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1. Determine if the following Hamming codes have damaged data in it. Provide the corrected data for
(i) even parity scheme and
(ii) odd parity scheme:
2. Show how the BCD code words representing the decimal digits can be encoded as a Hamming code using an odd parity scheme.
suppose that A/D-H(z)-D/A system shown uses a sampling rate of 20000 samples/sec , let xa(t)=10cos (2p*500t)u(t) a- give another input signal x1(t) which gives the same samples x(n) b- give another input signal x2(t)
The voltage across the capacitor, vc(t), will reach some negative constant value after a long time. If the value of the capacitor is 39 microfarads, and if iC(t) is the same as in question 3 above, find the voltage across the capacitor at t = 7 sec..
steam is condensed on the outside of a heated exchanger tube by pressing air through the inside of the tube. the air enters at 1.2 bars, 20 degree c and a speed of 10 m/s. the air exits at 80 degree c. the steam enters 3 bars, 200 degree c
Calculate explicitly all the optimal joint power allocation and decoding policies to maximize the sum rate. Is the optimal solution unique? Hint: Clearly there is no benefit by allocating power to a user whose channel is fully faded (the zero ampl..
A triangular loop is placed in the x-z plane. Assume that a dc current, I = 2A ,flows in the loop and that B = 30az mWb/m exists in the region. Find the forces and the torque on the loop.
A distribution transformer is used to supply a household. below. The load consists of eight 100-W bulbs, a 350-W TV, and a 15-kW kitchen range. If the secondary side of the transformer has 72 turns
A 4-element unform linear array with interelement spacing of λ/2 is operated as a broadside array , find the beamwidth betwen nulls and the side lobe level in dB . in the above problem , it is required to re-design the 4 element array so as to loca..
Design an analog Butterworth lowpass filter that has a 0.5 dB or better ripple at 10 kHzand at least 45 dB of attenuation at 20 kHz. Determine the system function in a cascade form.
An input signal of 10V at 0o is applied to a parallel RLC circuit with resistor R = 100 , inductive reactance XL = 100 , and capacitive reactance XC = 200 . All three components are connected in parallel to the source. what is The source current.
An AC source which produces a peak voltage of 169.7 V is connected across a resistor of 10 Ω. How much energy is dissipated in the resistor in 5 s?
A modulator transmits symbols, each of which has 64 different possible states, 15,000 times per second. Calculate the baud rate and the bit rate.
If an ac machine has the rotor and stator magnetic fields shown in Figure, what is the direction of the induced torque in the machine? Is the machine acting as a motor or generator?
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