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Consider the following signals, sketch each one of them and comment on the periodic nature:
(a) x(t) = A cos(2πf0t + θ), where A, f0, and θ are the amplitude, frequency, and phase of the signal.
(b) x(t) = ej(2πf0t+θ) , A> 0.
(c) Unit step signal u-1(t) defined by u-1(t) =
(d) Discrete-time signal x[n] = A cos(2πf0n + θ), where n is an integer.
Problem: (a) Compare the different MAC schemes, namely FDMA, SDMA, TDMA and CDMA. (b) Describe with help of diagrams the different phenomena involved in multipath propaga
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circuit diagrame
Calculate total resistance among terminal A and B for the circuit below.
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why we plot graph to find bandwidth is drawn b/w av/avmax v/s frequency not av v/s frequency?
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Explain cascading of multiple PICS 8259. The 8259A adds 8 vectored priority encoded interrupts to the microprocessor. It can be expanded to 64 interrupt requests by using one
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