Ultra-far deep space laser communication capturing and tracking system
A technology of laser communication and tracking system, applied in image communication, parts of TV system, free space transmission, etc., can solve the problem of laser communication system capture and tracking technology, low measurement accuracy of position and attitude information, capture and tracking sensitivity Low problems, to achieve the effect of improving the capture and tracking sensitivity, strong resistance to space radiation, and high sensitivity
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Embodiment 1
[0042] Such as figure 1 As shown, an ultra-far and deep space laser communication capture and tracking system includes an optical antenna 1, a rough tracking turntable 2 connected to the optical antenna 1, an electro-optic deflector 3 and a spectroscopic mirror group 4 sequentially arranged on the output optical path of the optical antenna 1 , the visible light focal plane detector 5 arranged on the visible light output optical path of the spectroscopic mirror group 4, the infrared focal plane detector 6 arranged on the infrared light output optical path of the spectroscopic mirror group 4, and the visible light focal plane detector 5 and the infrared focal plane detector The on-board computer 7 electrically connected to the device 6, the navigation gyroscope 8 and the star sensor 9 electrically connected to the on-board computer 7;
[0043] The optical antenna 1 is used to receive the light beam after pointing to the target direction, the rough tracking turntable 2 is used to...
Embodiment 2
[0055] Such as figure 1 As shown, an ultra-far and deep space laser communication capture and tracking system includes an optical antenna 1, a rough tracking turntable 2, an electro-optical deflector 3, a beam splitter group 4, a visible light focal plane detector 5, an infrared focal plane detector 6, a star Carry computer 7, navigation gyroscope 8 and star sensor 9.
[0056] The navigation gyroscope 8 sends attitude information and position information to the onboard computer 7 according to the principle of inertial navigation; the star sensor 9 sends the attitude and position error compensation to the onboard computer 7 by photographing the stars and looking up the ephemeris; After calculating the attitude information and position information and the attitude and position error compensation, the rough tracking pointing signal is sent to the rough tracking turntable 2, and the rough tracking turntable 2 drives the optical antenna 1 installed on the rough tracking turntable 2...
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