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)
“If the pulse of his people shall beat calmly under this experiment, another and another will be tried till the measure of despotism be filled up.”
—Thomas Jefferson (1743–1826)
“The motor idles.
Over the immense upland
the pulse of their blossoming
thunders through us.”
—Denise Levertov (b. 1923)