use_nlevel.m

来自「老外写的小波变换的工具箱」· M 代码 · 共 39 行

function use_nlevel(m)
global h_nlvmenu noiseamp noisetype

for i=1:3,
  set(h_nlvmenu(i),'Checked','off');
end
set(h_nlvmenu(m),'Checked','on');

if m==1,
disp('*********************************************************');
disp('*    This sets sigma = 0.02 for Gaussian Noise          *');
disp('*    This sets a = 0.02 for Uniform [-a/2,a/2] Noise    *');
disp('*    This sets lambda = 0.02 for Poisson(lambda) Noise  *');
disp('*********************************************************');
   noiseamp = 0.02;
elseif m==2,
disp('*    This sets sigma = 0.1 for Gaussian Noise          *');
disp('*    This sets a = 0.1 for Uniform [-a/2,a/2] Noise    *');
disp('*    This sets lambda = 0.1 for Poisson(lambda) Noise  *');
   noiseamp = 0.01;
else
   disp('Input sigma, for Gaussian Noise')
   disp('Input a, for Uniform [-a/2,a/2]')
   disp('Input lambda, the mean of the Poisson distn')
   noiseamp = input('New Noise Level?');
   disp(['You have chosen the noise level:' num2str(noiseamp)]); 
end

    
    
 
 
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