小波基函数和滤波系数(db2-正交,不对称) 4 Wavelet Display db小波 File Options Windows “近似”基函 “细节”基 0 Decomposition low-pass filter Decomposition high -pass filter 864204 “正变换”低频 和 18 Reconstruction low -ass fite? Reconstruction high-bass fitte? ,反变换”很癫 和 18 0 2 0 2
16 小波基函数和滤波系数(db 2--正交，不对称 ) “近似”基函 数 “细节”基 函数 db小波 “反变换” 低频 和 高频 “滤波系数 ” “正变换” 低频 和 高频 “滤波系数
小波基函数和滤波系数(db4-正交,不对称) wavelet Display File Options Windows Scaling function phi Wavelet function psi avelet Jb FA Refineme 8 0.5 05 0 Displ. -0.5 0.5 -1 Information on DEcomposition low-pass fiter ODecompBsition high-pass fiter DB wavelets 0.5 0.5 Wavelets -0.5 -0.5 Recbnstaiction lowv-paiss foter 7 Recbnstactian high-pass fiter 7 0.5 0.5 0 -0.5 0.5 0123456701234567
17 小波基函数和滤波系数(db 4--正交，不对称)
小波基函数和滤波系数sym4-正交,近似对称) d wavelet Display □区 File Options Windows Wavelet Scaling function phi Wavelet function psi 1.5 1.5 Refinemen 05 0.5 0 Displa -05 -0.5 Information on 0 Decomposition low-pass fier O Decompsition high-pass titer SYM wavelets 0.5 0.5 Wavelets -0.5 -.5 REconstruction low -pass tRer REconstruction high-pa5ss titer 0.5 0.5 ◆言1 1● -0.5 -0.5 01234567 01234567
18 小波基函数和滤波系数(sym 4--正交，近似对称)
小波基函数和滤波系数(bior24-双正交,对称) Wavelet Display 区 File Options Windows 4 DIor Decomposition scaling function phi Decomposition wavelet function psi Refineme 8 0 0 Display Decomposition low-pass filter Decomposition high-pass filter 0.5 0.5 Information on -0.5 0123456789 0123456789 BIOR wavelets Reconstruction scaling function phi Reconstruction wavelet function psi 1.5 1.5 Wavelets 0.5 0.5 0 0 -0.5 -0.5 4 6 8 6 Reconstruction low-pass filter econstruction high-pass filter -0.5 0123456789 0123456789
19 小波基函数和滤波系数(bior 2.4 –双正交，对称)
小波基函数和滤波系数(bior68-双正交,对称) Wavelet Display 区 File Options Indows bior F6s F Decomposition scaling function phi Decomposition wavelet function psi Refinemen 8 0 DIsplay Decomposition low-pass filter Decomposition high-pass filter 0.5 0.5 0●命命 Information on 0.5 -0.5 0246810121416 0246810121416 BIOR wavelets Reconstruction scaling function phi Reconstruction wavelet function psi Wavelets 0.5 0.5 0 0.5 -0.5 5 0 15 Reconstruction low-pass filter Reconstruction high-pass filter 0.5 0.5 05 -0.5 0246810121416 0246810121416
20 小波基函数和滤波系数(bior 6.8 –双正交，对称)