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Suppose we observe a random process (without any noise) over a time interval Based on this observation, we wish to predict the value of the same random process at time That is, we desire to design a filter with impulse response, , whose output will be an estimate of
(a) Find the Wiener-Hopf equation for the optimum (in the minimum mean square error (MMSE) sense) filter.
(b) Find the form of the Wiener filter if
c) Find an expression for the mean square error
A second-order system is being designed. It is desired that the percent overshoot be between 10 and 20 percent. Using the relationship between percent overshoot and damping ratio, this corresponds roughly to zeta being 0.45 and 0.6.
A square-law modulator for generating an AM wave relies on the useof a nonlinear device. The given figure depicts the simplest form of such amodulator. Ignoring the higher order terms, the input-output characteristics of thediode-load resistor
Box 1 contains 1000 transistors, of which 100 are defective, and box 2 contains 2000 transistors, of which 100 are also defective. A box is taken at random and two transistors are drawn from it, at random and without replacement.
Determine the force exerted on q2 by q1 if q1 = 3 x 10-4 C and q2 = -10-4 C and are located at point A(1, 2, 3) and point B(2, 0, 5). respectively.
The voltage ratings are 4800v rms and 240v rms for the primary and secondary windings, respectively. The transformer is rated to 10KVA. Now we want to use this transformer at 120Hz. Discuss the factors that must be considered in setting ratings ap..
Now that you have gained some familiarity with solar cells and their characteristics, what are your impressions about the efficiencies of these devices What are some applications for solar cells that are currently being used Why is this technology..
Consider an angle-modulated signal xc(t) = 10 cos{(10^8)pi t + 5sin 2pi(10^3)t}. Find the maximum phase deviation. Find the maximum frequency deviation.
A 10-hp six-pole 60-Hz three-phase induction motor runs at 1160 rpm under full-load conditions. Determine the slip and the frequency of the rotor currents at full load. Also estimate the speed if the load torque drops in half.
GaAs (n = 3.6) for light of wavelength λ = 1.3 μm that will operate only in the fundamental mode. Assuming the cover layer is air and the substrate has a refractive index ns = 3.5, what range of the GaAs layer thickness can be? (b) If we want t..
Find the magnitude and phase angle of the load reflection coefficient, the maxima and minima of the total voltage and of the current of the line and their locations, and the standing wave ratio of the line, and sketch the voltage and current stand..
Find the mathematical expression for the current through the coil once the switch is closed. - Find the mathematical expression for the voltage across the coil during the same transient period.
The transmission line inductance is 0.01H and the compensation capacitor is 100μF. The source voltage contains several harmonics. Use any simulation software and find the frequency at which the voltage across the load is at its maximum value.
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