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Consider the AR(1)model Yt = β0 + β1Yt-1 + ut, < 1..
(a)Find the mean and variance of Yt.
(b)Find the first two autocovariances of Yt.
(c)Find the first two autocorrelations of Yt.
Pinion Gear
A small gear that engages with a larger gear or rack, often used to transmit rotational motion in machinery.
Tooth Contact Pattern
The intermesh contact surfaces between a pair of mating gears; usually no-load tested using machinist’s (Prussian) blue or other semifluid test media.
Crown Gear
A large disc-shaped gear usually driven at right angles by a smaller pinion gear. It alters the torque path direction in a final drive carrier by 90 degrees, so that a longitudinal drive shaft can deliver transverse torque to the driving wheels.
Backlash
The gapping or play between mating gear teeth usually measured with thickness gauges or a dial indicator.
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