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The sum of two independent random sequences with autocorrelation functions
is input to an LTI filter. (a) Determine the Wiener smoothing filter. That is, find the impulse response of the filter which produces an output which is an MMSE estimate of S[n].
(b) Find the PSD of the filtered signal plus noise.
(c) Find the input SNR and an estimate of the output SNR. Discuss whether or not the Wiener filter improves the SNR.
Design an inverting op-amp circuit for which the gain is -5V/V and the total resistance used is 120kΩ
A coil made of 150 turns of copper wire wounded ona cylindrical coil . If that means radius of the turns in 6.5mm and the diameter of the wire is 0.4mm, calculate the resistance of the coil.
Determine the bubble and dew pressures of a mixture that contains 60% dioxane at 308.5 K. These questions can be answered more easily if you plot the Pxy graph based on these data.
a laser diode has a threshold current of 12 ma and emits at 3 mwma rate. a diode current of 15 5sin omegat ma
Determine the majority and minority carrier concentrations on both sides.
Consider a PNP BJT optimum designed for low voltage high current gain. (a) Draw energy band diagram with proper labeling with VCB= -0.7V, VEB= 0.7V. Which mode is the BJT operated in (b) Plot excess minority charges stored in each region with pro..
The curved portion of the bar shown has an inner radius of 20 mm. Knowing that the allowable stress in the bar is 150 MPa, determine the largest permissible distance α from the line of action of the 3-kN force to the vertical plane containing the ..
A company wants to evaluate two methods of packaging their products. Using an interest of 10%, determine which one of the two methods is the most desirable alternative.
a) Identify the geometric shape that is formed by plotting the above equation. b) Draw the geometric shape defined by the above equation. c) What is the centerand radius of the shape defined by the above equation
Once a week a wagon driver leaves his hut and drives his wagon to the river dock to pick up supplies for his town. At 4:05 PM, one-fifth of the way to the dock, he passes the Temple. At 4:15 PM, one-third of the way, he passes the Preetam-Da-Dhaba..
Using the message signal m(t) = 1/(1+t^2) , determine and sketch the modulated signals for the following methods of modulation: (c) SSB modulation with only the upper sideband transmitted. (d) SSB modulation with only the lower sideband transmitted.
Derive a transcendental equation for the resonant frequency of the dominant mode by writing the fields in the air- and dielectric-filled regions in terms of TE10 waveguide modes, and enforcing boundary conditions at z = 0, d - t, and d.
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