Multiresolution Signal Decomposition Transforms, Subbands, and Wavelets phần 7 potx

... on Multiresolution Image and Video Processing: Sub- bands arid Wavelets, March 1992. A. N. Akansu and H. Caglar, "A Measure of Aliasing Energy in Multiresolution Signal Decomposition, " ... 6.6824 0.1511 0.0345 0.0158 0.0 176 0.0065 0.0053 0.0053 " 7. 172 0 0.05 67 0.0258 0.0042 0.0196 0.0019 0.0045 0.0020 " 7. 1611 0.0589 0.0262 0.0043...

Ngày tải lên: 08/08/2014, 01:21

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... Boll, "Constant-Q Signal Analysis and Synthesis." Proc. IEEE ICASSP, pp. 375 - 378 , 1 978 . 374 CHAPTER 5. TIME-FREQUENCY REPRESENTATIONS where \x(t)\ 2 and |Jf(O)| 2 are instantaneous ... narrow-band interference, SIR — —15 dB, (b) BER for time- localized wide-band Gaussian jammer, 10% duty cycle, and SIR = —15 dB. 6.2. MULTIRESOLUTION SIGN...

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... TT 0. 079 TT 0.149 TT 0.121 7T 0.105 7T 0.123 TT 0.063 TT ^2 thetai 0.130 7T 0.1 17 7T 0.0 177 7f 0.0000 02 0.160 7T 0.169 TT 0.0529 TT 0.0265 TT __J?3_ i 0.130 7T 0.1 56 TT 0 .0 375 ... computing power and digital storage technologies along with new digital signal 3.2. BANDPASS AND MODULATED SIGNALS 131 Figure 3.15: The spectrum of a band-pass signal....

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... desired behavior of the low-pass and high-pass filters is indicated in Fig. 3. 47, where UJ P , and u; s are, respectively, the passband and stopband cut- off frequencies. The ... turn reveals the connection between block transforms, lapped transforms, and subbands. 3,5.1 The M-Band Filter Bank Structure The M-band QMF structure is shown in Fig. 3.31...

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... integers. Physically {^1 ,71 2} can refer to pixel locations in an image. The Z and Fourier transforms (Dudgeon and Mersereau. 1984) are and 3 .7. IIR SUBBAND FILTER BANKS 215 arid Prom ... TRANSMULTIPLEXERS 233 which is achieved iff and Since O' p (z) and H p (z) are each square, then Eq. (3. 275 ) implies Eq. (3. 277 ), and conversely. An im...

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... Data Transmission with Bandlimited Orthogonal Signals," Bell Sys. Tech. J., Vol. 45, pp. 177 5- 179 6, Dec. 1966. W r . Chen, DSL: Simulation Techniques and Standards Development for ... ADSL Using M-Band Wavelet Transforms,& quot; in ANSI T1E1.E4 Committee Contribution, No. 93- 67, Mi- ami, FL, March 1993. M. Vetterli and J. Kovacevic, Wavelets and Sub...

Ngày tải lên: 08/08/2014, 01:21