【雷达测角】基于matlab和差波束加权【含Matlab源码 1674期】

二、部分源代码

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%函数名称：u=Un(n,N,SLL)
%%输入参数：n,N,SLL
%%        n: 阵列天线数目
%%        N：修真方向图零点个数
%%输出参数：u
%%        u： 输出Bayliss中间参数
%%函数功能：计算Bayliss加权外移零点位置
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function u=Un(N,SLL)
format long
if (nargin~=2)
    error('The number of input parameter is wrong!')
end
if SLL==40
         marker=6;                %%%&&&  事实上这里的A与标准泰勒形式中的A^2相同
    elseif SLL==35
         marker=5;
    elseif  SLL==30
         marker=4;
    elseif  SLL==25
         marker=3;
    elseif  SLL==20
         marker=2;
    elseif  SLL==15
         marker=1;
else 
    error(['Sidelobe level  ' num2str(sidelevel) '   is not defined in this function! Please refer to other books!']);
end
%%SLL必须为固定几个值
%%SLL 15dB    20dB    25dB    30dB    35dB    40dB  
PN=[ 1.0079,  1.2247, 1.4355, 1.6413, 1.8431, 2.0415;%%A       
     1.5124,  1.6962, 1.8826, 2.0708, 2.2602, 2.4504;%%omega1
     2.2561,  2.3698, 2.4943, 2.6275, 2.7675, 2.9123;%%omega2
     3.1693,  3.2473, 3.3351, 3.4314, 3.5352, 3.6452;%%omega3
     4.1264,  4.1854, 4.2527, 4.3276, 4.4093, 4.4973;%%omega4
    ];
u=zeros(1,N);
A=PN(1,marker);
Omega=PN(2:5,marker);
 for i=0:1:N-1
     if i==0
         u(i+1)=0;
     elseif i<=4&&i>=1
         u(i+1)=(N+1/2)*Omega(i)/sqrt(A^2+N^2);
     else
         u(i+1)=(N+1/2)*sqrt((A^2+i^2)/(A^2+N^2));
     end
end

三、运行结果

四、matlab版本及参考文献

​1 matlab版本​

2014a

​2 参考文献​

[1] 沈再阳.精通MATLAB信号处理[M].清华大学出版社，2015.

[2]高宝建,彭进业,王琳,潘建寿.信号与系统——使用MATLAB分析与实现[M].清华大学出版社，2020.

[3]王文光,魏少明,任欣.信号处理与系统分析的MATLAB实现[M].电子工业出版社，2018.

[4]李树锋.基于完全互补序列的MIMO雷达与5G MIMO通信[M].清华大学出版社.2021

[5]何友,关键.雷达目标检测与恒虚警处理（第二版）[M].清华大学出版社.2011