Method for detecting field angle of solar radiometer
A technology of a solar radiometer and a detection method, which is applied to the detection field of the field of view angle of the solar radiometer, can solve the problem of large deviation of the field angle detection of the solar radiometer, and achieves less amount of observation signal data, fast processing speed, and reduced randomness. effect of error
Pending Publication Date: 2020-09-22
AEROSPACE INFORMATION RES INST CAS
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[0011] Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a detection method of the pyranometer viewing angle to solve the problem of relatively large detection deviation of the pyranometer viewing angle in the prior art
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[0030] In order to clearly illustrate the design concept of the present invention, the present invention will be described below in conjunction with examples.
[0031] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the accompanying drawings in the examples of the present invention. Obviously, the described examples are only part of the examples of the present invention , not all examples. Based on the examples of the present invention, all other implementations obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.
[0032] In the description of this embodiment, the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right" are all based on the orientations or positional relationships shown in the drawin...
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The invention provides a method for detecting a field angle of a solar radiometer. The method comprises the following steps: erecting the solar radiometer; acquiring time and longitude data, latitudedata and altitude data of the position where the solar radiometer is located by using a GPS; inputting the longitude data, the latitude data, the altitude data and the time acquired by the GPS into the solar radiometer; adjusting the solar radiometer to align to the center of the sun; performing orthogonal cross scanning observation by using the solar radiometer, and storing observation signal data to obtain a curve graph of the rotation angle of the solar radiometer corresponding to the observation signal data; performing data quality control on the observation signal data; and processing theobservation signal data to obtain the field angle of the solar radiometer. According to the invention, the problem of large detection deviation of the field angle of the solar radiometer in the priorart is solved.
Description
technical field [0001] The invention relates to the field of optical instrument detection, in particular to a method for detecting the viewing angle of a solar radiometer. Background technique [0002] In optical instruments, with the detector of the optical instrument as the vertex, the angle formed by the two sides of the maximum range where the object image of the measured object can pass through the lens is called the angle of view. The field of view is a basic parameter of an optical instrument. It not only determines the ability of the instrument to detect the target range, determines the intensity of the entrance pupil of the detected target, but also directly affects the accuracy of the optical instrument product. Therefore, the field of view is the core parameter of optical instrument design and observation. [0003] Due to manufacturing process and assembly errors, the actual viewing angle of the pyranometer is different from the ideal value. At the same time, whe...
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IPC IPC(8): G01J1/42G01J1/02G01M11/02
CPCG01J1/42G01J1/0266G01M11/02G01J2001/4266
Inventor 李正强李凯涛李东辉许华
Owner AEROSPACE INFORMATION RES INST CAS