Revision as of 11:15, 27 September 2014 by Han162 (Talk | contribs)


Discrete-time Fourier transform (DTFT) of a sampled cosine

A slecture by ECE student Yijun Han

Partly based on the ECE438 Fall 2014 lecture material of Prof. Mireille Boutin.

outline

  • Introduction
  • Sampling rate above Nyquist rate
  • Sampling rate below Nyquist rate
  • Conclusion
  • References

Introduction

the cosine signal is $ x(t)=cos(2pi*440t) $. }

Sampling rate above Nyquist rate

Sampling rate below Nyquist rate

Conclusion

References

[1].Mireille Boutin, "ECE438 Digital Signal Processing with Applications," Purdue University August 26,2009

Questions and comments

If you have any questions, comments, etc. please post them on this page.

Back to ECE438, Fall 2014

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Ph.D. 2007, working on developing cool imaging technologies for digital cameras, camera phones, and video surveillance cameras.

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