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A signal x(t)=sinc(200*pi*t) is sampled (multiplied) by a periodic pulse train. Find and sketch the spectrum of the sampled signal. Explain whether you will be able to reconstruct x(t) from these samples. Find the filter output if the sampled signal is passed through an ideal lowpass filter of bandwidth 100 Hz and unit gain.
What is the filter output if its bandwidth B Hz is between 100 and 150 Hz?
What happens if the bandwidth exceeds 150 Hz?
Define X and Y to be two discrete random variables whose joint probability mass function is given as follows: P(X = m, Y = n) = e^7*4^m*3^n?m / m!(n m)! , for m = 0, 1, . . . , n and n = 0, 1, 2, . . . , while P(X = m, Y = n) = 0
Research coal deposits in the USA and US coal mine production. Approximately, what was the US annual production of coal from mines in recent years What was the coal production of the Appalachian or Eastern province
Water is flowing through a 0.1 m diameter pipe at a velocity of 2.5 m/s. what diameter pipe will it need to transition into to decelerate to 0.5 m/s
the wavelenght of green light Lamda =550nm. Determine the wave number, the angular frequency,and the peroid of the wave. The speed of light is 3*10^8 m\s.
A generator is rated at 500 MVA (three phase) and 22 kV (line-to-line). Its Y-connected windings have a reactance of 1.1 per unit. Find the ohmic value of the reactance of the windings. What is the per unit value if we change the base to 200 MVA a..
Assume that we will use a double-precision number for non-integer numbers (if you recall, this means a binary "scientific notation" with a sign bit, 11 exponent bits using an excess-1024 representation, and a 53-bit mantissa of the form 1.--52 bits-..
a. The mass of an electric car is 900 kg including the passengers. A single motor mounted on the front wheels drives the car, and the radius of the wheel is 0.3 m. The car is going downhill at a speed of 50 km/hr, and the slope of the hill is 30 d..
Suppose a certain causal signal f(t) has a Laplace transform F(s) = 1. If f(t) is sampled at times kT where T is a constant time interval and integer k>=0, what are the sample values
Show that a linear dependent current source controlled by a voltage appearing across an element in parallel with the dependent source is equivalent to a resistor. Determine the value of the resistance in terms of the parameters of the dependent so..
Write a C-program to generate K-map row and column headings for an arbitrary number of row or column input variables, i.e. 4x4 k-map for 2 row and 2 column variables, 16x16 k-map for 4 row and 4 column variables, etc.
Explain the process of processor development
Determine the maximum theoretical power that can be developed by the turbine, in kW, and the corressponding exit temperature. If the steam exits the turbine at 250 degree C and 0.5 MPa, determine the isentropic efficiency.
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