代码搜索：M
找到约 10,000 项符合「M」的源代码
代码结果 10,000
www.eeworm.com/read/439857/7700269
m m06_quantiz.m
N=2^3; %以3比特传输信道
t=[0:100]*pi/20;
u=cos(t);
[p,c]=lloyds(u,N);
[index,quant,distor]=quantiz(u,p,c);
plot(t,u,t,quant,'*');
quant=c(index+1)
www.eeworm.com/read/439857/7700270
m m06_dpcmopt.m
N=2^3; %以3比特传输信道
t=[0:100]*pi/20;
u=cos(t);
[predictor,codebook,partition]=dpcmopt(u,1,N);
%DPCM编码；生成分界点矢量、编码手册和优化的预测传递函数
[index,quant]=dpcmenco(u,codebook, partition, predictor)
%使用DPCM译
www.eeworm.com/read/439857/7700271
m m06_qask.m
% 第一步：设置参数
M = 8; % Number of symbols in alphabet
len = 10000; % Number of symbols in the original message
Fd = 1; % 频率分辨力
Fs = 3; % 调制信号的采样频率
% 第二步：创建输入信号
signal = randint(len,1,M); % 这里输入一个随
www.eeworm.com/read/439857/7700272
m m06_eyediagram.m
M = 16; Fd = 1; Fs = 10;
Pd = 100;
msg_d = randint(Pd,1,M); % 生成随机信号
msg_a = modmap(msg_d,Fd,Fd,'qask',M);%采用QASK调制方式.
delay = 3; % 提升余弦滤波器的延时
rcv = rcosflt(msg_a,Fd,Fs,'fir/normal',.5,delay);
www.eeworm.com/read/439857/7700273
m m06_qpsk.m
% 第一步：设置参数
M = 8; % Number of symbols in alphabet
len = 10000; % Number of symbols in the original message
Fd = 1; % 频率分辨力
Fs = 3; % 调制信号的采样频率
% 第二步：创建输入信号
signal = randint(len,1,M); % 这里输入一个随
www.eeworm.com/read/439857/7700274
m m06_encode.m
n=31; %码常
k=26; %信元长度
num_of_row=200;
msg=randint(k*num_of_row,1,2); %信号码元
code =encode(msg,n,k,'hamming'); %Hamming编码
msg = decode(code, n, k, 'hamming'); %Hamming解码
noise=ran
www.eeworm.com/read/439857/7700276
m m06_demodce.m
M = 4; %设置M的数目
Fd = 1; %信号采样速率
Fs = 32; %采样频率
SNRperBit = 5; %信噪比
adjSNR = SNRperBit-10*log10(Fs/Fd)+10*log10(log2(M));
x = randint(5000,1,M); % 源信号
%正交FSK调制
tone = 0
www.eeworm.com/read/439857/7700277
m m06_amod.m
t0=0.15; %信号保持时间
ts=0.001; %采样时间间隔
fc=250; %载波频率
fs=1/ts; %采样频率
df=0.3; %频率分辨力
a=0.8; %调制系数
t=[0:ts:t0];%时间矢量
m=[ones(1,t0/(3*ts)),-2*ones(1,t0/(3*ts)),zeros(1,t0/(3*ts)+1)
www.eeworm.com/read/439857/7700280
m m06_scatter.m
M = 16; Fd = 1; Fs = 10;
Pd = 200; %
msg_d = randint(Pd,1,M); %生成随机信号
msg_a = modmap(msg_d,Fd,Fs,'qask',M);%采用QASK调制方式.
rcv = rcosflt(msg_a,Fd,Fs);
N = Fs/Fd;
rcv_a = rcv(3*N+1:end-4*N,:);
h
www.eeworm.com/read/439857/7700283
m m06_lowsample.m
t0=10; %定义时间长度
ts=0.005; %采样周期
fs=1/ts;
df=0.5;
t=[-t0/2:ts:t0/2];%采样时间序列
x=sin(200*t)./(200*t);%计算除零时产生的误差点
w=t0/(2*ts)+1; %修正零点误差
x(w)=1;
x=x.*x;x=50.*x;
[M,mn,df]=fft_se