旁瓣电平

通常考虑幅相误差对DBF系统旁瓣电平、波束指向、方向图增益等性能指标的影响。

Usually , the sidelobe level , beam pointing and pattern gain are considered .

进一步地，导出了MRA峰值旁瓣电平（PSL）的理论上界。

Further , the upper bound of the peak sidelobe level ( PSL ) of an MRA is derived .

利用GA实现非对称稀疏线阵旁瓣电平的优化

Sidelobe Reduction of Asymmetric Linear Thinned Arrays Using Genetic Algorithm

通道响应失配对DBF天线旁瓣电平的影响

Effect of interchannel mismatch on the sidelobe level of a DBF array

等人提出的由频率调制导出的P3、P4多相码是一类常见的编码脉压信号，和线性调频信号相比，不需要接收端加权，即可获得低的自相关函数旁瓣电平；

Compared to linear-frequency modulation signals , they have low range-time-sidelobes without weighting in receiver ;

一种降低SIAR方向图旁瓣电平的新方法

A novel method for reducing the pattern sidelobe level of SIAR

传统的MTD是通过Doppler滤波器组来实现的，但由于Doppler滤波器组的旁瓣电平往往较高，从而限制了对目标的检测能力。

Traditionally , MTD is realized by Doppler filter bank . Since the sidelobe levels of Doppler filter bank are usually high , the target detection ability is limited in the conventional MTD .

与原有方法相比，获得更高的分辨率和低的旁瓣电平，对一幅二维ISAR图像进行处理证明了这种方法的正确性。

The modified method has higher resolution and lower sidelobe levels than the original method . The correctness of this method is proved by using a real ISAR image .

用本文介绍的设计方法设计了一个11元均匀直线阵和一个旁瓣电平为负25dB的11元Taylor阵，取得了很好的效果。

One eleven-elemented even linear array and one eleven-elemented Taylor linear array which first sidelobe is – 25dB are design by the method introduced in the paper . A good effect is achieved .

长度为15的LP滤波器的峰值旁瓣电平降到&21.47dB，比匹配滤波器改善7.49dB，当滤波器的长度增加时，LP滤波器可把峰值旁瓣抑制到更低电平。

The peak sidelobe level of LP filter of length 15 is reduced to -21.47 dB , and is 7.49 dB lower than that of matched filter . The LP filter can suppress the peak sidelobe even more as increasing its length .

在此基础上，应用单目标遗传算法对阵列加权和子阵结构进行了联合优化，通过优化找到一种抑制自适应方向图旁瓣电平的方法，同时对SINR的性能进行了分析。

Based on that , array weighting and subarray configuration are combined for optimizing with single target GA , and an approach for suppressing sidelobe of adaptive pattern by optimization , with the performance of SINR analyzed .

论文给出了一个22元两波导平面阵（每根波导上有11个裂缝）的设计结果，这个平面阵的第一旁瓣电平是负25dB。

The design result of one twenty-two-elemented planar array with two waveguides ( there are eleven slots in each waveguide ) is presented . The first sidelobe of the planar array is – 25dB .

在约束阵列孔径和阵元数的条件下，高效地实现了任意最小阵元间距约束下抑制峰值旁瓣电平（PSLL）的稀布阵综合。

Under the optimization constraints of the number of element , the aperture and the minimum element spacing , the MGA has been utilized to reduce the peak sidelobe level ( PSLL ) of the array .

最后，本文将DDE/BoR/1/bin与另一种新的改进PSO算法，即利用有效信息的高斯粒子群（EIGPS）算法，应用于非等间距线性天线阵列综合，最小化天线阵的峰值旁瓣电平（PSLL）。

Some insights are revealed . Finally , DDE / BoR / 1 / bin and another new PSO algorithm , namely , effectively informed Gaussian particle swarm ( EIGPS ), are applied to unequally spaced antenna array synthesis to minimize the peak sidelobe level ( PSLL ) .

馈电误差对相控阵旁瓣电平的影响研究

Research on Effect of Feed Error on Phased Array Sidelobe Level

非均匀间隔稀布阵列的旁瓣电平限制

Limits to the sidelobe level of nonuniformly spaced and thinned arrays

矩形平面稀布阵旁瓣电平的免疫算法优化

Sidelobe level optimation with immune algorithm in rectangular plane thinned array

一种空间谱估计测向中的低旁瓣电平波束合成算法

A Low Sidelobes Pattern Synthesis Algorithm for Spatial Spectrum Estimation

机载预警雷达不同重复频率对天线旁瓣电平的要求

Antenna sidelobe requirements for different PRFs of an AEW radar

六边形平面阵旁瓣电平优化的遗传算法

Sidelobe Reduction of Hexagonal Planar Array Using Genetic Algorithm

大型稀布相控阵天线设计及其旁瓣电平研究

Design of Large Thinned Phased Array Antenna and Study on its Sidelobe Level

相控平面阵机载预警雷达对天线旁瓣电平的要求

On the requirements of antenna sidelobe level for airborne early warning phased array radar

证明了随机误差可引起旁瓣电平的升高。

It is shown that the random errors cause a rise in the sidelobe level .

采用双加权的失配处理分析方法，在时域进一步降低压缩脉冲的旁瓣电平。

Using this method the side-lobe level is suppressed more through double weighting in time domain .

近场分布的口径效率与旁瓣电平的误差方差成反比。

The caliber efficiency of near-field distribution is in inverse proportion to the error variance of the sidelobe level .

论述了均值旁瓣电平和峰值旁瓣电平的基本原理。

In this paper , the basic principle about the mean sidelobe level and the peak sidelobe level are described .

于是，得到了四个切面旁瓣电平值得到优化且子阵结构相对集中的平面相控阵。

So the sidelobe level optimization and the relative concentration of subarrays structure of the phased array system is obtained .

针对旁瓣电平、波束指向等指标分析了幅相误差对数字波束形成系统的影响。

This paper analyzes the effect of amplitude phase errors on sidelobe level and beam direction in digital beam forming system .

由于馈电误差随机分布，提出了采用数字统计特征分析旁瓣电平恶化情况的方法。

As feed errors are distributed random , a method of adopting statistical characteristics to analyze the degradation of sidelobe levels is proposed .

由于这种方法通常只需要对少量约束点的位置进行调整，所以它可以高效地获得低旁瓣电平、高精度的赋形波束。

Since this approach only need adjust the locations of a few constraints , it can efficiently give shaped beams with satisfactory sidelobe levels .