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For the following signal x[n] = ( 1 0 n 4 0 otherwise (a) Compute its spectrum following the definition of the Fourier transform. (b) Obtain its magnitude spectrum in one period . Note: pay attention to that the magnitude must be positive. (c) Obtain its phase spectrum arg[X(ejf)] in its unwrapped form one period. (d) Plot the wrapped phase spectrum
A series of combination having R=2Mohm and C=0.01 UF is connected across a D.C. voltage source of 50V. Determined capacitor voltage and charging current after 0.02s, 0.04s and 1 hour.
Store the arrival times in memory locations starting from $1000.(Do this is in C. Store the results in an array and don't worry about the speci c location of the results.)
1) What is the dynamic range for an 8-bit ADC 2) A device that responds to a small current or voltage change by activating a mechanical switch allowing a larger amount of current flow is a: a) transistor. b) transducer. c) solenoid. d) relay.
A 60-Hz, single-phase transmission line has a length of 80 miles. Its shunt conductance (G) is 3.4A1011 S/mile, resistance (R) is 0.1 OHMS/mile, capacitance (C) is 16 pF/mile, and inductance (L) is 0.56 mH/mile.
find an s-domain transfer function that has a specified frequency response and answer and discuss the following questions: 1. What determines the "order" of a transfer function 2. Given a transfer function, how is its frequency response calculated
Compute the Transfer Equation, The questions are for the equation: y"(t) + 6y'(t) + 34y(t) = 2x'(t) + 11x(t)
Draw a strain gauge circuit and its external components to attach to a conveyor mounted only at the ends to measure the load at the center of the conveyor. What type of testing would you need to do to establish a baseline and calibration curve for..
A mass "m = 2 kg" is connected to a spring with spring constant "k= 5 N/m " on a frictionless table oscillation only in 1-D (x direction) . The equation of motion for the mass is given by the equation m (d^2 x(t)/ dt^2) = -kx(t) .
General questions for network communications, A user message is split into 15 frames, each of which has an 80% chance of arriving error-free. If no error control is used by the data link layer, how many times must the message be sent on the averag..
4.What is the fundamental benefit of PLC controls over manual controls 5.Describe the differences between the two methods of scanning during PLC logic solving. Which method holds the advantage over the other
Find the Laplace transform of a rectangular voltage pulse that is 0 V until time 0 s, then jumps to 5 V and stays there until time 2 ms, then returns to 0 V and stays there after time 2 ms. Hint: express the pulse in terms of unit step functions.
The simple inexpensive hydro turbo-generator (turbine mated with electric generator) that you intend to buy has a working efficiency of 60%. Answer the following (show your work).
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