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A digital transducer has 80 cut-outs. It is used tomeasure the speed of a motor shaft. Output signal frequency is800Hz. Find out the motor shaft speed?
Given y[n]=x[n]+y[n-1]+y[n-2] find the unit-step response of this system using the transfer function method, assuming zero initial conditions.
Can we build a bandpass filter using a low pass and a high pass filter combination. If your answer is yes, then how should the cut off frequencies be arranged. Illustrate your answer with a simple example.
A load consisting of a 480 ohms resistor in parallel with a (5/9) uF capacitor is connected across across the terminals of a sinusoidal voltage source Vg, where Vg=240cos5000t V. a) What is the peak value of the instantaneous power delivered by the..
How much hydrogen would be needed to give the car a range of 300 miles if the source of electricity is an on-board fuel cell with an efficiency that is 50% of the ideal?
Suppose host A and the DHCP server are separated by 2 kilometers and are connected by a direct link of R = 2 Mbps. Suppose the propagation speed over the link is 2.5×108 meters/sec. Neglecting the processing and queuing delays and assuming each pa..
Sketch the baseband signals for the two users when user 1 sends the bits 011, and user 2 sends the bits 101. Add the signals for the first bit only, and show that the output of the correlator for user 1 is -4, corresponding to a 0
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.
the voltage v in a certain circuit is described by the differential equation 3v"+24v'+75V=0 a) determine the values of α and w0 b) what type of damping is exhibited by V(t)
Use Microsoft Excel to compare costs from at least three different vendors and reasons to accept specific bids. (May use graphs in Excel to provide a better visual comparison)
An angle-modulated signal with carrier frequency ???ωc=2πx106 is described by the equation φEM(t) =10cos(ωct +0.1sin200πt) (a) find the power of the modulated signal. (b) find the frequency deviation Δf. (c) find the phase deviation ΔΦ.
Assuming that directions of arrival are uniformly distributed at the mobile, how large is the correlation coefficient for a GSM 900 system between the channel in the middle and the end of the burst when the mobile station moves at 200 km/h
If we have a 600ohm transmission line terminated with a 1200ohm resistor, how long must the transmission line be if the input impedance is purely real?
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