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Frequency Transformations for Continuous-Time Systems

August 10, 2019 by

Frequency transformations convert prototype lowpass filters to arbitrary lowpass, highpass, or bandpass filters. This lesson teaches you the three standard frequency transformations for continuous-time systems. You will learn why they work by studying the way they warp the frequency axis. Frequency transformations also exist for discrete-time systems. Continuous-time transformations are studied here to explain the frequency transformation step of MATLAB's IIR filter design procedure.

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