Pulse
The pulse may be coded to reduce the chance that the rangefinder can be jammed. It is possible to use Doppler effect techniques to judge whether the object is moving towards or away from the rangefinder, and if so how fast.
Read more about this topic: Laser Rangefinder
Famous quotes containing the word pulse:
“Oh Science, lift aloud thy voice that stills
The pulse of fear,”
—Lucretius (Titus Lucretius Carus)
“Whoever has had the experience of the moral sentiment cannot choose but believe in unlimited power. Each pulse from that heart is an oath from the Most High. I know not what the word sublime means, if it be not the intimations, in this infant, of a terrific force.”
—Ralph Waldo Emerson (1803–1882)
“I drink the air before me, and return
Or ere your pulse twice beat.”
—William Shakespeare (1564–1616)