都是有助于达到这一目标的有效技术。
Orthogonal frequency division multiplexing (OFDM), single carrier frequency domain equalization (SC-FDE) and multiple antennas technique are efficient techniques to achieve this goal.
本文提出了一种新的四天线准正交空时分组码的通用设计方法。
In this paper, a novel general design method of quasi-orthogonal space-time block codes for four antennae is presented.
利用该方法良好的收敛性，可以借助于电子计算机快速的构造目前已知的具有最大码率和最小解码时延的多天线复正交空时分组编码矩阵。
By the convergence of the method, we can fast construct a COSTBC matrix with the maximal rates and the minimal decoding delays that we all know now recur to the computer.
基于双衰信道的频域响应，提出了一类双衰信道下多天线正交频分复用（MIMO-OFDM）系统的最优化频域导频设计方案。
The model of the MIMO-OFDM system in doubly-selective channels is derived and a lower bound of mean squared error(MSE) of the channel estimator using frequency domain pilot is presented.
当使用三基线的天线阵时，在飞行机动较大的情况下采用近似正交布局的天线结构可以更好地估计姿态。
When three baselines are used, during the maneuver of the vehicle, the baselines that are nearly orthogonal can estimate the attitude better than other frames of baselines.
当使用三基线的天线阵时，在飞行机动较大的情况下采用近似正交布局的天线结构可以更好地估计姿态。
When three baselines are used, during the maneuver of the vehicle, the baselines that are nearly orthogonal can estimate the attitude better than other frames of baselines.
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