cspinf15.m

来自「老外写的小波变换的工具箱」· M 代码 · 共 32 行

% cspinf15 -- Two Sinusoids for Fourier Denoising
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global RatSine IrrSine yRatSine yIrrSine
global tsine nsine
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	nsine =128;
	tsine = (0:(nsine-1))./nsine;
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	RatSine   = 4*sin(tsine .* 2* pi .* 8 );
	IrrSine   = 4*sin(tsine .* 2* pi .* 7.33333);
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	yRatSine  =  RatSine + WhiteNoise(RatSine) + sqrt(-1) .* WhiteNoise(RatSine);
	yIrrSine  =  IrrSine + WhiteNoise(RatSine) + sqrt(-1) .* WhiteNoise(RatSine);
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% yehi RatSine
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% 	figure;
	subplot(221); plot(RatSine);  title('15 (a) RatSine');	
	subplot(222); plot(IrrSine);  title('15 (b) IrrSine');
	subplot(223); plot(real(yRatSine)); title('15 (c) real(yRatSine)');
	subplot(224); plot(real(yIrrSine)); title('15 (d) real(yIrrSine)');
    
    
 
 
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