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An audio signal s(t) generated by a loudspeaker is reflectedat two different walls with reflection coefficientsr1 and r2. The signal x(t)recorded by a microphone close to the loudspeaker, after sampling,is:x(n) = s(n) + r1s(n-k1) +r2s(n-k2)Where k1 and k2 are the delays of thetwo echoes.a.) Determine the autocorrelation rxx(l) of thesignal x(n).b.) Can we obtain r1, r2, k1and k2 by observing rxx(l)?c.) What happens if r2 = 0?
The current through a 8 mH coil changes at the rate of 3.5 A/s. Determine the voltage that appears across the inductor. (mV)
The output response for a system is given as Vo(t) = A(1-e^-at)sin(ωt). Is this a proper representation for an output response given that it contains a sinusoidal term? Fully explain your answer.
Write a program to compute the impedance Z and the inductance L of an electrical coil, given the voltage V, current I (amps), resistance R (ohms), and frequency F (cycle/second). Make use of selection and conditional repetition.
A large brass washer has a 2-cm inside diameter, a 5-cm outside diameter, and is 0.5 cm thick. Its conductivity is s = 1.5 × 107 S/m. The washer is cut in half along a diameter, and a voltage is applied between the two rectangular faces of one par..
An embedded system with a 8 bit analog to digital converter is connected to a transducer with an output voltage of 20 millivolts. This signal is then amplified by an amplifier with a gain of 50. Assume that this signal level is appropriate for the..
design a Melay sequential circuit which investigates an input sequence x and which will produce an output of z=1 whether thetotal number of 0's in the sequence is odd,provided that thesequence 01 has occured at least once.
Use Smith Chart: A 100 Ohm air-coaxial transmission line is measured to have an input impedance of 100 + j100 Ohms. If the system is operated at 100 MHz and is one meter long, what is the terminating load impedance
The probability that a person will install a black telephone in a residence is estimated to be 0.3. Find the probability that the tenth phone installed in a new subdivision is the fifth black phone.
An autotransformer with a total of 600 turns has its secondary winding embracing 200 turns. The 600 turns are connectred to a 60Hz, 2400V driving voltage. A load connected to the secondary draws 4.8kVA at 0.6 power factor lagging.
Convert both numbers to 4-bit values, take the 2's complement of 9 and add them. What happens to the carry out How does that compare with what happens when you subtract 8 from 9
The general expression for an idealized uniform plane water wave propagating in the +x direction is h(x,t) = Acos(wt - kx + phi) m where h represents the height of water particles at the water surface above the unpurturbed or quiescent water surface ..
The quality control department at Alexander fasteners measured the length of 100 bolts randomly selected from a specified order.The mean length was found to be 9.75 cm, and the standard deviationwas 0.01 cm.
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