function x1=denosie1(x)
%clc
%clear
%close all

%snr=3 ;
%init=126424 ;
%[x ,xn] =wnoise(2 ,10 ,snr ,init) ;
plot(x)
hold on
title('原始信號')
axis square
%figure ,plot (xn)
%title('含噪信號')
%axis square

lev=5;
xd = wden(x,'heursure','s','sln',lev,'sym8');
figure
plot(xd),hold on
title('軟閾值去噪信號')
axis square
x1=xd;

%lev2 = 10;
%xd2 = wden(x,'sqtwolog','h','sln',lev2,'sym4');
%figure ,plot (xd2)
%title ('硬閾值去噪信號')
%axis square