Transcription of CHAPTER Linear Systems - The Scientist and …
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CHAPTER Linear Systems - The Scientist and …
87 CHAPTER5 Linear Systems Most DSP techniques are based on a divide-and-conquer strategy called superposition. Thesignal being processed is broken into simple components, each component is processedindividually, and the results reunited. This approach has the tremendous power of breaking asingle complicated problem into many easy ones. Superposition can only be used with linearsystems, a term meaning that certain mathematical rules apply. Fortunately, most of theapplications encountered in science and engineering fall into this category.
92 The Scientist and Engineer's Guide to Digital Signal Processing Shift invariance is important because it means the characteristics of …
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