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N 的代码
@n=a
Index of /courses/GD/jsj/GD_jsj_002b/text/chapter02/section2/part3
Index of /courses/GD/jsj
@n=d
Index of /courses/GD/jsj/GD_jsj_002b/text/chapter02/section2/part1
Index of /courses/GD/jsj
@n=a
Index of /courses/GD/jsj/GD_jsj_002b/text/chapter02/section2/part1
Index of /courses/GD/jsj
@n=d
Index of /courses/GD/jsj/GD_jsj_002b/text/chapter07/section6/_notes
Index of /courses/GD/js
@n=a
Index of /courses/GD/jsj/GD_jsj_002b/text/chapter07/section6/_notes
Index of /courses/GD/js
qpskmod.m
n=1000;
x = randint(n,1); %产生信源.
h = modem.pskmod (4); %产生调制句柄
y = modulate(h,x); %对信号进行调制
g = modem.pskdemod (h) %产生解调句柄
z = demodulate(g,y); %进行解调
rls.m
<mark>N</mark> = 128; %抽头数
Dle<mark>n</mark> = 1024; %输出长度
Step = 0.005; %步长
%注意：需要给出输入data和参考信号s(<mark>n</mark>)才能运行本程序
w=zeros(<mark>N</mark>,1); %<mark>N</mark>为抽头个数
p=(1/delta)*eye(<mark>N</mark>); %delta为正则化参数
for <mark>n</mark>= <mark>N</mark>:Dle<mark>n</mark>
u(1:<mark>N</mark>)=data(<mark>n</mark>:-1:<mark>n</mark> ...
correce.m
n = 128; %哈达码矩阵的阶数
n1 = log2(n);
W = zeros(n,n);
W(1,1) = 1;
for t = 1 : n1 %产生哈达码矩阵
for i = 1 : n
for j = 1 : n
if (i
hamming7_4.m
n = 7; %码长
k = 4; %信息位长
A = [ 1 1 1;1 1 0;1 0 1;0 1 1 ];
G = [ eye(k) A ]; %生成矩阵
H = [ A' eye(n-k) ]; %校验矩阵
%编码
msg = [ 1 1 1 1 ]; %信息比特
code = mod(ms
bianquan.m
N=13;
for i=1:N
for j=1:N
C(i,j)=inf;
end
end
for i=1:N
C(i,i)=0;
end
C(1,2)=6.0;C(1,13)=12.9;
C(2,3)=5.9;C(2,4)=10.3;
C(3,4)=12.2;C(3,5)=17.6;
C(4,13)=8.8;C(4,7)=7.4;