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Full-sun area guiding method and system

An area array and algorithm technology, applied in the field of all-day area guidance methods and systems, can solve the problems of high complexity, high cost, and limited guidance accuracy of the guidance method, and achieve easy transplantation, low cost, and simple implementation Effect

Inactive Publication Date: 2010-02-24
NAT ASTRONOMICAL OBSERVATORIES CHINESE ACAD OF SCI
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  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of this, the main purpose of the present invention is to provide a full-sun area guidance method and system to solve the problems of high complexity, high cost and limited guidance accuracy of the guidance method in the prior art

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  • Full-sun area guiding method and system
  • Full-sun area guiding method and system
  • Full-sun area guiding method and system

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Embodiment Construction

[0035] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0036] The invention provides an all-heliotropic guiding method, which is applied in a telescope to realize the full-helioscopic tracking of the sun by the telescope. An all-sun navigation method provided by the present invention, such as figure 1 As shown, it mainly includes the following steps:

[0037] Step 101, the telescope acquires the projection of the sun image on the CCD array.

[0038] A CCD camera is installed at the end of the lens barrel of the telescope, and the CCD camera takes pictures of the sun to obtain a solar image, which will be projected on the CCD array. The projection schematic diagram of the sun image on the CCD array in the embodiment of the present invention, as figure 2 As shown in the figure, the rectangle including multiple small squares represents the CCD area array, each small sq...

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Abstract

The invention discloses a full disk guiding method comprising: obtaining projection of sun image on charge-coupled device (CCD) area array; obtaining projection mass center based on weighted average algorithm; comparing the projection mass center with the standard mass center on the CCD area array to obtain mass center offset; generating impulse signals according to the mass center offset, and adjusting the standard mass center and the projection mass center to a coincident position. The invention also provides a full disc guiding system for obtaining projection mass center of the sun image onthe CCD area array by average weighted algorithm for mass center, comparing the projection mass center with the standard mass center of the CCD area array to obtain mass center offset, and generatingan impulse signal based on the mass center offset to adjust the standard mass center and the projection mass center to the coincident position, so that implementing full disk sun tracing. The invention is provided with a high guiding precision, and light path is not needed, so that the invented method is easy to be realized and is convenient to be transplanted.

Description

technical field [0001] The invention relates to navigation technology, in particular to an all-sun area navigation method and system. Background technique [0002] In the vast universe, the sun is closely related to human life. This connection is not only manifested on the scientific level, but also covers all aspects of human society, politics, economy, military affairs, and humanities. For astronomical observations, the sun is the only star that can be observed in detail; for basic science, the huge high-temperature plasma environment of the sun provides a huge magnetohydrodynamics laboratory that cannot be simulated on the earth. With the rapid development of human high-tech and aerospace technology, the abnormal changes of the space environment of the sun and the earth have more and more influence on human beings, and the solar activity is the dominant factor of the space environment of the sun and the earth. Therefore, the study of solar physics is the space weather Re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D3/12G01C11/14G01B11/00
Inventor 肖江胡柯良林佳本邓元勇
Owner NAT ASTRONOMICAL OBSERVATORIES CHINESE ACAD OF SCI