For the focusing current distribution over the antenna aperture, the authors have got the field distribution diagrams of the focus and around it.
对于天线口面上的聚焦电流分布，求得了聚焦点及其周围附近的场分布。
Azimuth resolution of meter wave radar can be improved by using super resolution spectrum estimation methods without extending the antenna aperture.
超分辨谱估计技术可以在不增大天线口径的情况下提高米波雷达的方位角分辨力。
This paper presents an idea for the average brightness temperature of antenna aperture and its expression for a lossless antenna with matched and unmatched noise sources.
本文提出了天线口面平均亮度的概念，给出了天线终端接有匹配噪声源和非匹配噪声源时天线口面平均亮温度的表达式。
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.
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。
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.
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。
A system consisting of a conducting target and an ideal aperture antenna is used to illustrate the electromagnetic process.
以一个金属目标和一个理想口径组成的系统为例，阐明了这类散射问题的电磁过程。
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.
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 large Hoop Truss Deployable Antenna (HTDA) in the space, with large aperture, light mass, big flexible character and so on, is type flexible multi-contact system.
空间大型环形可展天线具有展开口径大、质量轻、柔性大等特点，是一个典型的多柔体结构。
Based on the concept of aperture synthesis sparse antenna, the imaging radar on the stratosphere airship for the earth observation is investigated.
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。
The aperture field distribution of the ring focus antenna is reviewed in view of the energy conservation law, and the simple formula for calculating its radiation pattern is deduced.
该文从能量守恒观点出发，讨论了副面为椭圆的环焦天线的口径场分布，并导出了计算其方向图的简单表达式。
This provides theoretical basis for reasonably selecting aperture of optical transmitting antenna.
这为合理选择光学发射天线的孔径提供了理论依据。
Waveguide aperture phased array antenna is analyzed using the transparent source technique and the auxiliary fields FDTD. A method to calculate triangular lattice array is put forward.
有源结构中以波导口径相控阵天线为例，将透明源技术与辅助场FDTD结合起来，并提出了一种分析三角形栅格阵列的方法。
Millimeter-wave dielectric lens antenna is a kind of aperture antenna with high directivity.
毫米波介质透镜天线是一种高方向性的口径天线。
The simple formulae of fast calculating aperture antenna directivity and gain are derived using antenna beamwidths. Applied range of these formulae are analyzed and discussed.
导出了用天线方向图的半功率波束宽度快速计算口径天线方向性系数和增益的简单表达式，分析讨论了这些公式的应用范围。
Offset paraboloid antenna has widely been utilized in small aperture antennas.
偏置抛物面无线在小口径天线中得到了广泛的应用。
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.
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。
A holographic technique is investigated for amplitude and phase distributions in the aperture of a phased array antenna by using near field measurements.
研究了一种利用近场测量技术全息成像相控阵天线口径幅相的方法。
When a target is placed in the focal plane of a focused aperture antenna, the backscattered power from the target may be greatly enhanced by properly choosing the aperture distribution.
当目标处于聚焦天线焦平面上时，可通过选择口径分布来提高目标的后向散射功率。
Next the electromagnetic field on aperture was found, and then proceeded to sum up five common features of aperture field of parabolic antenna.
接着求出口径上的电磁场，进而归纳出抛物面天线口径场的四大共同特征。
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.
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。
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.
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。
This paper makes research on parabolic cylindrical antenna with feed for linear arrays, generates aperture-field analysis methods and simulation results of parabolic cylinder and feed.
本文对一种直线阵馈电抛物柱面天线进行了研究，并给出了抛物柱面和馈源的口径场分析方法以及仿真结果。
The adjustment method of feed aperture position in radar antenna and location mode of the feed aperture are analysed by taking two kinds of radar antenna as example in this paper.
以两种雷达天线为例，对天线馈源口面位置的调整方法和口面的定位方式作了分析，提出设计与制造中需要注意的有关问题。
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.
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。
The third content of the paper is the method which implements the low side-lobe phased array antenna with different aperture distribution.
文中的第三个研究内容是不同口径分布实现相控阵天线方向图低副瓣的方法。
Angular resolution of a real aperture radar is limited by the beam width of the radar 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。
To increase the radiation efficiency and broaden the operation bandwidth, an aperture-coupled microstrip antenna of high temperature superconductor with multi-layer substrates is designed.
为提高辐射效率和扩展工作带宽，对一种口径耦合馈电的多层介质高温超导微带天线进行了设计。
Offset paraboloid antenna has widely been utilized in small aperture antennas. The principles of it's formation, characteristics, machine - dimension and design calculation were introduced.
偏置抛物面无线在小口径天线中得到了广泛的应用。本文就偏置抛物面的形成原理、特性、机械尺寸及设计计算等作一简略介绍。
The paper introduces a novel sloted antenna which is sloted on the width side of a metallic waveguide in accordance with requirements of aperture field.
本文介绍了一种新颖的开槽天线，这种天线是在矩形金属波导的宽边金属壁上按一定的口面辐射要求开出一条连续的长槽。
The paper introduces a novel sloted antenna which is sloted on the width side of a metallic waveguide in accordance with requirements of aperture field.
本文介绍了一种新颖的开槽天线，这种天线是在矩形金属波导的宽边金属壁上按一定的口面辐射要求开出一条连续的长槽。
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