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the signal x(t) = e^ -|t|
(A) Plot the singal x(t) and determine if this signal is finite energy. That is compute the integral and deretmine if it is finite.
(B) If you determine that x(t) is absolutely integrable or that the integral is finite, could you say that s(t) has finite energy? Explain why or why not. HINT:Plot |x(t)| and |x(t)|^2 as functions of time.
(C) from your results above, is it ture the enegry of this signal y(t) = e^-t cos (2*pi*t)u(t) is less than half the energy of x(t)? Explain. to varify your result use symbolic Matlab to plot y(t) and compute its energy.
(d) to discharge a capacitor of 1mF charged with a voltage of 1 volt we connect it, at time t = 0, with a esistor of R ohm. When we measure the voltage we find it to be V(r) (t) = e ^(-t) u(t). Determinethe resistance of R. If the capacitor has a capacitance of 1 microF, what would be R? in general how are R and C related?
The input power to the geenrator is 100hp. When the generator is operating at rated values and unity power factor, the generator is 80% efficient. a.) Find the generator speed in rpm and rad/sec. b.) Find the mechanical torque supplied to the gener..
A 1.1 mF capacitor has initial voltage of 12 V.The energy stored in the capacitor is used to light up a 0.7 KOhm lamp.Assuming that the lamp is completely dimmed when the current through it is less than 0.2 mA, for how long can the capacitor susta..
how to design boost converter and inverter parameters?
What is the data rate of a digital electrical communication system that uses 16 voltage levels to carry multiple bits with one voltage level, where each voltage level is kept at that level for a duration of 2 ms
Plot the steady state torque-speed characteristic for Va = 100V, 60V, and 30V. Calculate the armature voltage to be applied in the steady state at the speed of 1500 rpm when the motor torque load require is 3 Nm.
Describe whether Google is exploitive, impoverished, supportive, or enlightened. Describe the features google that indicate which kind of organization it is. Describe five steps google could take to become better and move up in the scale.
The output capacitor in a certain resonant converter sees the net current equal to 40cos(50,000 pi t) A. What value of capacitance will be needed to keep the voltage variation below 5V peak-to-peak
A certain battery has terminals labeled a and b. The battery voltage is vab = 12 V. a) To increase the chemical energy stored in the battery by 600J, how much charge must move through the battery
A bar phantom is imaged by an LSI system which is modeled as an ideal moving average system. The PSF of the system is h(x,y) = rect(x/delta, y/delta) (a) If bar separation of the bar phantom is f what is the output of the imaging system
A 4 pole 50 kW dc machine has a value of Ea = 110 V at 1100 rpm. What is the induced voltage is the speed is increased 20%. Note: omega(w) = (2f*n)/60 where omega is in rad/sec, and n is in rpm
Let x[n] = [1,2,3,2,1] with arrow under 3 and y[n] = [2,1,0,-1,-2] with arrow under 0. a) using scanning operation, determine and plot correlation sequence between two signals. b) Determine and plot correlation coefficient.
A receiver has a sensitivity of 0.3 µV. The same receiver can handle a signal level of 75 mV without overloading. The receiver has a blocking dynamic range of 80 dB. If the desired signal has a level of 10 µV
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