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US 9,869,767 B2Granted
Laser radar device
AssigneeMitsubishi Electric Corporation
InventorsHidenobu Tsuji, Masaharu Imaki, Nobuki Kotake, Hideaki Ochimizu, Shumpei Kameyama
Life of this patent
Estimating the term…
Abstract
A laser radar device includes a searchable distance calculation device 2 to calculate an amount of attenuation at a time of propagation of a light wave from a temporal change in scattered light intensity measured by a marine snow measurement device 1, and calculate a searchable distance in a target search device 4 from the amount of attenuation.
Claims10
A laser radar device comprising:
- a scattered light measurement instrument to measure a temporal change in scattered light intensity of scattered light acquired through scattering of a light wave while propagating;
- a distance measurement instrument to perform a distance measurement on surroundings by using reflected light of a light wave;
- a measurable distance calculator to calculate an amount of attenuation at a time of propagation of the light wave from the temporal change in the scattered light intensity which is measured by said scattered light measurement instrument, and calculate a measurable distance in said distance measurement instrument from said amount of attenuation;
- a target detector to calculate three dimensional data from distances of surrounding points which are measured by said distance measurement instrument, to detect a target from said three dimensional data;
- a moving route calculator to calculate a moving route of a moving object by using the measurable distance calculated by said measurable distance calculator;
- a position direction recognizer to measure an acceleration of said moving object to recognize a position and to measure an angular speed of said moving object to recognize a direction;
- and
- a movement controller to move said moving object according to the moving route calculated by said moving route calculator.
5 more elements
A laser radar device comprising:
- a scattered light measurement instrument to measure a temporal change in scattered light intensity of scattered light acquired through scattering of a light wave while propagating;
- a repetition period calculator to calculate an amount of attenuation at a time of propagation of the light wave from the temporal change in the scattered light intensity which is measured by said scattered light measurement instrument, and calculate a repetition period from said amount of attenuation;
- a light amplifier to amplify power of the light wave in proportion to the repetition period which is calculated by said repetition period calculator;
- a distance measurement instrument to perform a distance measurement on surroundings by using reflected light of a light wave;
- a target detector to calculate three dimensional data from distances of surrounding points which are measured by said distance measurement instrument, to detect a target from said three dimensional data;
- a position direction recognizer to measure an acceleration of a moving object to recognize a position and to measure an angular speed of said moving object to recognize a direction;
- a moving speed calculator to calculate a moving speed of the moving object by using the repetition period calculated by said repetition period calculator;
- and
- a movement controller to move said moving object according to the moving speed calculated by said moving speed calculator.
6 more elements
A laser radar device comprising:
- a scattered light measurement instrument to measure a temporal change in scattered light intensity of scattered light acquired through scattering of a light wave while propagating;
- a light wave radiation range calculator to calculate an amount of attenuation at a time of propagation of the light wave from the temporal change in the scattered light intensity which is measured by said scattered light measurement instrument, and calculate a light wave radiation range of a light wave, the radiation range extending from a target, from said amount of attenuation;
- a target light wave detector to detect a light wave from said object;
- a moving route calculator to calculate a moving route of a moving object by using the light wave radiation range calculated by said light wave radiation range calculator;
- a position direction recognizer to measure an acceleration of said moving object to recognize a position and to measure an angular speed of said moving object to recognize a direction;
- and
- a movement controller to move said moving object according to the moving route calculated by said moving route calculator.
4 more elements
Dependencies are inferred from the claim text.