用matlab生成lvm文件,matlab处理lvm格式文本

clc;

clear all;

N=256;

Fs=25600;

row_num_first=100;

% [s_0]=textread('0.lvm','%s');

% figure(1)

% s_0=str2double(s_0(row_num_first:24000,1));

% plot(s_0)

% xlabel('simple');ylabel('amplitude');title('----')

% [s_10,s_20]=textread('10_20.lvm','%s%s');

% row_num_first=100;

% s_10=str2double(s_10(row_num_first:24000,1));

% s_20=str2double(s_20(row_num_first:24000,1));

% figure(2)

% plot(s_10)

% xlabel('simple');ylabel('amplitude');title('-----')

% figure(3)

% plot(s_20)

% xlabel('simple');ylabel('amplitude');title('-------')

% Y=fft(s_0,N);

% Y1=fftshift(Y);

% f=(-N/2+1:N/2)*Fs/N;

% Mag=abs(Y1);

% figure(4);

% plot(f,10*log10(Mag));

%

% Y_10=fft(s_10,N);

% Y1_10=fftshift(Y_10);

% f=(-N/2+1:N/2)*Fs/N;

% Mag1=abs(Y1_10);<