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Titlebook: Basic Transforms for Electrical Engineering; Orhan ?zhan Textbook 2022 The Editor(s) (if applicable) and The Author(s), under exclusive li

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發(fā)表于 2025-3-28 14:44:11 | 只看該作者
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發(fā)表于 2025-3-28 18:49:25 | 只看該作者
The Laplace Transformency with a dimension of ... The projections on . are depicted as two surface graphs on the s-plane, either real and imaginary surfaces or the magnitude and phase surfaces. The . axis is where we observe the spectrum of signals. It turns out that LTI systems possess transforms that are rational func
43#
發(fā)表于 2025-3-29 01:26:38 | 只看該作者
The Fourier Seriesdio, while some others are quasi-periodic like voiced-speech uttering and noisy periodic signals. Linear Time-Invariant (LTI) systems treat complex exponential signals and the sinusoidal signals derived therefrom as eigenfunctions. If a linear system is driven by an eigenfunction, then the output is
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發(fā)表于 2025-3-29 04:15:04 | 只看該作者
The Fourier Transformy. When the period approaches infinity, the discrete set of Fourier series coefficients merge into a continuum, and the result is called the Fourier transform. Because the impulse function is nonperiodic, the impulse response of LTI systems is also nonperiodic, and its frequency response is a contin
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發(fā)表于 2025-3-29 09:23:49 | 只看該作者
Short-Time-Fourier Transforml instruments produce tones of different frequencies, phases, and amplitude during the performance. In step with the composition, the outcome is a signal with a time-varying spectrum. Normal Fourier transform cannot locate the spectrum of the song in time, because the Fourier transform is defined ov
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發(fā)表于 2025-3-29 11:49:40 | 只看該作者
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發(fā)表于 2025-3-29 15:58:25 | 只看該作者
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發(fā)表于 2025-3-29 23:22:58 | 只看該作者
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