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Let x[n] be a finite sequence that is nonzero for n [N1, N2], and h(n) be a finite sequence that is nonzero n [N3, N4]. Answer the followings:
a. For fixed n, what is the range of k that makes h(n-k) nonzero?
b. What is the range of n for nonzero y[n]?
c. What is the range of n so that the product x[k]h[n-k] is zero?
d. What is the length of y[n]? (y[n] is the convolution of x[n] and h[n])
find the force between a charged circular loop of radius b and uniform charge density P l and a point charge Q located on the loop axis at a distance h from the plane of the loop. What is the force when h>>b, and when h=0
Determine the relative probability of finding the electron at the distance (a) 12 A beyond the barrier, and (b) 48 A beyond the barrier, compared to the probability of finding the incident particle at the barriers edge. Plot the wave function for ..
Assume that a receiver has a first amplifier stage with a 5K-ohm input resistance, a gain of 300, an input audio signal of 20V, and an operating temperature of 27oC. When the amplifier is operating with a bandwidth first of 10 MHz
A marine biologist is monitoring a dolphin swimming in seawater where the speed of sound is 1520 m/s. When the dolphin is swimming directly away at 5.4 m/s, the marine biologist measures the number of clicks occuring per second to be at a frequenc..
A thin conducting wire of length 3w forms a planar equilateral triangle. A Direct current I flows in the wire. Find the magnetic flux density at the center of that triangle.
v(t)=20te^( -40t ) and i(t)=50te^( -40t ) for t>=0 both v and i are zeros for i
Design an open-circuited, shunt stub matching network to match a 125 + j20 ohm load to a 700 MHz, 50ohm generator. Show the lengths of your transmission lines in fractions of a wavelength.
A temperature sensor has a static transfer function of 0.15mV/C and a time constant of 3.3s. If a step change of 22 degrees to 50 degrees C is applied at t=0, find the output voltages at .5s, 2.0s, 3.3s, and 9s. What is the indicated temperature a..
doped silicon at 300 K contains 10^16 acceptor atoms/cm^3. Find the hole concentration and the free-electron concentration.
Suppose we had connected at the input to channel 0 a circuit of the type that attenuates all frequencies above 50 Hz at a rate of 6 dB/octave. What will we then see in the output when we apply 4960 Hz at the input
The voltage across a certain load is V =1200*sqrt(2)*30 V, and the load impedance given by Z = 40 j30 ohms . Is the load inductive or capacitive Determine the power factor, complex power, real power, reactive power, and apparent power delivered to..
What will be the output voltage from the bridge for a change in temperature of 20o C The supply voltage to the bridge is 6.0 V and the temperature coefficient of resistance of the platinum is 0.0039 K-1.
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