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The exponential Fourier spectra of a certain periodic signal x(t) are shown in Fig. 6.13. Determine and sketch the trigonometric Fourier spectra of x(t) by inspection of Fig. 6.13. Now write the (compact) trigonometric Fourier series for x(t).
a 400v induction motor runs with slip 3% and consumes 5800w from the supply. it the stator losses equal 500w and the mechanical losses are 100w. calculate the output power of the motor
A telephone line has the following parameters: R = 40 W/m, G = 400 mS/m, L = 0.2 mH/m, C = 0.5 nF/m. (a) If the line operates at 10 MHz, calculate the characteristic impedance Zo and velocity u,
Find the rms values of the voltages vR and vC at a frequency of 1 kHz. - Plot vC versus frequency for the frequency range zero to 10 kHz.
How does the placement location of ECG leads affect the signal measured Why is the placement of ECG leads on the wrists equivalent to placing them on the chest
A ring of magnetic material has a rectangular cross-section. The inner diameter of the ring is 20 cm and the outer diameter is 25 cm, its thickness being 2 cm.
Write a control algoirthm for a temperature control loop for a heat echanger (steam to hot water) employing a temperature control valve, controller, and thermostat. In your algorithm include a step change and ramp change.
Calculate the magnitude of the phase voltage-Calculate the magnitude and phase of all line currents-Calculate the magnitude and phase of the neutral current
A cellular radio transmitter has a power output of 3W at 800 MHz. It uses an antenna with a gain of 3 dBi. The receiver is 5 km away, with an antenna gain of 12 dBi. Suppose that the transmission line losses are 1 dB at the transmitter
Suppose that we define the value of the complex constant A as A = -2 + 2j. Write the constant A in magnitude-angle form, that is, find |A| and A such that A = |A|ej A Sketch the real part of the function z(t), where z(t) = Aej(500pit+pi/2).
Given a sinusoidal function, write a program to determine the rms value, frequency, and period.
If we know that the alphabet is made of four symbols with the probabilities of P(A) = 0.4, P(B) = 0.3, P(C) = 0.2, and P(*) = 0.1, find the original message.
If the output of the function generator for a sinusoidal waveform is 6 voltage divisions peak to peak and the voltmeter reads 2.12V, find the volts/div scale that is being used. If the frequency is 1 KHz and the peaks are 5 horizontal divisions ap..
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