但由于存在多余副瓣，驱动效率较低。
However, due to the excrescent side lobe, the current drive efficiency is lower.
任意位置稀布阵通常具有较高的副瓣。
Generally, side lobe level of a sparse-array at arbitrary position is high.
推导了峰值副瓣电平恶化的估算公式。
Several computation formulas used to estimate the peak sidelobe level degradation are given.
天线获得了良好的高增益、低副瓣特性。
The good performance characteristics of high gain and low sidelobe are obtained.
分析中采用副瓣电平可调的切比雪夫窗函数。
Chebyshev window, whose sidelobe level is adjustable, is adopted.
一般而言，旁瓣在副瓣中站的比例量是最大的。
本文提出了一种新的低副瓣曲线阵数值综合方法。
This paper presents a new numerical synthesis technique for low sidelobe curved arrays.
文中介绍了遗传算法在综合低副瓣阵列中的应用；
The research on shaped beam of array antenna by genetic algorithms is presented.
但是，研制低副瓣和超低副瓣相控阵是非常困难的。
But it is very difficult to develop low or very low sidelobe phased arrays.
单脉冲二次雷达要求天线具有和、差和副瓣抑制三个通道。
The monopulse secondary surveillance radar(SSR) antenna needs sum, difference and sidelobe suppression omnidirectional channels.
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。
Modern electronic warfare has set higher demands for the low or ultra-low sidelobe antennas, which are key components of modern Radar.
目的研究超低副瓣相控阵天线的优化综合技术和互耦补偿技术。
Aim the optimization and synthesis technique and mutual coupling compensation technique for ultralow sidelobe phased arrays were discussed.
互耦效应是低副瓣阵列天线分析与设计中需要考虑的重要问题。
The mutual coupling in the array antennas is a key question that must be considered in the analysis of array antennas and design for it.
并借助计算机绘出了主瓣宽度和副瓣电平与天线主要参数的关系曲线；
With the aid of a computer, curves of beamwidth and side lobe versus the antenna parameters are plotted.
影响机载相控阵雷达下视能力的一个重要指标是天线的超低副瓣特性。
An important index to influence the down-looking capability of airborne phased array radar is the ultralow sidelobe level of antenna.
主副瓣连合区分为单主瓣和副瓣间连合区及联合主瓣和副瓣间连合区。
The commissural region of the main and accessory valve can be divided into the commissural region between single main valve and accessory valve, and between united main valve and accessory valve.
应用概率统计原理导出了天线副瓣最高电平和天线增益损失的估计公式。
With the help of statistic principle, the estimation formulas of the peak sidelobe level and gain loss are derived.
相控阵雷达由于阵列天线副瓣偏高容易被电子战系统进行副瓣侦察和干扰。
Because the side lobe of phase array antenna is on the high side, it will be reconnoitred and jammed easily by the electronic warfare system.
本文主要讨论天线单元失效和容差对固态有源相控阵天线副瓣电平和增益的影响。
The effects of element failure and tolerance on antenna sidelobe level and gain in solid-state active phased array is mainly discussed in this paper.
我们指出如何优化空间平滑自适应阵列使得白噪声功率或者阵列的副瓣尽量降低。
We show how to optimize a spatially smoothing adaptive array such that the white noise power in the array output, or the sidelobe levels of the adaptive array beam pattern are reduced.
在分析地杂波强度的基础上，提出了一种估算机载预警雷达天线副瓣要求的新方法。
A new way is proposed to evaluate the sidelobe requirement of an AEW radar based on analysing the clutter intensity.
文中着重阐明各种多变量低副瓣幅相码，并指出这些幅相码的副瓣电平低于巴克码。
The sidelobe performance of the Amplitude-Phase Code will be mainly expounded, and it is pointed out that the sidelobe level is lower than the Barker Code.
结果表明，保持所有辐射裂缝单元间距相等的短路板融入法有利于低副瓣性能的实现。
Calculating result shows that it is beneficial to realize low sidelobe to keep uniform element space in including method.
与通常的E面扇形喇叭比较，这种喇叭具有较低的副瓣电平，短的喇叭长度和宽的张角。
Compared with conventional Eplane sectoral horn, it has low sidelobe level, short physical length and wide flare Angle.
结论该方法只调整幅度激励，使天线阵达到超低副瓣和实现互耦补偿，有利于工程实现。
Conclusion For this method, only stimulation amplitude was adjusted to realize ultralow sidelobe and mutual coupling compensation of phased arrays. It is of benefit to engineering.
本文提出一种新的非周期幅相码，这种码具有多种幅度和相位，其自相关函数副瓣电平比较低。
This paper explains a new nonperiodic Amplitude-Phase Code, which has multi-level quantized amplitude and low auto-correlation sidelobes.
通常，副瓣的等级量用所述瓣中的功率密度与主（波）瓣的功率密度（这二者）的比值来描述。
The level of minor lobes is usually expressed as a ratio of the power density in the lobe in question to that of the major lobe.
副瓣：除了主瓣其它所有的瓣都被称作副瓣，这些副瓣展示的都是不必的辐射或没有用方向的辐射。
Minor lobe: all the lobes other then the main lobe are called the minor lobes. These lobes represent the radiation in undesired directions.
与现有的方法相比，它更加完整地描述了天线副瓣的要求和分布趋势，所提出的天线指标也更加合理。
Compated with present ways, it describes the sidelobe requirement and distribution trend more perfectly and the sidelobe requirement proposed with the new way is more reasonable.
与现有的方法相比，它更加完整地描述了天线副瓣的要求和分布趋势，所提出的天线指标也更加合理。
Compated with present ways, it describes the sidelobe requirement and distribution trend more perfectly and the sidelobe requirement proposed with the new way is more reasonable.
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