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It is desired to estimate the spectrum of x[n] by applying a 512-point Kaiser window to the signal before computing X (ejω).
(a) The requirements for the frequency resolution of the system specify that the largest allowable main lobe for the Kaiser window is π/100. What is the best side-lobe attenuation expected under these constraints?
(b) Suppose that you know that x[n] contains two sinusoidal components at least π/50 apart, and that the amplitude of the stronger component is 1. Based on your answer to part (a), give a threshold on the smallest value of the weaker component you would expect to see over the side lobe of the stronger sinusoid.
Name an application in industry that uses inductors and/or capacitors in its operation.
An two engine plan is capable of flying as long as one engine isrunning. Let the right and left engines be X and Y random variables that are independent. Denote the densities for Xand Y as fX and fY , and the distributions are FX(x) and FY(y).
Consider a magnetic dipole carrying a current I. a. Calculate the magnetic flux density B at a point P specified in spherical coordinates. Express the answer in terms of the magnetic dipole moment m. Justify all the assumptions adopted.
The length of time to failure (in hundreds of hours) for a transistor is a random variable Y with cumulative distribution function given by the following: F(y)-e-y^2 for y >- greater than or equal to 0. a. Find the pdf of y.
Consider a regenerative Rankine cycle with a 600C and 4-MPa throttle, a 5-kPa condenser, and an open feedwater heater at 500 kPa. Turbine efficiencies are 85%. (a) Draw labeled, coordinated T-s and flow diagrams.
A 1.55 micro meter fiber-optic communication system is transmitting digital signals over 100 km at 2 Gb/s. The transmitter launches 2 mW of average power into the fibre cable, having a net loss of 0.3 dB/km.
Pick two functions, x1(t) = cos(w1t) and x2(t) = sin(w2t) where w1 and w2 are dierent frequencies (to make life easy you should probably select these frequencies such that their ratio is a rational number). By hand, solve for the Fourier Transform..
A) An AC sine wave voltage is measured using an AC voltmeterand found to be 10 volts. What is the peak value of this voltage B) What is the rms value C) What is the peak-to-peak value
1) Determine the transfer of second-order highpass filter with a cutoff frequency of 900 Hz and passband gain of 1 using a butterworth type. 2) Design a filter for your transfer function from question.1 using the sallen-Key topology.
The feedback system for the Buck circuit can be analyzed by separating DC component from small signal perturbation. The performance of the feedback can be assessed by examining the Bode plot of the loop transfer function GL(s).
A mechanic uses a piece of pipe AB as a lever when tightening an alternator belt. When he pushes down at A, a force of 580 N is exerted on the alternator B. Determine the moment of that force about bolt C if its line of action passes through O.
Let x(t) = cos(3/4(t+1/2)+1/4) a. Determine the frequency, the period of x(t) b. Given another signal, y(t)= sin(3/4(t+1)+3/8), is y(t) identical to x(t) Why
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