给出了计算阵列透镜配相、介质透镜外形曲线和平面相控阵天线孔径相位的若干计算公式。
Many formulae used to calculate fixed phase distribution for the array lens, configuration curve of the dielectric lens and aperture phase of a feed phased array are derived.
大气激光通信系统的误码率不仅受到振动时振幅大小的影响，而且受到光学发射天线孔径的影响。
The bit error rate of an atmospheric laser communication system is affected by not only vibration amplitude but also the aperture of optical transmitting antenna.
相控阵雷达通过电的方式控制天线孔径面上各辐射单元的相位变化，以实现波束的快速扫描，使其具有灵活、变化快速、多功能等优点。
Phase Array Radar can scan beams fast by controlling the phase of radiator elements in the antenna aperture surface, which shows many excellences such as agility, change celerity and multifunction.
当多数常规机载雷达依靠机械扫描天线收发信号的时候，有源电子扫描阵列(AESA)传感器却使用固定的孔径。
While most conventional airborne radars rely on some form of mechanically scanned antenna to transmit and receive signals, active electronically scanned array (AESA) sensors employ a fixed aperture.
基于稀疏综合孔径天线概念，研究了平流层飞艇载对地观测成像雷达系统中的重要问题。
Based on the concept of aperture synthesis sparse antenna, the imaging radar on the stratosphere airship for the earth observation is investigated.
这为合理选择光学发射天线的孔径提供了理论依据。
This provides theoretical basis for reasonably selecting aperture of optical transmitting antenna.
一般非综合孔径雷达的方位分辨率受天线波束宽度的限制。
Angular resolution of a real aperture radar is limited by the beam width of the radar antenna.
机载合成孔径雷达使用陀螺稳定平台使天线在惯性空间保持稳定并跟踪地速方向。
The airborne SAR (Synthesis Aperture Radar) USES a stabilized platform to make the antenna stable in the inertial place and trace the velocity to the ground.
提出了一种基于双孔径天线沿航迹向干涉SAR进行动目标检测、测速及定位的新方法。
In this paper, a new method of moving target detection, radial velocity estimation and relocation based on dual aperture antenna along track interferometric SAR is proposed.
在阵列信号处理中，利用四阶累积量可以使阵列虚拟扩展，增大了天线阵的孔径，但同时也增加了算法的计算量。
In array signal processing, the fourth-order cumulant can be applied to extend array virtually and enlarge aperture of array antenna, but computation load of algorithm would also increase.
本文寻求一种在扫描实孔径雷达中，利用方位信号处理获得优于天线波束宽度的角分辨力的途径。
This paper concentrates on the problem of finding a way to obtain angular resolutions better than the beam width of real aperture radars by means of azimuth signal processing.
分析发现，只有当孔径大于一定的尺寸(约0 . 2 0个波长)时，天线增益和副瓣电平才会发生明显变化。
Analysis shows that, only when the size of the hole is larger than 0.2 wavelengths will the variation of the antenna gain and the side-lobe level become obvious.
针对超高频机载合成孔径雷达天线小型化、高增益和宽频带的问题，分析了短背射天线缩小背腔的增益损失。
To meet the requirements of miniaturization, high gain and wideband of UHF antenna for aircraft SAR, the gain loss produced by narrowing back cavity of short back radiation antenna is analyzed.
这样，利用多普勒频移现象“合成”一个更大的孔径，达到“增加天线长度”的效果，提高雷达图像的方位向分辨率。
So, a larger aperture can be composed, and we obtain a good purpose of increasing the length of the antenna, and we obtain a better Radar image on the orientation.
该文设计了共用一个物理孔径的双频双极化的微带天线。
The dual-frequency and dual-polarization microstrip antenna for space-borne SAR application is presented.
实孔径天线方向图的加权效应会影响多视处理对信噪比的改善程度。
Weighting effect of real antenna pattern will improve the SNR in mp.
将电磁带隙材料用于孔径耦合微带天线的设计，利用其频率带隙抑制天线中激励的表面波，分别考虑高介电常数和低介电常数的情况。
The electromagnetic band-gap (EBG) materials is used to design the aperture coupled patch antennas, and both high permittivity and low permittivity materials are considered in this paper.
从超宽带雷达天线、UHF/VHF波段接收机噪声温度以及最小可检测的信噪比三个方面研究了超宽带合成孔径雷达方程。
Three subjects-UWB radar antenna, UHF/VHF band receiver noise temperature, and the target detection from background, which are main factors in UWB SAR range equation, are studied.
但是，基于移相器的普通相控阵天线在进行宽带宽角扫描时，由于渡越时间和孔径效应的影响，使信号的瞬时带宽受限。
However, the instantaneous bandwidth of signals is restricted for general phased array because of its transition time and aperture effect.
突破了单星雷达受天线基线长度的限制，具有更窄的波束宽度，但是会产生较多的孔径干涉栅瓣。
A long baseline with narrower beamwidth can also be provided by distributed space-based radars at the cost of appearing grating lobes.
突破了单星雷达受天线基线长度的限制，具有更窄的波束宽度，但是会产生较多的孔径干涉栅瓣。
A long baseline with narrower beamwidth can also be provided by distributed space-based radars at the cost of appearing grating lobes.
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