Suppose that a car is moving through a suburban environment that has a wireless channel with a coherence time of 10 ms and a coherence bandwidth of 600 kHz. The bit rate of the signal being used is 50 kbps. Characterize the channel. a. Is the channel slow or fast fading? b. Is the channel flat of frequency-selective fading?
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Physics, 22.06.2019 00:30
Two vectors are shown. which statement best compares the vectors? vector x has greater magnitude than vector y. vector y has greater magnitude than vector x. the vectors have the same displacement. the vectors have the same direction.
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Physics, 22.06.2019 04:10
An initially unpolarized light if intensity 500 w/m^2 passes through four polarizers. the transmission axis between adjacent polarizers is 45โ. what percentage of the initial intensity is transmitted by the system?
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The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg ยท s2). use g = 9.80 m/s2 and calculate the mass m of the ball.
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Physics, 22.06.2019 16:30
Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same
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Suppose that a car is moving through a suburban environment that has a wireless channel with a coher...
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