How does FSO overcome scintillation?
What will be an ideal response?
FSO overcomes scintillation by sending the data in parallel streams from several separate laser transmitters. These transmitters are all mounted in the same transceiver but are separated from one another in such a way it is unlikely that while traveling between the transmitter and the receiver, all the parallel beams will encounter the same pocket of turbulence, given that scintillation pockets are usually quite small.
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Give reasons for the popularity aluminum in contemporary windows and curtain walls.
What will be an ideal response?
?Arc strikes outside of the weld groove are _____________.
A. ?potential defects. B. ?easy to grind off if needed. C. ?usually small and are no problem. D. ?can be left if they are less than 1 in. (25 mm) from the groove.
Graphics files include bit patterns-rows and columns of dots called a(n) ____________________-that must be translated by graphics software into an image.
Fill in the blank(s) with the appropriate word(s).
In the diagram above, what are the coordinates of the figure represented by (x8, y8)?
What will be an ideal response?