Objective Evaluation of Drivability in Passenger Cars with Dual-Clutch Transmission: A Case Study of Static Gearshift Condition

Table 5

Denoising effect analysis table with different methods.

Denoising method	Key parameter	ME	RMSE	SNR	GSNR	SS	CC
Db6 wavelet	1 layer	0.1116	0.1413	22.0485	1.159	0.1955	0.9968
Db6 wavelet	2 layers	0.0794	0.1	20.2787	1.066	0.0284	0.9984
Db6 wavelet	3 layers	0.0558	0.0705	19.597	1.03	0.0038	0.9992
Db6 wavelet	4 layers	0.0393	0.0498	19.2912	1.014	0.0006	0.9996
Db6 wavelet	5 layers	0.028	0.0391	19.1149	1.005	0.0001	0.9998
Coif5 wavelet	1 layer	0.112	0.1413	22.0481	1.159	0.1898	0.9968
Coif5 wavelet	2 layers	0.0792	0.0999	20.2753	1.066	0.027	0.9984
Coif5 wavelet	3 layers	0.0559	0.0704	19.5964	1.03	0.0036	0.9992
Coif5 wavelet	4 layers	0.0395	0.0501	19.2905	1.014	0.0006	0.9996
Coif5 wavelet	5 layers	0.028	0.0378	19.1288	1.006	0.0001	0.9998
Sym3 wavelet	1 layer	0.1111	0.1413	22.0504	1.159	0.2085	0.9968
Sym3 wavelet	2 layers	0.0783	0.0999	20.2762	1.066	0.0332	0.9984
Sym3 wavelet	3 layers	0.055	0.0701	19.5914	1.03	0.0047	0.9992
Sym3 wavelet	4 layers	0.0389	0.0501	19.2925	1.014	0.0008	0.9996
Sym3 wavelet	5 layers	0.0276	0.0381	19.1225	1.005	0.0002	0.9998
Sym4 wavelet	1 layer	0.1112	0.1412	22.0463	1.159	0.2016	0.9968
Sym4 wavelet	2 layers	0.0786	0.0999	20.2735	1.066	0.0303	0.9984
Sym4 wavelet	3 layers	0.0553	0.0702	19.5929	1.03	0.0041	0.9992
Sym4 wavelet	4 layers	0.0391	0.0499	19.2927	1.014	0.0006	0.9996
Sym4 wavelet	5 layers	0.0277	0.0373	19.1307	1.006	0.0002	0.9998
Sym6 wavelet	1 layer	0.1117	0.1412	22.0465	1.159	0.1953	0.9968
Sym6 wavelet	2 layers	0.0794	0.1001	20.2813	1.066	0.0285	0.9984
Sym6 wavelet	3 layers	0.0555	0.0701	19.5903	1.03	0.0037	0.9992
Sym6 wavelet	4 layers	0.039	0.0495	19.2903	1.014	0.0006	0.9996
Sym6 wavelet	5 layers	0.0277	0.0372	19.1307	1.006	0.0001	0.9998
Low-pass filter	5Hz	0.0529	0.0675	18.6924	0.983	0.0042	0.9993
Smoothing filter	21	0.0343	0.0436	19.2237	1.011	0.0024	0.9997