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Compare the differences in the FFT result. Explain why even though the inputs to both FFTs are the same cosine waves, the shapes of the FFTs are different.Compute and plot the 128 point FFT of a 0.1
Make sure to mark significant points in your figure (amplitude, offset, time, etc.). How could a device be modified to work as an electro-optic phase modulator? If we apply signal V, what is the ran
When we discussed the work of Galvani and Volta, we noted that Galvani's work was not fully appreciated until the development of instruments capable of detecting and amplifying the small biopotentia
Induction motor Y connection at 60Hz with the following: A.) 400 kVA induction motor running at 80% load with effeciency of 96% and p.f.=.88 b.) 40kW resistance heating source
A sled of mass m is given a kick on a frozen pond. The kick imparts to it an initial speed of 1.60 m/s. The coefficient of kinetic friction between sled and ice is 0.110. Use energy considerations t
we know Ktw=1 Nm(rad/s) and its's rated torque 30Nm for the synchronous frequency 60 H. If this motor is running at 60Hz, its load torque changes from 30 to 10 Nm, what is the new motor speed.
An engineer intends to study an input signal with frequency components of 5, 6, and 10 kHz. It is desired that all other frequencies be filtered out. Design an appropriate filter, using L= 210mH and
Draw a 4-bit Linear Feedback Shift Register using a final transition/excitation equation of Q3+ = D3 = Q1 Q0. Determine the sequence generated from this circuit. How many states does the circuit cy
1.write down the electrical status equation for the circuit with serial connection of RLC- elements in vector form and darw diagram for this circuit. 2. Describe the work of electrical source in the
Determine the phase margin of the uncompensated and compensated system from the Nichols chart. (The graph on the left is uncompensated, the one on the right is compensated. What is the DC gain of th
1.) (a) What is the difference between the sign-magnitude and 2's-complement systems of representing signed binary numbers. (b) What is the advantage of using the 2's-complement system to represent si
Obtain polar plot using nyquist command. determine the stability of closed loop system based on nyquist criterion. design a compensator to meet the P.O. = 10%. Plot the before and after plot on the
A permanent magnet DC motor has an armature resistance of 0.45 ohm and when a voltage of 120 V is applied to the motor it reaches a steady-state speed of rotation of 25 rev/s and draws 35 A.
The wave function of a certain standing wave on a string fixed at both ends is y(x,t) = 0.30 sin(0.0025x)cos(300t) where y and x are in centimetres and t is in seconds. If the string is vibrating in
Design finite state machine that starts with even number of 1s and followed by odd numbers of 0s. Design finite state machine that starts with odd number of 1s and followed by even numbers of 0s.
The phase margin needs to be at least 45 degrees. The error for a ramp input should be less than 5% Add the lag compensator using bode plots. Show the characteristics (margins) of uncompensated and
Use as many components as you can to to minimize adders delay. Show the entire Divide and Conquer Tree in which it is clear for each break up node in the tree, whether the stitch-up is a "wake" up o
Design a FIR linear phase filter by approximating the ideal frequency reponse (H^{d}(e^{jwt})=1, for |w|<= pi/8 ) (0, for pi/8 <= |w| <= pi) using rectangular window with length = 15
Discuss the statement "If you were a historian, what kinds of documents and artifacts would you study and then write about to help people in the future to understand the events of September 11, 2001
G(s)= K(s-2)(s-4) / s(s+5) Sketch the root locus and find the following: a) Break away and break in points b) The jw-axis crossing points c) The range of gain to keep system stable
1. Consider the Nordex 1.3MW, 60-m wind turbine with power specifications given in table 6.7 located in an area with 8m/s wind speeds. a) find the average speed in the wind (W/m^2) assuming Rayleigh
Design an analog computer circuit (using minimum resistor values of 10 k ohms ) to obtain the summing (adder) function. Vo = -v1 -v2 +v3
A 150-kVA, 2400/240-V single-phase transformer has the following parameters: R1 = 0.2 ; X1 = 0.45 ;R2 = 0.02; X2 = 0.0045 ;Rc = 1000 ; Xm = 1500. The transformer is connected to a 150kVA load with 0
A parallel circuit consists of a source and three resistors in parallel (R1=100-ohm; R2=200-ohm, and R3=300). The resistor of 100? draws a current of 500mA. a) Find the voltage across R1 b) Derive t
A series circuit consists of a 220V- source and 10k-ohm, 40k-ohm, and 60k-ohm resistors. Draw the circuit and find the voltage across each resistor.