Engineering, 28.11.2019 01:31 hooplikeapro
Psd of a pulse train of random amplitude. consider a pulse train with period t = 1 second, pulse width w = 0.4 second and a random amplitude a that is uniformly distributed over (0,4). the pulse train has the same amplitude over all periods. use the companion software p& r to do the following. (a) generate a discrete-time (with 10 hz sampling rate and 256 time points) sample function of this pulse train. plot it. (b) estimate the mean, autocorrelation, and power spectrum of the random pulse train. plot the autocorrelation and power spectrum.
Answers: 2
Engineering, 04.07.2019 08:10
Which of the following is an easy way to remember the modified “x” tire rotation? a. nondrive wheels straight, cross the drive wheels b. drive wheels straight, cross the nondrive wheels c. drive wheels crossed, nondrive wheels straight d. drive wheels crossed, nondrive wheels crossed
Answers: 1
Engineering, 04.07.2019 18:10
Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.
Answers: 3
Engineering, 04.07.2019 18:20
Apiston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 800 kpa. heat is transferred at constant pressure until the temperature of water reaches 350 °c. determine (a) the quality of water at the initial state (b) the work associated with this process, (c) the heat associated with this process.
Answers: 2
Engineering, 04.07.2019 18:20
Wiy doeres rere okhn a pump whon working betwon the same pressure range?
Answers: 2
Psd of a pulse train of random amplitude. consider a pulse train with period t = 1 second, pulse wid...
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