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This text explores the Discrete Time Fourier Transform (DTFT), a cornerstone in the analysis of signals and systems. The DTFT provides a frequency domain representation of discrete-time signals, highlighting their periodic nature. We cover essential properties, applications, and examples that illustrate how DTFT simplifies analysis in digital signal processing. Understanding the DTFT is crucial for engineers and researchers working with discrete systems and signals, leading to better system design and analysis strategies.
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