Weighting effect of real antenna pattern will improve the SNR in mp.
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。
The testing result of one conical scan radar antenna pattern is given.
最后给出了对某圆锥扫描雷达天线方向图的测量结果。
Inflight measurement of antenna pattern is a key technology of spaceborne SAR calibration.
天线方向图在轨测量是星载sar定标技术的关键部分。
The module's internal circuitry is connected to the antenna pattern via inductive coupling .
该模块的内部电路连接到天线模式,通过电感耦合 。
Measuring system for antenna pattern was developed based on analysis of measurement principle.
在分析测量原理的基础上开发了天线方向图测量系统。
A main mission of antenna pattern synthesis is to determine the array's excitation coefficients.
天线方向图综合的一项主要任务,是确定阵元的激励系数。
At this time, a mask member having the same shape as that of the antenna pattern is further provided.
此时,进一步设置与该天线图案具有相同形状的掩模件。
Specifically include the followings: Radiometric calibration1. Antenna Pattern in-orbit testing program.
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。
A beam shaping algorithm for circular arrays antenna pattern based on adaptive antenna array theory is presented.
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。
Finally, the eff of the increase in the auxiliary antenna weight coefficients on the main antenna pattern is also discussed.
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。
It is then proved that these known array forms which can give a predetermined average antenna pattern are all included without exception.
文中进一步证明了不存在给出预定的平均方向图的其它加权形式。
Then based on this design, varactor diode is adopted in the reconfigurable antenna, and continuous alteration of antenna pattern and gain is achieved.
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。
An actual radar antenna pattern plotted by using the method shows approximately no difference from the practically measured results based on solar noise.
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。
A diversity antenna system in a mobile unit which provides time, space and antenna pattern diversity to mitigate the effects of fading at a CDMA mobile unit.
一种在移动单元中提供时间、空间和天线图形分集以减弱CD MA移动单元处的衰落影响的分集天线系统。
The test of antenna pattern is a key activity in developing a low or ultra-low sidelobe antenna, it calls for positive involvement of structural designer in it.
波瓣测试是低副瓣、超低副瓣天线研制中不可或缺的一个重要环节,结构人员积极介入其中是必要而有益的。
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.
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。
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.
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。
In this Paper, a summary of Geometrical Theory of Diffraction (GTD) by a curved surface and a straight wedge, and its application to calculation of antenna pattern is given.
本文简要地介绍了曲面及直劈几何绕射理论(GTD)在计算天线方向性中的应用。
This paper describes the test method of active multi-beam antenna pattern by using high precision 3-axis antenna test turntable and the test procedure of antenna 3d pattern.
论述了利用高精度三轴天线测试转台,测试有源多波束天线立体方向图的方法。
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.
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 dissertation collate and study the source selection, antenna pattern of distribution involved in tunnel coverage, put forward different solutions to the typical length of the tunnel.
本文对隧道覆盖中涉及的信号源选择、天馈线分布方式选择进行了系统的归纳和研究,提出了不同长度隧道的典型解决方案。
Aimed at the difficulty in calculating an electrically large size antenna by using MOM, a far zone approximate method based on MOM (MOM-FZ) was presented for calculating radar antenna pattern.
针对运用矩量法计算电大尺寸天线时遇到的严重困难,提出一种基于矩量法的计算天线远场的远区近似(MOM- FZ)方法。
Multilayer radome will exert a tremendous influence on low sidelobe antenna pattern. Integrated directivity analysis of antenna with radome will be helpful to airborne antenna optimization design.
多层介质天线罩对机载天线低副瓣性能有显著的影响,对带罩天线的方向性进行一体化分析有助于机载天线的优化设计。
In this thesis, we reported a reconfigure antenna that is able to radiate different topologies of radiation pattern.
在这篇论文中,我们提出一种可动态辐射不同增益场型的天线系统。
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.
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。
Simulation results showed that the antenna array's directional pattern formed by this kind of fixed-point format LMS algorithm had high performance.
测试结果表明采用这种定点数制的算法所形成的天线阵方向图具有较好的性能。
The pattern of an antenna in missile is calculated by using GTD method.
本文应用几何绕射理论(GTD)计算了弹载天线的辐射方向图。
The pattern of an antenna in missile is calculated by using GTD method.
本文应用几何绕射理论(GTD)计算了弹载天线的辐射方向图。
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