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Noise constitutes a pure stochastic signal and is therefore "totally non-periodic"
(a) Examine the amplitude and phase spectra of noise. Is the spectrum continuous? Do amplitude and phase spectra display stochastic behaviour?
(b) Examine the amplitude and phase spectrum of lowpass filtered noise (e.g. cutoff frequency 50 Hz, BUTTERWORTH filter 6th order). Do both exhibit stochastic behaviour? Is the filtered noise also "completely non-periodic"?
The mean and the variance of a binomial distribution with parameters n and theta are 12 and 3. Find the probabilities: a. (P X or equal 7).
The quality control department at Alexander fasteners measured the length of 100 bolts randomly selected from a specified order.The mean length was found to be 9.75 cm, and the standard deviationwas 0.01 cm.
pick two specific energy assets such as a specific power plant natural gas processing plant oil tanker oil production
For the following signal x[n] = ( 1 0 n 4 0 otherwise (a) Compute its spectrum following the definition of the Fourier transform. (b) Obtain its magnitude spectrum in one period . Note: pay attention to that the magnitude must be positive.
Consider the data bus and the address bus. Which is bidirectional and which is unidirectional? Explain why each has its particular directional character.
A GaAs device is dopeed with a donor concentration of 3*10^15 cm^-3, For the device to operate properly, the intrinsic carrier cconcentration must remain less than 5 percent of the total electron concentration.
Two loads are connected in parallel. The voltage across the loads is 8kVrms. The first load is rated at 12 kW with a 0.6 lagging power factor. The second load is rated at 20 kVA with a 0.8 lagging power factor. Find the complex power of the two lo..
Determine the energy stored by each capacitor under steady-state conditions. - Repeat part (a) if the capacitors are in series.
Assume a house with 100 m2 of roof area. All the water runoff from the roof is collected into barrels of 55 gal capacity. The stored water is used to irrigate flower beds at the rate of 10 gal/day.
Suppose the suspension system of the average car can be fairly well modeled by an under damped harmonic oscillator with a natural period of 2 seconds. How far apart should speed bumps be placed so that a car traveling at 10 miles per hour
A DC motor is rated at 230V, 27.5A at normal full load. It turns at 1750rpm under rated conditions. It has total armature resistance of 0803 ohms, and it is desired to hold its maximum starting current to 150% of normal full-load current.
An electron beam coming from an electron gun consists of electrons that are uniformly distributed within a cylindrical region of space having a radius a = 1 [mm]. The axis of the cylinder is along the z axis, and the electrons are moving
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