SNR

方法

N1

N2

N3

N4

N5

N6

N7

−5

STFT

1.3246

1.1186

1.007

1.5551

1.6102

2.5401

1.7322

GFT

1.2415

1.0671

1.0258

1.4989

1.5057

2.4739

1.6362

0

STFT

1.7787

1.5979

1.4635

1.9823

2.0225

2.7083

2.0827

GFT

1.7098

1.5493

1.4477

1.921

1.932

2.6787

2.0297

5

STFT

2.1521

2.0328

1.9093

2.3017

2.3359

2.8241

2.3187

GFT

2.1138

1.9992

1.8925

2.2646

2.2831

2.841

2.3178

10

STFT

2.409

2.3447

2.2497

2.5176

2.5525

2.8974

2.4852

GFT

2.408

2.3458

2.2479

2.5171

2.5439

2.9607

2.5204

15

STFT

2.5777

2.55

2.4768

2.662

2.6971

2.9415

2.6046

GFT

2.6072

2.5901

2.4989

2.6941

2.7259

3.0336

2.6659

20

STFT

2.6903

2.6847

2.6243

2.7588

2.7948

2.9662

2.6928

GFT

2.7403

2.7571

2.6696

2.8155

2.8479

3.0739

2.7739