《合成孔径雷达成像算法与实现》Figure2.15

 代码复现如下：

clc
close all
clear all

N = 500;
t = -8:1/N:8-1/N;
st = sin(pi*t)./(pi*t);
figure
p1 = plot(t,st,'k');hold on
p2 = plot(t,st.*kaiser(length(t),2.5)','r-.');
title('Kaiser窗加权后的Sinc函数，\beta=2.5'),xlabel('时间（采样点）'),ylabel('幅度')
axis([-8,8,-0.4,1.2])
grid on