% 1. Unit Impulse subplot(4,1,1); stem(t, delta, 'filled', 'r'); title('Unit Impulse Signal \delta(t)'); xlabel('time(seconds)'); ylabel('unit impulse'); grid on ...
Quantization involves mapping sampled values to a finite set of discrete levels. It reduces the precision of the signal but is essential for digital representation. Up Scaling (Expansion): Increases ...
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