ECE 425Digital Signal ProcessingFall 2009Topics & Concepts for Exam 2The following is a list of topics and concepts in the material which exam 2 will cover. This is acomprehensive listing of what we’ve done; obviously the exam cannot test everything andappearance 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 & InterpolationRelationships 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 — whatdoes the non-normalized DTFT look like and what is the equation that describes this? How is theDTFT related and what is the equation that relates it to the CTFT? Understand the techniques usedin the practical sampling derivations. Integrated sampling.
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