November 2010
Intermediate to advanced
288 pages
8h 34m
English
book
Notes on Digital Signal Processing: Practical Recipes for Design, Analysis and Implementation
by C. Britton Rorabaugh
Content preview from Notes on Digital Signal Processing: Practical Recipes for Design, Analysis and Implementation
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Note 55. Interpolation Fundamentals
Interpolation is the name given to the process of increasing a discrete-time signal’s sampling rate, while leaving all other characteristics of the signal unchanged to the maximum extent possible. Normally, the goal in designing a DSP system is to reduce the computational burden in the system by using the lowest possible sampling rate that provides a signal quality adequate for the targeted application. Given this goal, why concern ourselves with techniques that are used to increase the sampling rate of a signal that has already been sampled at an adequate rate? There are several situations in which interpolation of a signal may be required:
- The signal will be subjected to some nonlinear processing that will ...
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