Ranging method for real-time compensation of common link air refractive index
A technology of real-time compensation and ranging method, which can be used in measurement devices, re-radiation, radio wave measurement systems, etc., and can solve problems such as the inability to achieve air refractive index compensation.
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[0040] In order to illustrate the present invention more clearly, the present invention will be further described below in conjunction with preferred embodiments and accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It should be understood by those skilled in the art that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention with this.
[0041] The existing method of measuring the refractive index of air and compensating the distance measurement accuracy is mainly the direct method, that is, using the classic Edlin calculation formula, by measuring the temperature, humidity, pressure, carbon dioxide and other parameters on the laser propagation path, by using the formula 1, 2, 3, 4 get the refractive index n, so as to compensate the ranging result;
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[0044] no tpf -n tp =-f(3.7345-0.0401σ 2 )×10 -8 (3)
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