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Method for receiver navigation and location and receiver

A navigation positioning and receiver technology, applied in the field of navigation and positioning, can solve the problems of low positioning accuracy and slow convergence of GNSS receivers, and achieve the effects of shortening initialization time, improving convergence speed, and improving positioning accuracy

Active Publication Date: 2018-08-17
SHANGHAI ASTRONOMICAL OBSERVATORY CHINESE ACAD OF SCI +3
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In actual work, there are at least the problems of low positioning accuracy and slow convergence of GNSS receivers

Method used

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  • Method for receiver navigation and location and receiver
  • Method for receiver navigation and location and receiver
  • Method for receiver navigation and location and receiver

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Embodiment Construction

[0044] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will clearly and completely describe the technical solutions of the embodiments of the present invention in conjunction with the drawings of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0045] Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by those skilled in the art to which the present invention belongs. "First", "second" and similar words used in the patent application specification and claims of the present invention do not indicate any order, quantity ...

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Abstract

The present invention provides a method for receiver navigation and location. The method comprises the steps of: receiving basic broadcast telegraph text and correction parameters of a plurality of satellites, and establishing one pseudo-range observation equation and one phase observation equation corresponding to each satellite; constructing an observation quantity 1 according to the pseudo-range observation equations after correction and the phase observation equations after correction; constructing an observation quantity 2 according to the pseudo-range observation equations after correction and the phase observation equations after correction; performing combined solution of the obtained observation quantity 1 and the observation quantity 2 of the satellites to obtain an operation result of user location, wherein the correction parameters are selected from the following combinations: partition comprehensive correction*4; and at least one combination of the partition comprehensivecorrection*4 and track correction*4, clock difference correction*2 and ionized layer correction*3.

Description

technical field [0001] The present application relates to the field of navigation and positioning, and more specifically relates to a receiver navigation and positioning method, a receiver and a computer-readable medium. Background technique [0002] At present, the Global Navigation Satellite System (GNSS system) is becoming more and more popular, the application of the GNSS system is becoming more and more extensive, and the use of GNSS receivers is also becoming more and more popular. In actual work, there are at least the problems of low positioning accuracy and slow convergence of GNSS receivers. Contents of the invention [0003] In view of this, the technical solution proposed by the present application is described in detail as follows. [0004] In one aspect, the present application provides a method for receiver navigation and positioning, the method comprising: [0005] receiving basic broadcast messages and correction parameters of a plurality of satellites, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S19/42G01S19/40G01S19/13
CPCG01S19/13G01S19/40G01S19/42G01S19/02G01S19/41G01S19/43G01S19/44G01S19/073G01S19/074
Inventor 陈俊平周建华王永泉赵鹤
Owner SHANGHAI ASTRONOMICAL OBSERVATORY CHINESE ACAD OF SCI
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