Topic: Lidar
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What is Lidar?
Lidar stands for Light Detection And Ranging. It it used to gauge distances to certain objects. It works in a similar way radar technology is used. Radar uses radio waves, while lidar uses laser pulses. Read More »
Source: http://answers.ask.com/Science/Physics/what_is_lidar
What is a Bistatic lidar?
There are basically two configurations of lidars-monostatic and bistatic monostatic is one in which the transmitter(LASER) and the receiver(telescope) have the SAME axis ,collinear configuration In bistatic lidar they dont have the same axi... Read More »
Source: http://wiki.answers.com/Q/What_is_a_Bistatic_lidar
What is differential absorption lidar?
( ′dif·ə′ren·chəl əb′sörp·shən ′lī′där ) (engineering) A technique for the remote sensing of atmospheric gases, in which lasers transmit pulses of radiation into the atmosphere at two wavelengths, one of which is absorbed by the gas to be m... Read More »
Source: http://www.answers.com/topic/differential-absorption-lidar
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Lidar
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(lī'där) n. In both senses also called laser radar . A method of detecting distant objects and determining their position, velocity, or other characteristics by analysis of pulsed laser light reflected from their surfaces. The equipment use...
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Source: http://www.answers.com/topic/lidar
( ′räm·ən ′lī′där ) (optics) A type of lidar that measures the scattered signal at the Raman-shifted wavelength in order to determine atmospheric density, temperature, and water vapor concentration.
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Source: http://www.answers.com/topic/raman-lidar
( ¦rez·ən·əns flu̇′res·əns ′lī′där ) (optics) A type of lidar in which the laser wavelength is tuned to the resonance absorption wavelength of a specific molecular species whose resonant backscatter cross section is measured in order to det...
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Source: http://www.answers.com/topic/resonance-fluorescence-lidar
( ′dop·lər ′lī′där ) (optics) A type of lidar that measures the frequency shift of the scattered laser pulse; this frequency shift is proportional to the velocity of the scatterer along the propagation path.
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Source: http://www.answers.com/topic/doppler-lidar
The only difference is laser light used in lidar instead of radio waves in radar that means in radar they are using radio waves but in lidar we are using laser light by means of near infrared, green laser like that we are using many laser p...
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Source: http://wiki.answers.com/Q/What_is_the_difference_between_lidars_a...
Lidar uses laser light to measure distances. It is used in many ways, from estimating atmospheric aerosols by shooting a MORE
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Source: http://www.chacha.com/question/how-does-lidar-work
