Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Space signal continuity assessment method

A continuity and signal technology, applied to satellite radio beacon positioning systems, measuring devices, instruments, etc., can solve problems such as the lack of a clear and unified evaluation method for space signal continuity

Inactive Publication Date: 2016-11-16
CHINA AEROSPACE STANDARDIZATION INST
View PDF2 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the evaluation of the continuity of the satellite navigation system mainly focuses on the evaluation of the service continuity. In 2008, the United States took the lead in listing the space signal continuity as a normative index for evaluating the performance of the GPS space signal, and it has been recognized in navigation and related applications. However, there is no clear and unified evaluation method for spatial signal continuity

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Space signal continuity assessment method
  • Space signal continuity assessment method
  • Space signal continuity assessment method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0026] The invention provides a space signal continuity evaluation method, which provides an operable and easy-to-implement effective method for space signal continuity index evaluation by using the daily maintenance data of the navigation satellite system, the downlink signal monitoring data and the basic theory of reliability.

[0027] The present invention firstly obtains the interruption data of the daily operation of the system and the continuous health word information measured by the receiver, and according to the analysis of the planned interruption situation in the daily operation, obtains the operation status sequence and the measured health word sequence under the influence of only the unplanned interruption, respectively, according to the theoretical prediction The continuity risk of the two data sources is obtained by using the estimation metho...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a space signal continuity assessment method. With application of the space signal continuity assessment method, an operable and easily implemented effective method is provided for space signal continuity index assessment by utilizing navigation satellite system daily maintenance data, downlink signal monitoring data and the reliability basic theory. According to the space signal continuity assessment method, firstly system daily operation interruption data and continuous health character information actually measured by a receiver are acquired, operation state sequences and actually measured health character sequences under the influence of only unplanned interruption are obtained according to analysis of the planned interruption situation of daily operation, the continuity risk of two data sources is obtained according to the theory forecast method and the actual measurement evaluation method, the continuity risk is obtained by using the actual measurement statistical method by utilizing the operation state sequences under the influence of unplanned interruption, and finally the three risk calculation results are compared so that the space signal continuity is assessed.

Description

technical field [0001] The invention relates to the technical field of reliability and safety of navigation systems, in particular to a space signal continuity evaluation method. Background technique [0002] After the satellite navigation system is completed, the system faces tasks such as providing public service performance commitments for users and maintaining necessary performance indicators. In addition to accuracy indicators, the necessary performance indicators required by users such as international civil aviation and maritime affairs also include integrity, continuity and availability. [0003] At present, the assessment of the continuity of the satellite navigation system mainly focuses on the assessment of the service continuity. In 2008, the United States took the lead in listing the space signal continuity as a normative indicator for evaluating the performance of the GPS space signal, and it has been recognized in navigation and related applications. However,...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G01S19/20
CPCG01S19/20
Inventor 龚佩佩郑恒李海生周波杨卓鹏王景夫
Owner CHINA AEROSPACE STANDARDIZATION INST
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com