X-ray pulsar navigation ground verification system based on visible light source

A pulsar navigation and verification system technology, applied in the field of X-ray pulsar navigation ground verification system, can solve the problems of large scale, complex control structure and operation, low simulation accuracy of pulsar periodic characteristics, etc., to simplify the system structure, physical The effect of improved features and simplified control logic

CN108680187AActive Publication Date: 2018-10-19XIDIAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2018-10-19

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Abstract

The invention discloses an X-ray pulsar navigation ground verification system based on a visible light source and mainly solves the problems that a conventional system is complicated in structure, lowin pulsar signal simulation period accuracy and onefold in simulation form. The X-ray pulsar navigation ground verification system comprises a contour data generation unit (1), a multi-channel voltage signal output unit (2), a photon generating unit (3), an electronic readout unit (4) and a navigation verification unit (5); the contour data generation unit is used for receiving a control commandfrom the navigation verification unit and reading data from the navigation verification unit; generated contour data is transmitted to the multi-channel voltage signal output unit; multichannel voltage signals are outputted to drive the photon generation unit, and the multichannel voltage signals are outputted to the electronic readout unit; the pulse arrival time is calibrated, and a time sequence is transmitted to the navigation verification unit. The X-ray pulsar navigation ground verification system disclosed by the invention is simple in structure, high in signal period stability and capable of being used for verification on multiple navigation algorithms.
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Description

technical field

[0001] The invention relates to the field of aerospace technology, in particular to an X-ray pulsar navigation ground verification system, which can be used to verify the X-ray pulsar navigation algorithm at the photon level, and provides an experimental platform for theoretical research on pulsar navigation. Background technique

[0002] X-ray pulsar autonomous navigation is a completely autonomous navigation method with development prospects, which has important strategic research significance and has attracted the attention of scholars at home and abroad. Since 1999, the major aerospace countries in the world have started the theoretical research and flight experiment verification related to X-ray pulsar navigation. ESA, Russia, Japan and other countries and organizations have carried out a large number of proof-of-principle prototypes and flight experiments. In 2017, NASA launched a Station Explorer for X-ray Timing and Navigation Technology experiment. ...

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Embodiment Construction

[0027] Below in conjunction with accompanying drawing, the present invention is further explained;

[0028] refer to figure 1 , the present invention comprises: profile data generating unit 1, multi-channel voltage signal output unit 2, photon generating unit 3, electronics readout unit 4, navigation verification unit 5, wherein: said photon generating unit 3 is composed of a multi-channel photon generator It consists of an optical shielding cavity, each of which includes an electronically controlled linear light source, an optical attenuator, and is placed in the optical shielding cavity; the input end of the multi-channel photon generator includes but is not limited to four interfaces, and the output end includes Four but not limited to four interfaces, the number of the input interface is equal to the number of the output interface.

[0029] The profile data generating unit 1 is unidirectionally connected with the multi-channel voltage signal output unit 2 through but not ...