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Sinusoids | Sine and cosine function review, Sampling and plotting sinusoids, Speech sigmal: BAT | ![]() |
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Sinusoids | (A, ω, φ) from a PLOT, Complex Exponentials and phasors, Polar codinate | ![]() |
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Sinusoids | Real part example, Avoid trigonometry, real & imaginary part plots, complex amplitude | ![]() |
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Sinusoids | Want to add sinusoids, Phasor add, Frequency diagram | ![]() |
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Spectrum representation | Euler's Formula Reversed, The spectrum of sum of sinusoids, Beat notes | ![]() |
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Spectrum representation | Periodic Waceforms, Harmonic, Fundamental Frequency | ![]() |
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Spectrum representation | Fourier series | ![]() |
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Spectrum representation | Spectrum of Fourier series | ![]() |
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Spectrum representation | Fourier analysis of periodic signals, Fourier series synthesis | ![]() |
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Spectrum representation FIR filters | Time-frequency spectrum, Frequency modulation, Discrete-time system | ![]() |
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FIR filters | Running-average filter, General FIR filter, 4-pt Averager | ![]() |
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FIR filters | Impulse response, Convolution of FIR filter, Frequency response function for LTI systems, Implementation of FIR filters, Linear time-invariant system | ![]() |
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FIR filters | Convolution and LTI system, Cascaded LTI system | ![]() |
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FIR filters Sampling and aliasing | Example of FIR filtering, Sampling | ![]() |
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Sampling and aliasing | Sampling theorem, Spectrum view | ![]() |
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Sampling and aliasing | Spectrum view, Spectrum interpretation | ![]() |
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Sampling and aliasing | Spectrum interpretation, Normalized Frequency, Spectrum (aliasing case) | ![]() |
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Sampling and aliasing | Spectrum(More lines, Folding case), Digital Frequency, Folding diagram | ![]() |
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Frequency response of FIR filters | Sinusoidal response of FIR systems, Superposition and frequency response | ![]() |
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Frequency response of FIR filters | 11-pt Averager, D-A Frequency scaling | ![]() |
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Fourier Transforms | Definition of Fourier transform, square wave signal, Limiting behavior of FS | ![]() |