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Compare ideal Interpolation filter and interpolation by LSE FIR filter(3)

Compare ideal Interpolation filter and interpolation by LSE FIR filter(3). Advisor : Dr. Yung-AN Kao Student: Ying Chun Chen. Outline. Comparison (Simulation) Conclusion Reference. Comparison(1/12). Filter coefficient M=59 Interpolation filter by LSE FIR filter Upsample=5

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Compare ideal Interpolation filter and interpolation by LSE FIR filter(3)

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  1. Compare ideal Interpolation filter and interpolation by LSE FIR filter(3) Advisor : Dr. Yung-AN Kao Student: Ying Chun Chen

  2. Outline • Comparison (Simulation) • Conclusion • Reference

  3. Comparison(1/12) Filter coefficient M=59 Interpolation filter by LSE FIR filter Upsample=5 Cutoff freq=0.2 Passband freq=0.15  Stopband freq=0.25 

  4. Comparison (2/12) Filter coefficient M=59 Interpolation filter by LSE FIR filter Upsample=5 Cutoff freq=0.2  Passband freq=0.15  Stopband freq=0.25 

  5. Comparison (3/12) Filter coefficient M=59 Ideal Interpolation filter Upsample=5 Cutoff freq=0.2  Passband freq=0.15  Stopband freq=0.25 

  6. Comparison (4/12) Filter coefficient M=59 Ideal Interpolation filter Upsample=5 Cutoff freq=0.2  Passband freq=0.15  Stopband freq=0.25 

  7. Comparison (5/12) Filter coefficient M=55 Interpolation filter by LSE FIR filter Upsample=5 Cutoff freq=0.2  Passband freq=0.15  Stopband freq=0.25 

  8. Comparison (6/12) Filter coefficient M=55 Interpolation filter by LSE FIR filter Upsample=5 Cutoff freq=0.2  Passband freq=0.15  Stopband freq=0.25 

  9. Comparison (7/12) Filter coefficient M=55 Interpolation filter by LSE FIR filter Upsample=4 Cutoff freq=0.25  Passband freq=0.2  Stopband freq=0.3 

  10. Comparison (8/12) Filter coefficient M=55 Interpolation filter by LSE FIR filter Upsample=4 Cutoff freq=0.25  Passband freq=0.2  Stopband freq=0.3 

  11. Comparison (9/12) Filter coefficient M=55 Interpolation filter by LSE FIR filter Upsample=4 Cutoff freq=0.2  Passband freq=0.15  Stopband freq=0.25 

  12. Comparison (10/12) Filter coefficient M=55 Interpolation filter by LSE FIR filter Upsample=4 Cutoff freq=0.2  Passband freq=0.15  Stopband freq=0.25 

  13. Comparison (11/12) Filter coefficient M=55 Ideal Interpolation filter Upsample=4 Cutoff freq=0.25  Passband freq=0.2  Stopband freq=0.3 

  14. Comparison (12/12) Filter coefficient M=55 Ideal Interpolation filter Upsample=4 Cutoff freq=0.25  Passband freq=0.2  Stopband freq=0.3 

  15. Conclusion

  16. Reference • F.M.Gardner, ”Interpolation in digital modems-Part I :Fundamental” IEEE Trans.Commun.,vol.41 pp.502-508,Mar.1993 • J.V.,F.L.,T.S.,andM.R. ”The effects of quantizing the fractional interval in interpolation filters” • Heinrich Meyr ,Marc Moeneclaey ,Stefan A. Fechtel “Digital Communication Receivers”. New York :Wiley 1997 • C. S. Burrus, A. W. Soewito and R. A. Gopnath, “Least Squared Error FIR Filter Design with Transition Bands,” IEEE Trans. Signal Processing, vol. 40, No. 6, pp.1327-1338, June 1992. • Heinrich Meyr ,Marc Moeneclaey ,Stefan A. Fechtel “Digital Communication Receivers”. New York :Wiley 1997 • Alan V. Oppenheim ,Ronald W. Schafer with John R. Buck “Discrete-Time Signal Processing”.

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