Apparatus and method for geometric factor self-calibration of laser radar
A geometric factor, lidar technology, applied in radio wave measurement systems, instruments, etc., can solve the problems of high cost and system scale, complex inversion methods, difficult level correction, etc., to achieve the effect of reliability advantages
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[0107] Such as image 3 As shown, a device for self-calibrating geometric factors of lidar, the device includes a laser 1, a main wave pulse generator 2, a secondary receiving mirror cover 3, a secondary receiving mirror 4, a light guide fiber 5, and a main receiving mirror cover 6. Main receiving mirror 7, folding mirror 8, red-green dichroic beamsplitter 9, 1064nm narrowband filter 10, APD detector 11, blue-green dichroic beamsplitter 12, polarization beam splitting prism 13, first 532nm narrowband filter 14, first PMT detector 15, 355nm narrowband filter 16, second 532nm narrowband filter 17, second PMT detector 18, third PMT detector 19, integrated acquisition system 20 and computer twenty one;
[0108] The laser 1 is an all-solid-state laser containing 355nm, 532nm, and 1064nm wavelengths;
[0109] The main wave pulse generator 2 is a photodiode and a pulse generating circuit for monitoring laser emission pulses;
[0110] The secondary receiving mirror cover 3 is used ...
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