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homework and exercises - $j$-$\omega$ method alternating current circuit help - Physics Stack Exchange
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homework and exercises - $j$-$\omega$ method alternating current circuit help - Physics Stack Exchange
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discrete signals - Find $X(j\omega)$ after sampling of $2\cos(2000\pi t)+\sin(5000\pi t)$ at 5 kHz sampling rate - Signal Processing Stack Exchange
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