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exam2study.425.09 - ECE 425 Digital Signal Processing Fall...

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ECE 425 Digital Signal Processing Fall 2009 Topics & Concepts for Exam 2 The following is a list of topics and concepts in the material which exam 2 will cover. This is a comprehensive listing of what we’ve done; obviously the exam cannot test everything and appearance of a concept on this sheet does not guarantee it will appear on the exam. Coverage is comprehensive and covers homeworks 1-8 and labs 1 and 2. Sampling & Interpolation Relationships between the CTFT, the non-normalized DTFT, and the (regular) DTFT. Relationship between the DT frequency variable and the CT frequency variable . Aliasing. When can the original CT signal be perfectly recovered from the samples? Ideal sampling — what does the non-normalized DTFT look like and what is the equation that describes this? How is the DTFT related and what is the equation that relates it to the CTFT? Understand the techniques used in the practical sampling derivations. Integrated sampling.
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