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A digital communication link carries binary-coded words representing samples of an input signal xa(t) = 3 cos 600pt + 2 cos 1800p.The link is operated at 10,000 bits/s and each input sample is quantized into 1024 different voltage levels.
(a) What is the sampling frequency and the folding frequency?
(b) What is the Nyquist rate for the signal xa(t)?
(c) What are the frequencies in the resulting discrete-time signal x(n)?
(d) What is the resolution
On a certain aircraft, the main control circuit on an autopilot fails with probability p. A redundant backup circuit fails independently with probability q. The aircraft can fly if at least one of the circuits is functioning.
Two amplifiers are cascaded, one with a voltage gain of 6 db and the other with a voltage gain of 4. if 1 V is applied at the input of the first amplifier, what is the voltage at the output of the second amplifier
Does the degree of difficulty change when switch from solving a two loop mesh circuit to a three loop mesh circuit Why and why not
An electroencephalographic (EEG) signal x(t) is recorded from the surface of the head (scalp) via an EEG recording machine. The EEG machine has a bank of 4 ideal band-pass (BP) analog filters, H1(jω), H2(jω), H3(jω) and H4(jω)
A capacitor in an RC circuit with R = 5.00 ohm and C = 6.00 mF is being charged. What is the time required for the capacitor voltage to reach 86.5 percent of its steady-state value
how can we write those operations just once but allow them to be easily used whenever needed within a program or from
At oneparticular quiescent operating point, a BJT produces a 300 mAchange in collector current for a 0.1 volt change in thebase-emitter voltage. What is gm for thistransistor in millisiemens
A discrete periodic signal shows the signal characteristics in one period as below. find the Fourier Series (FS) of this signal in frequency domain. write down in detail of your procedures. 1; n=1 0; n=0 x[n]{ -1; n=1 1/2; n=2 3; n=3.
Use Matlab to verify the central limit theorem for the sum of N independent exponential RVs (with a=0 and b=4) for N=5, 10 and 20. Repeat for the sum of N independent RayleighRVs (with a=0 and b=4). Comment on the fit to the approximate Gaussian pdf.
Two wires - A and B - with circular cross-sections have identical lengths and are made of the same material. Yet, wire A has four times the resistance of wire B. How many times greater is the diameter of wire B than wire A
A horizontal conductor that is part of a power line carries acurrent of 7200 A from south tonorth. Earth's magnetic field (60.0 µT) is directed towardthe north and is inclined downward at 70° to the horizontal.
Based on these equations, determine the maximum power point. This is the value of and T that result in maximum power. State the power and the (,T) values. Do not assume this happens at 0.5T. The best way to do this is to make an Excel spreadsheet.
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