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A periodic signal x(t) is expressed by the following Fourier series:
a. Sketch the amplitude and phase spectra for the trigonometric series.
b. By inspection of spectra in part (a), sketch the exponential Fourier series spectra.
c. By inspection of spectra in part (b), write the exponential Fourier series for x(t).
d. Show that the series found in part (c) is equivalent to the trigonometric series for x(t).
it may be proper to treat the individual contributions as incoherent, allowing us to add powers. It is straightforward to show that the overall intercept point in this case is given by
Processes P1 and P2 each have a global variable x. Process P1 has threads T1, T3, and T5, while process P2 has threads T2, T4, and T6. The following sequence of assignments is made by various threads in the order shown
you are an electrician on the job. you have been given a multimeter that has the following AC voltage ranges: 30,60,and 150. the meter states that it has a resistance of 5000ohm/v. you need to be able to measure a voltage of 277 volts.
The purpose of this problem is to show you the connection between Fourier series and linear algebra. For simplicity, we will consider a finite basis. All questions will be referred to the following basis B = {1, sin(400t), cos(400t), sin(800t), cos..
Inherent problems associated with high voltage direct current transsmision
Design the simplest all-NOR circuit that has three inputs, x1, x2, and x3, which produces an outpt value of 1 whenever exactly one or two of the inpuit variables have the value 1; otherwise, the output has to be 0.
The diagram below is the schematic of a protection system for a 33/11kV double transformer substation in which the 33kV switchboard and the 11kV switchboard are at the same location.
Determine the junction capacitance per unit area.
Assume that vout(t) = Acos(2π ft), and nd an expression for vin(t). Use the results of part (a) to find an expression for the transfer function H (f) = Vout/Vin for the system.
Control systems can be either open-loop or closed-loop
A power amplifier has a gain of 15db and an input level of 2 volts. Assumming that the input and output impedance are the same. What is the voltage level at the amplifier output.
The motor whose torque-speed characteristics are are shown below drives the load shown in the diagram. Some of the gears have inertia. Find the transfer function.
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