Doppler shift analysis device
Analysis device 3 is provided with a data acquisition unit 22 for acquiring reflected light data for a laser light reflected by an atmospheric aerosol, and a control unit 21 for analyzing a Doppler shift of the reflected light data. The control unit 21 is provided with a result smoothing unit 43 for...
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| creator | Furumoto, Junichi |
| description | Analysis device 3 is provided with a data acquisition unit 22 for acquiring reflected light data for a laser light reflected by an atmospheric aerosol, and a control unit 21 for analyzing a Doppler shift of the reflected light data. The control unit 21 is provided with a result smoothing unit 43 for excluding a peak portion 51 in the reflected light originating from an obstacle. Further, a peak portion 51 originating from an obstacle is determined to be a peak portion originating from an obstacle when there is a steep slope of a predetermined amount or more in reception intensity within a frequency of a predetermined extent from a transmission frequency of the laser light. The Doppler shift is thus analyzed with a high degree of accuracy. |
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The control unit 21 is provided with a result smoothing unit 43 for excluding a peak portion 51 in the reflected light originating from an obstacle. Further, a peak portion 51 originating from an obstacle is determined to be a peak portion originating from an obstacle when there is a steep slope of a predetermined amount or more in reception intensity within a frequency of a predetermined extent from a transmission frequency of the laser light. 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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES GYROSCOPIC INSTRUMENTS INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SURVEYING TESTING |
| title | Doppler shift analysis device |
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