2. 2

3. 3

4. 4

5. 5 Aliasing Cancellation Condition Aliasing Cancellation Condition : Perfect Reconstruction Condition Perfect Reconstruction Condition :

6. 6 M-path Partition of the m th channel filter M-path Partition of the m th channel filter :

7. 7 M-path Partition of the m th channel synthesis filter M-path Partition of the m th channel synthesis filter :

8. 8 NMDFB filter: Time Domain filter:

9. 9 Error between two filtering models: Error Transfer Function:

10. 10 Piecewise Constant Approximation: Linear Interpolation

11. 11 Piecewise Constant Approximation Performance:

12. 12 Linear Interpolation Approximation Performance:

13. 13 M = 64, D = 32 Rectangular Triangular M = 64, D = 16 Triangular

14. 14 M = 64, D = 32 Rectangular Impulse Response and Filter Spectra

15. 15 M = 64, D = 16 Triangular Impulse Response and Filter Spectra

16. 16 M = 64, D = 16 Triangular Impulse Response and Filter Spectra

17. 17 M = 64, D = 32 Rectangular / M = 256 Triangular Linear Phase Filtering

18. 18 M = 64, D = 32 Rectangular / Triangular Non Linear Phase Filtering

19. 19 M = 256, D = 64 Triangular Non Linear Phase Filtering

20. 20 M = 64, D = 16 Triangular Fractional Delay Filtering

21. 21

22. 22 1.Wideband Signal Processing: Effectively reducing the hardware processing rate via NMDFB. 2.Filtering: Linear phase, Non-linear phase, Fractional delay, Masking, Cascade Filtering. 3.Support block timing varying filtering. 4.Support wideband power allocation.

23. 23 Time Domain Timing Recovery & Matched Filtering NMDFB Domain Timing Recovery & Matched Filtering 256 Real Multiplies per Output 240 Real Multiplies per Output

24. 24 NMDFB Timing Recovery Simulation (Submitted to ICASSP 2013) 20 dB SNR / AWGN channel / 0.25 Ts Timing Error

25. 25