1) low sidelobe
低副瓣
1.
The meaning of low sidelobe antenna was briefly introduced.
简要介绍了天线低副瓣的含义,并对该天线所使用的馈源的辐射特性进行了理论分析和电磁仿真。
2.
Genetic algorithm is applied to synthesize low sidelobe antenna array.
应用遗传算法进行低副瓣天线阵的综合 。
3.
According to analysis,a design method for low sidelobe microstrip reflectarray antenna is proposed.
介绍了微带反射阵天线的基本原理,分析了天线设计中阵元单元尺寸和间隔的计算、相位延迟线的选择、基片厚度的选取、误差分析、仿真验证等,根据分析结果提出了低副瓣微带反射阵天线的设计方法。
2) low side-lobe
低副瓣
1.
Especially in recent years, As requested by improving radar anti-jamming, the antennas must be low side-lobe or very low side-lobe.
特别是最近十几年,随着对雷达抗干扰要求的提高,要求天线应具有低副瓣或极低副瓣的性能,而波导缝隙天线成为此项要求的优选形式。
2.
Antenna system is a critical component of the instantaneous polarization radar system which is used to transient signal and receive signals, Based on the simulation analysis, This article design a special arrangement of the array and give each unit of the implementation of specific incentives to achieve the low side-lobe, narrow beam, high gain antenna array.
收发天线阵列是瞬态极化实验雷达系统收发信号的重要功能组成部分,本文首先对天线单元间互耦进行仿真分析,并设计特殊的单元布局,通过对各单元的激励功率实施特定加权从而实现了窄波束,低副瓣、高增益天线阵列。
3.
Antenna system is a critical component of the radar system which is used to transient signal and receive signals,Based on the simulation analysis,This article design a special arrangement of the array and give each unit of the implementation of specific incentives to achieve the low side-lobe,narrow beam,high The gain antenna array.
收发天线阵列是瞬态极化雷达射频分系统收发信号的重要功能组成部分,本文通过仿真分析,设计特殊的单元布局,并对各单元的激励功率实施特定加权从而实现了窄波束,低副瓣、高增益天线阵列。
3) Low side lobe
低副瓣
1.
The quantized lobe will not appear if the amplitude weighting is performed in the element outputs,and the perfect effect of low side lobe will be fetched.
在大型相控阵天线中采用子阵幅度加权来降低副瓣是一项简单且实用的技术,并且成本较低,但是在副瓣区域会出现高量化瓣(栅瓣)。
2.
This paper discusses the engineering design method to realize the low side lobe in super-wide band phased array antenna,puts forward the method using multistage quantization amplitude and phase weighting to realize the low side lobe design for the transmitting and receiving array,presents the optimizing design result in one-dimensional linear array.
探讨了在超宽带相控阵列天线上实现低副瓣的工程设计方法,提出了采用多阶量化幅相加权的方法实现发射阵和接收阵的低副瓣设计,并在一维线阵上给出了优化设计结果。
4) ultra-low sidelobe
超低副瓣
1.
This article presents dominant anti-jamming techniques used for selection of waveforms,ultra-low sidelobe forming and adaptive nulling in digital array radar,explains the method to achieve these goals,and gives out the results of simulations and performance tests.
文章给出数字阵列雷达在波形选择、接收超低副瓣形成以及自适应零点形成技术等方面的主要抗干扰技术,阐述实现方法,并给出仿真和性能测试结果。
2.
Aimed at large linear arrays, combined with DBF, how to control the sidelobe altitude of the adaptive pattern and to realize the ultra-low sidelobe performance of the array.
除了对抗有源干扰外,大部分雷达还要求具有强杂波背景下检测目标的能力,这就需要雷达天线具有低或超低副瓣电平。
3.
Modern electronic warfare has set higher demands for the low or ultra-low sidelobe antennas, which are key components of modern Radar.
超低副瓣阵列天线是实现现代高性能雷达的关键技术之一。
6) Wideband ultralow sidelobe
宽带超低副瓣
1.
The design of a sixteen-element L-band wideband ultralow sidelobe array antenna is described.
描述了由16元线阵组成的L频段宽带超低副瓣天线阵的设计,给出了设计过程中所解决的各项关键技术及所采用的技术途径,以及一些设计数据和测试结果。
补充资料：超低旁瓣
为了增强现代舰用天线系统的抗干扰能力,必须提高天线旁瓣的测量精度.
基于此给出了用平面近场技术测量超低旁瓣天线时,旁瓣测量总误差与待测天线参数、近场幅相随机误差的数学模型:在相同的测量条件下,天线旁瓣越低,旁瓣测量误差越大;
旁瓣测量总误差随着近场测量幅相误差的增大而增大;近场分布的口径效率与旁瓣电平的误差方差成反比.
建立了近场幅相随机误差所引起的误差谱的表达式.对随机误差对远场方向图的影响进行了计算机仿真验证:结果表明,幅相误差主要影响远场方向图的旁瓣;该验证方法首次采用阵元数较少的线阵,仿真效果接近采用多阵元平面阵的情况.
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条