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calculate the impulse of an ideal filter with cut-off frequency of a)2KHz, and b)3KHz for a signal sampled with a rate 8000 samples/sec.
a. Sketch the spectrum of the original signal and the sampled signal from 0 kHz and 25 kHz. b. Sketch the recovered analog signal spectrum if an ideal lowpass filter with a cutoff frequency of 4 kHz is used to filter the sampled signal. X(f) 10k 2..
A)What is the standard frequency of the AC voltage generatedand distributed by an electrical utility. B)Explain the function of the prime mover in the generating process.
The voltage and current for a circuit element are v(t) = 10 + 6 cos(377t + -60) - 7 cos(754t + 10) V & i(t) = 7 + 4 cos(377t + -20) + 5 cos(754t + 10), with the phase angles given in degrees.
Draw a diagram for a MOD-10 Johnson counter using a 74HC164. Makesure that the counter will start the proper sequence when it isturned on. Determine the count sequence for this counter and draw the decoding circuit needed to decode each of the 10 ..
A 1.2 MW wind turbine has a rotor diameter of 64 m. the turbine operates in an area with an average wind velocity of 7.5 m/s and the air density of 1.18 kg/m^3. the turbine power coefficient including the unit efficiency is 42.8 percent.
design an 8-bit programmable microprocessor-compatible TIMER IC by doing the following steps: Specify, draw , and clearly label( the functional name), the complete set of 8-bit registers that will be needed in the TIMER.
Data at a rate of 2 Mbps is to be transmitted via a pass-band communication system whose carrier frequency is 500MHz. A binary antipodal system with roll-off factor of 0.2 is used for this communication. The AWGN single-sided power spectral densit..
1) Calculate the open circuit voltage VOC (ZL removed) (magnitude and phase angle) 2) Calculate the Thevenin Equivalent impedance ZTH for this circuit (magnitude and phase angle)
Use a modulation index of 50 percent and a sampling rate of 160 kHz. In this project, develop a coherent demodulation for the modulated signal. Assume there is no channel error.
An object in a microwave oven 25 cm in diameter and 4 cm thick is being warmed. Determine how deeply the signal penetrates if the objects εr is 12.5 and σ is 2 S/m at a frequency of 2.5 GHz. Assume that the plane wave calculations are valid.
A 60 hp, 3-phase motor absorbs 50 kW from a 600 V, 3-phase line. If the line current is 60 A, calculate the following: (a) The efficiency of the motor (b) The apparent power absorbed by the motor (c) The reactive power absorbed by the motor
In this project we will consider the control of a synchronous generator supplying electricity to the grid.
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