Full-optical-fiber Doppler coherent laser radar wind speed measuring device
A technology of laser radar and wind speed measurement, which is applied in the direction of measuring device, fluid speed measurement, speed/acceleration/shock measurement, etc., to achieve the effects of strong environmental adaptability, easy connection, shock and vibration resistance
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[0031] The present invention will be further described below in conjunction with the embodiments and accompanying drawings, but the protection scope of the present invention should not be limited thereby.
[0032] First please refer to figure 1 , figure 1 It is a block diagram of the overall structure of the all-fiber Doppler coherent lidar wind speed measuring device of the present invention. Depend on figure 1 It can be seen that the all-fiber Doppler coherent lidar wind speed measurement device of the present invention includes an all-fiber laser 1 and a circulator 2, and the first output end of the all-fiber laser 1 and the first port of the circulator 2 The output direction of the second port of the circulator is the telescope 3, and the telescope 3 is connected with the first input end of the scanner 13, and the output direction of the third port of the circulator 2 is the first port of the coupler 4. The input end, the second output end of the all-fiber laser 1 is co...
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