给出了一种阵列天线方向图的数值合成方法。
In this paper, a numerical pattern synthesis algorithm for an array is presented in the basis of the adaptive array theory.
提出两种基于自适应理论的天线方向图综合算法。
Based on adaptive theory, two pattern synthesis methods are proposed.
在分析测量原理的基础上开发了天线方向图测量系统。
Measuring system for antenna pattern was developed based on analysis of measurement principle.
最后给出了对某圆锥扫描雷达天线方向图的测量结果。
The testing result of one conical scan radar antenna pattern is given.
天线方向图在轨测量是星载sar定标技术的关键部分。
Inflight measurement of antenna pattern is a key technology of spaceborne SAR calibration.
该文研究了一种综合正六边形阵列天线方向图的新方法。
This paper investigates a new method for synthesis of the hexagonal antenna array.
天线方向图综合的一项主要任务，是确定阵元的激励系数。
A main mission of antenna pattern synthesis is to determine the array's excitation coefficients.
天线模型用矩量法分析，并采用遗传算法综合天线方向图。
Antenna model have been evaluated by using the Method of Moment (MoM).
介绍了一种新的分析全向矩形波导裂缝阵列天线方向图的方法。
This paper proposes a new approach for analyzing omnidirectional waveguide slots and their arrays.
天线外定标是实现星载SAR天线方向图在轨测试的主要手段。
External calibration is key method used for spaceborne SAR antenna onboard measurement.
具体包括以下内容：辐射定标1、天线方向图在轨测试实施方案。
Specifically include the followings: Radiometric calibration1. Antenna Pattern in-orbit testing program.
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.
最后还讨论了由于辅助天线权系数的增大对主天线方向图的影响程度。
Finally, the eff of the increase in the auxiliary antenna weight coefficients on the main antenna pattern is also discussed.
基于自适应天线阵理论，给出一种用于圆形阵列天线方向图的波束赋形算法。
A beam shaping algorithm for circular arrays antenna pattern based on adaptive antenna array theory is presented.
用本法获得的某雷达天线方向图的结果与基于太阳噪声的实测结果基本一致。
An actual radar antenna pattern plotted by using the method shows approximately no difference from the practically measured results based on solar noise.
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。
The third content of the paper is the method which implements the low side-lobe phased array antenna with different aperture distribution.
给出了一种基于高斯变异与自适应克隆规模控制相结合的免疫算法的天线方向图综合方法。
An adaptive immunity algorithm is presented, which USES both Gauss mutation and the adaptive clone scale control.
低频uwbSAR系统具有较大的方位向积累角，天线方向图非均匀性对系统性能的影响不能忽略。
The wide accumulating azimuth Angle is one of the main characteristics of low frequency UWB SAR, so the effect of the antenna pattern on the system performance cannot be neglected.
接着以此为基础，将变容二极管用于方向图可重构天线的设计，实现了天线方向图和增益的连续可调。
Then based on this design, varactor diode is adopted in the reconfigurable antenna, and continuous alteration of antenna pattern and gain is achieved.
采用电波暗室作为船模预测的试验场地，进行天线方向图、天线耦合度(或隔离度)、近区场强等参数测试。
The antenna radiation pattern and antenna coupling or isolation as well as near electric field strength are measured by using anechoic chamber as the test site of ship model prediction.
由于天线方向图在宽带内的畸变通常比较大，因此保持辐射方向图的稳定性也是超宽带天线设计的一个难点。
The radiation pattern could be distorted seriously in wide band, thus how to keep the radiation pattern stable is a challenge in UWB antenna design.
最后研究了低频uwb - SAR系统信息处理模型。利用该模型分析了天线方向图和系统的冲击响应函数。
Finally, the information process model of the low frequency UWB-SAR is given, and antenna pattern and the impulse response function of the system are discussed.
该系统以工控机为平台，应用自行研制的PC虚拟仪器卡，构成一个集成化的通用的雷达天线方向图测试仪器。
This system based on the industrial computer, using the PC virtual instrument designed by ourselves, forming the general radar directional pattern measuring instrument.
根据实测的单元天线方向图，利用几何绕射理论，给出了金属截锥柱侧天线三维辐射场的一种有效的数值分析方法。
On the basis of the experimental element pattern and GTD, an efficient numerical method for analyzing 3-D radiation field of antennas on the truncated cone-cylinder is presented.
计算机仿真结果表明，与现有算法相比，该算法用于天线方向图综合具有收敛速度快、优化能力强、算法可靠等优势。
Computer simulations show that the pattern synthesis of antenna arrays can be carried out with fast convergence and excellent stability by the model, even for complex cases.
本文首先分析了焦平面阵列馈源横向偏焦产生多波束的原理，并采用面电流法对偏焦抛物面天线方向图进行了编程计算。
Based on the principles that lateral offset-focus feed makes the antenna pattern deflect an angle, the multi-beam antenna can be used in passive imaging system.
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。
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。
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.
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