基于扩频解扩+汉明编译码+交织的lora通信系统matlab性能仿真

1.算法运行效果图预览

2.算法运行软件版本

3.部分核心程序

4.算法理论概述

5.算法完整程序工程

1.算法运行效果图预览

(完整程序运行后无水印)

2.算法运行软件版本

matlab2022a

3.部分核心程序

（完整版代码包含详细中文注释和操作步骤视频）

........................................................
time = toc;

if SF==7
   save mat\Ra1.mat SNR droprate time
end
if SF==8
   save mat\Ra2.mat SNR droprate time
end
if SF==9
   save mat\Ra3.mat SNR droprate time
end
if SF==10
   save mat\Ra4.mat SNR droprate time
end
if SF==11
   save mat\Ra5.mat SNR droprate time
end


figure
load mat\Ra1.mat
semilogy(SNR,droprate,'-bs',...
    'LineWidth',1,...
    'MarkerSize',6,...
    'MarkerEdgeColor','k',...
    'MarkerFaceColor',[0.9,0.0,0.0]);t=time;
hold on
load mat\Ra2.mat
semilogy(SNR,droprate,'-mo',...
    'LineWidth',1,...
    'MarkerSize',6,...
    'MarkerEdgeColor','k',...
    'MarkerFaceColor',[0.5,0.9,0.0]);t=[t,time];
hold on
load mat\Ra3.mat
semilogy(SNR,droprate,'-b^',...
    'LineWidth',1,...
    'MarkerSize',6,...
    'MarkerEdgeColor','k',...
    'MarkerFaceColor',[0.2,0.9,0.5]);t=[t,time];
hold on
load mat\Ra4.mat
semilogy(SNR,droprate,'-r>',...
    'LineWidth',1,...
    'MarkerSize',6,...
    'MarkerEdgeColor','k',...
    'MarkerFaceColor',[0.9,0.9,0.0]);t=[t,time];
hold on
load mat\Ra5.mat
semilogy(SNR,droprate,'-k<',...
    'LineWidth',1,...
    'MarkerSize',6,...
    'MarkerEdgeColor','k',...
    'MarkerFaceColor',[0.9,0.3,0.3]);t=[t,time];
grid on

xlabel('噪声SNR');
ylabel('误码率');
xlim([0,25]);
ylim([0,1]);
legend('扩频因子=7','扩频因子=8','扩频因子=9','扩频因子=10','扩频因子=11');


figure;
bar([7:11],t);
xlabel('扩频因子');
ylabel('算法执行时间');