主瓣宽度

由于正切调频信号能很好地解决主瓣宽度与旁瓣电平高的矛盾，目前在脉冲压缩雷达中获得广泛的应用。

Tg frequency modulation signal is widely used in the pulse compression radar currently , as it can be taken to solve the contradiction between the main lobe width and the side lobe level .

本文给出按LMS准则设计的自适应系统达到稳态时，系统指向性的一般表达式.作为信号和干扰之间的广义夹角的函数，提出计算主瓣宽度、干扰方向零点深度和极限分辨力的方法。

The general representation of steady state directivity of adaptive system designed under the LMS criteria is given .

Kaiser窗是一种可以任意调整窗谱主瓣宽度与旁瓣衰减比例的函数。

Kaisers window is such a function which can freely change the main-lobe width of window spectrum and the attenuation proportion of side-lobe proportion .

分析了天线参数对主瓣宽度和副瓣电平的影响；

The effect of antenna parameters on the beamwidth and side lobe level is analyzed .

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 .

本文对均匀直线阵列天线在相控扫描过程中的主瓣宽度和方向性系数进行了估算。

In this paper , the main valve width and directive gain for uniform linear array of antennas in phased scanning are estimated .

最后指出可以通过提高静区静度指标要求到达提高试验精度的目的，并研究了静区指标与被试品主瓣宽度、角模拟精度之间的关系。

At last this paper points out that precision of test can be improved by enhancing reflection level of quiet-zone , and researches the relation of reflection level , precision of test and main lobe of testing radar .

文章考虑了阵元宽度对主瓣半功率点宽度的影响，并与忽略阵元宽度的线列阵的情况进行了比较。

This paper studies the effects of array element width on half - power bandwidth , and proposes a new method .

根据方向图副瓣要求，用泰勒综合法得到其幅度分布，相位采用等相分布。根据方向图主瓣半功率波束宽度要求确定其单元数和单元间距。

Under the direction of pattern sidelobe request , Taylor synthesis method is used by its amplitude distribution , phase by phase as distribution under the direction of the pattern beamwidth requirements determine the number and the unit spacing of the element .