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Q1. Use MATLAB to plot each sum of complex sinusoids over the time period indicated.
Q2. Use CTFS tables and properties to find the CTFS coefficients for the periodic signal given below (use the representation period TF indicated).
Q3. A signal x(t) is described over one fundamental period by
Find the CTFS coefficients of x(t) (using direct calculations), and those of its integral (using CTFS properties). Use the found CTFS coefficients to generate and plot the integral signal of x(t).
Q4. Find and plot (as a function of F) the magnitude of the response, y[n], to the periodic excitation x[n] = cos(2πFn) for the system described by
y[n]= x[n] + 0.9 y[n-1].
A coil is placed in series with a resistance of 30 ohms. When the combination is connected to a 220 V, 60 Hz source, the current is 4.2 A and the power drawn by the circuit is 670 W.
1.Calculate motor speed in revolutions per minute for an eight-pole,50Hz motor. Give the equation and identify its parts; show your math. 2.You need to detect finished products coming down an assembly line.
Considering that the only parameters known are the input line-to-line voltage of 415V rms (f=50Hz), the firing angle (a= degrees) and the overlap angle (b=15degrees), calculate the Power Factor as seen from the input AC
Given a three phase motor: 5 hp, 3515 rpm, 230V, 10A, efficiency = 75%; derive the per-pharse equivalent circuit of the motor.
What is the thermal noise level of a channel with bandwidth 10kHz carrying 1000. Watts of power at 50o C?
Given the following function: F(W,X,Y,Z) = fm(2,3,5,7,12,13). a. Implement the function using an 8-input multiplexer. b. Implement the function using a 4-input multiplexer.
For a particular amplifier connected in a feedback loop in which the output voltage is sampled, measurement of the output resistance before and after the loop is connected shows a change by a factor of 100.
Shielding Effectiveness with copper and steel at equality, Determine the frequency at which two 1 mm thick shields, one made of copper and the other of steel
Does the carrier frequency of a system have an impact on small scale fading and shadowing. when moving over a distance x,will variations in received signal power be greater for low frequencies or high freq and why.
When this combination is connected across a battery, the current delivered by the battery is 0.330 A. When the 43.0 W resistor is disconnected, the current from the battery drops to 0.190 A. Determine the emf of the battery.
Japan has both a 50 Hz power system and a 60 Hz power system. A motor - generator set is designed to connect the two. The basis is that the motor would be operated from the 50 Hz system and on a common shaft
One reason that the maximum electric field is important is because of the possibility of impact ionization, which may be desired or undesired in a particular application. The process of impact ionization is dependent on the electric field
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