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Let X be a random variable that is exponentially distributed with A>0, i.e., fX(x) = A*exp(-Ax), for x>=0; and fX(x)=0, for x<0. (a) Define Y=[X], which is the integer part of X. Find the PMF {P(Y=k)}k for Y as an explicit function of A and k, check that it is a valid PMF. (b) Let Z=X-[X], which is the remainder of X after subtracting its integer part. For z = [0,1] express FZ(z) as an explicit function of A and z. Find the pdf fZ(z), check that it is a valid pdf.
Consider a PCM-TDM system in which 24 signals are to be processed. Each signal has a baseband bandwidth of 3 KHz. The sampling rate has to be 33.3% higher than the theoretical minimum, and 8 bits are to be used.
a signal franging from 1khz to 100khz will be put into a davice that will need amplification that will output to speakers. A 12v battery is available as a power source, however the current out of the battery should be kept to a minimum.
use multisim or matlab to calculate the output signal v shown in fig. 3 use eq. 2 for your calculations. consider the
When a type of integrated circuit is tested at 185 degrees Celcius, 10% of the circuits fail within two weeks with VDD = 1.0V. Estimate the 10% lifetime at 95 degrees Celcius and 1.0V assuming Ea = 1.0eV.
How is the problem-solving process different when programming in assembly language versus programming in ladder logic?
a magnetic circuit has a mean length of 0.80 m, a cross-sectional area of 0.06 m^2, and a relative permeability of 2167. connecting its 340-turn 64-ohm magnetizing coil to a DC circuit causes a 56-V drop across the coil. determine the flux density..
let a character stream fromthis source be Huffmancoded. Then, let groups of consecutive four message bitsbe encapsulated into 8-bit SEC-DED Hamming code words.Suppose the following two Hamming are received:0101111001100001.
A substance expands from V1 = 1 ft3 to V2 = 6 ft3 in a constant-pressure process at 100 lbf/in2. The initial and final internal energies are U1 = 40 Btu and U2 = 20 Btu, respectively.
An industrial plant is to be supplied by three identical transformers. A decision must be made whether to purchased afourth transformer to build a sparing transformer system oralternatively, to configure the source as a secondary selective system.
In a typical commercial electrical distribution system, which is more common: an inductive power factor, or a capacitive power factor. What is the most common technique used to correct this kind of low power factor.
One system has a cpu a tdp of 125w and one has a 67w tdp. 125W System has 10 times bigger copper heatsink and blows 3 times more volume of air than the system of 67w. The 125w system reads 55C max CPU core temperature.
Three single-phase transformer are used to form a three-phase transformer bank rated 13.8kV(delta)/120kV(wye). One side is connected to a three-phase load of 12 MVA at 0.8 power factor lagging. Determine the turns ratio of each transformer
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