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A discrete-time LTI system is described by the difference equation
y[n] + 4y[n-1] + 3y[n-2] = x[n] + 5x[n-1] + 6x[n-2]
a) Draw a cascade or parallel form for the block diagram representation of the systemb) Determine the possible ROC's of this system. For each case determine causality and stability of the system.
How many turns are required for a circular loop of 100-mm radius to develop a peak emf of 10mV if the loop rotates 30r/s in the earth's magnetic field Take B = 60E-6T.
A hybrid communication system uses both AMSC and FM. The information signal a(t) is first AMSC modulated with the subcarrier frequency 1000 Hz. Then it passes through an FM modulator with the carrier frequency 10Mhz.
The floor causes couple moments Ma =60 Nm and Mb =35 Nm on the brushes of the polishing machine. What force F is required by the operator so that the resultantmoment on the polisher is zero. Set a = .3 m.
A link is transmitting 10 Mbps in a bandwidth of 10 MHz using 1 mW of power. (Box 1) What change will you do to double the data rate and why (Box 2) How can you use the link if the noise were larger than the signal
Contains basic function in MATLAB files. Write MATLAB script(s) to plot the basic signals below in two subplots. The upper subplot should be a continuous waveform (don't do g) and the lower subplot should be a discrete plot.
Write a ladder logic program needed to implement each of the following (assume inputs A, B and C are all normally open toggle switches).
How many different code words are there How many code words have exactly two 0's. If 0 and 1 are equally likely, what is the probability to obtain a code word with exactly two 0's
Determine the gain K so that the phase margin is 45 degrees. For the gain K selected in part (a), determine the gain margin. Predict the bandwidth of the closed-loop system.
Assume that capacitor is completely discharged when t
The transfer function of a particular active low pass filter is G(s) = 200/[s(1+0.4s)(1+0.1s)]. a) At a frequency of 1.0Hz it is determined that the gain of this filter in dB b) Find the phase shift in degrees through the filter as the frequency appr..
Three point charges are positioned in the x-y plane as follows: 5 nC at y = 5 cm, -10 nC at y = -5 cm, and 15 nC at x = -5 cm. Find the required x-y coordinates of a 20-nC fourth charge that will produce a zero electric field at the origin.
1- What is the magnitude of the impedance of an inductor of 34 H at an angular frequency of 783 rad/s (0 decimals in k) 2- What is the phase angle of the impedance of an inductor of 87 H
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