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The function f(t)=3cos(500πt) + 5cos(800πt) issampled digitally at a sampling rate of 400 Hz, starting attime t = 0.00025 s.
(a)Calculate the frequencies that you would expect to see on a frequency spectrum of the sampled data.
(b)If you did Part (a) properly, one of your answers should be 0 Hz, which means that aliasing leads to an effective DC offsetin the perceived signal. Calculate this effective DC offset in volts.
A 4.5-volt series circuit consists of two resistors. Resistor A has three times the resistance as resistor B. An ammeter records a current of 160 mA of current. Determine the resistance values of resistors A and B.
A system is needed to measure flow, which continuously cycles between 20 and 30 gal/min with a period of 30 sec. The required output is a voltage varying from -2.5 to +2.5 V for the cycling flow range. The sensor to be used has a transfer function..
How to find impendence in a series parallel circuit without using imaginary numbers. The circuit in question has a voltage source of 25 volts frequency is 100 Khz then the R1 resistor 220 ohms in series with an inductor
Given the following system of linear equations: x1 + 2x2 + x3 = 4, 12x1 + 16x3 = 28, 8x1 - x2 + 5x3 = 12(a) Write it in the form of Ax = b (b) Find all solutions to the system using Gauss elimination method
Draw the correct circuit to serve a 7.2kv single-phase load from a 2.4kv source. If the laod is 50kVa at pf=.8 lagging, compute the secondary and primary phasor currents. is this a step-up or step-down application
modify the Very Simple CPU to incorporate a new 8-bit register,R, and two new instructions. MVAC performs the transfer Râ†AC and has the instruction code 1110 XXXX; MOVR performs the operation ACâ†R and has the instruction code 1111 XXXX.
A MOS differential amplifier is designed to have a differential gain Ad equal to the voltage gain obtained from a common-source amplifier. Both amplifiers utilize the same values of RD and supply voltages, and all the transistors have the same W/L..
Give an example of an RC circuit whose transient behavior cannot be modeled by having a function generator with square wave output replacing the mechanical switch.
A dielectric sphere has radius r = 2 and the material inside the sphere has dielectric constant er2 = 4. THe region outside the sphere where r > 2 is free space and the electric field there is E1=(16r+2+8\phi). Find electric field E2 inside the sp..
At the point you can check a point or two on the V-I curve and confirm that the plot is equivalent to the linear plot in Part 1. Describe a specific measured point on the curve and what it represents.
The switch in the circuit has been in position a for a long time. At t=0 the switch is moved to position b. A.Calculate the initial voltage on the capacitor ifv = 200V , and i = 1.9mA . B. Calculate the final voltage on the capacitor. C. Calculate t..
Description of Transformer, An 11 kV to 415 V transformer has a rating of 100 kVA. The winding resistance and leakage reactance when referred to the secondary are 0.0142 Ohm and 0.0569 Ohm respectively
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