波束天线
- 网络Beam antenna;DBF;erconfigurable beam antenna
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基于数字多波束天线的多星测控系统具有良好的技术基础和应用前景。
Multi-satellite TT & C system based on DBF antenna has advanced technology foundation and should be widely used in the future .
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结合星载多波束天线模型的MUSIC算法的仿真结果进一步验证这一方法的可行性。
The feasibility of the proposed method is further verified by the simulation results of the MUSIC algorithm when used with MBA model .
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我国Ku波段广播通信卫星赋形波束天线设计
A contoured beam antenna design for Chinese communication satellite on Ku band
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该文将宽波束天线用于超高方位分辨率机载SAR,计算了天线的性能指标和SAR的系统参数。
In this paper , the wide beam antenna array is used as the antenna of an airborne SAR with ultrahigh azimuth resolution .
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基于OPNET的卫星多波束天线仿真建模研究
Research of Satellite Multi-beam Antenna Simulation Modeling Based on OPNET
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基于实测和差波束天线方向图的∑Δstap性能分析
Performance Analysis of ΣΔ STAP Based on Measured ΣΔ - Beam Antenna Pattern
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软件无线电的关键技术包括多频段多波束天线、宽带射频(RF)信号处理、宽带A/D变换和高速数字信号处理等。
The critical technologies of software radio including multi-band multi-beam antenna , broadband RF signal processing , broadband A / D conversion and high-speed digital signal processing , etc.
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其关键技术包括宽带/多频段多波束天线、宽带射频(RF)信号处理、宽带A/D/A变换、DSP技术及实时操作系统等。
The key technology in SDR include wideband / multiband antenna , wideband RF signal processing , wideband A / D / A conversion , DSP technology and real-time operation system etc.
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LCMV方法在卫星多波束天线赋形中的应用
Application of LCMV Algorithm to Pattern Synthesis for Satellite Multiple-Beam Antenna
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基于多波束天线的空间谱估计方法可对干扰源进行精确定位,利用获取的DOA估计信息进一步实现干扰信号的有效抑制。
Spatial spectrum estimation approaches , in conjunction with Multiple Beam Antenna ( MBA ), are first employed for accurate source localization . This estimated DOA information is then used to achieve adaptive interference suppression .
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多波束天线的核心在于波束形成网络,而作为多波束天线两大电路馈电网络之一的Butler矩阵,在理想情况下是无损增益。
The core of multi-beam antenna is beam forming network . As one of the two multi-beam antenna feed network circuit , Butler matrix is lossless gain in the ideal case .
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最后,根据双弯曲反射面赋形波束天线的相关计算理论和本天线的设计要求,对天线的综合设计方程进行了推导,设计出软件计算框图,在MATLAB环境下,计算出反射面的形状。
At last , based on the computational theory of shaped-beam doubly curved reflector antenna and the designing requirements , the computational formulas are conducted in all details and the computing software diagram is designed . In MATLAB environment , the shape of the reflector is calculated .
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结果表明,相对于传统单波束天线(SingleBeamAntennas,SBA)的通信方式,这种新的BHA通信方式能够有效地改善存在强方向性干扰时的通信质量,从而提高系统的性能。
The results show that comparing with the conventional single beam antennas ( SBA ) scheme , the new BHA communication scheme can enhance the communications quality under strong directional interference , hence improve the performance of the system .
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在此基础上重点分析了PMMW焦平面成像的空间采样频率要求以及多波束天线原理,再对毫米波干涉测量进行分析,推导出复相关输出与场景亮温分布的关系式。
After that , we focus on analyzing the spatial sampling frequency and multi-beam theory of PMMW focal plane imaging . Then we analyse the principles of millimeter-wave interferometry , and explore the relationship between complex correlation output and brightness temperature of the scene .
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基于遗传算法的微带缝隙串馈赋形波束天线
Shaped-Beam Synthesis of Series-Fed Microstrip Slot Array Antenna Using Genetic Algorithm
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一种基于跳波束天线的通信方式及其性能分析
A BHA Communication Scheme and Its Performance Analysis JUMP SHOT
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馈源阵面排列对偏置多波束天线特性的影响
Effect of the Feed Array in an Offset Multibeam Antenna
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卫星多波束天线赋形理论的研究
The Study of Theory on Shaped Beams for Satellite Antennas
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主要介绍了卫星多波束天线的基本原理和数学模型;
The principle and mathematical model of satellite multiple-beam antenna are introduced .
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低轨卫星系统星载多波束天线点波束设计及优化
Spot-beam Design and Optimization of On-board Multi-beam Antenna for LEO Satellite Systems
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通道响应失配对星载平面阵列多波束天线波束成形的影响
The Effects of Channel Mismatch on Satellite Planar Array Multi-beam Antenna Beamforming
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应用于卫星多波束天线的自适应波束形成算法比较
A Comparative Analysis of Adaptive Beamforming Algorithms for Satellite Multiple Beam Antennas
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非赋形双偏置高性能椭圆波束天线
Unshaped dual offset ellipsoidal beam antenna with high performance
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卫星多波束天线指向误差对干扰源定位性能的影响
Influence on Performance of Interference Localization Using Satellite Multiple-Beam Antenna with Pointing Error
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卫星赋形波束天线优化方法的改进
Improvements of Optimization Methods for Satellite Shaped Beam Antennas
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菲涅尔区聚焦多波束天线空间谱估计性能分析
Performance analysis of spatial spectral estimation using fresnel zone focusing multi beam antenna
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余割波束天线检测方法的研究
The research on inspection method of cosecant beam antenna
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一个宽波束天线精确定位的实验装置
An Installation of Broad Beam Antenna for Accurate Steering
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多波束天线结构精密工程测量应用研究
Application Reserch on the Precise Engineering Survey of Multiple Beam Torus Antenna Structure
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卫星多波束天线赋形波束的最优化计算
Optimization Calculation of Shaped Beam in Satellite Multiple-Beam Antennas