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Satellite navigation system hardware-in-the-loop real-time simulation test platform and its method

A satellite navigation system and real-time simulation technology, applied in the field of satellite navigation and positioning, can solve cumbersome and complex problems, and achieve the effect of improving efficiency, facilitating design, and improving design.

Inactive Publication Date: 2018-09-04
GUANGDONG UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem solved by the present invention is to overcome the deficiencies of the prior art, to provide a method that can effectively solve the cumbersome and complicated problem of satellite navigation system tracking loop parameter debugging, facilitate the design of the tracking loop, and improve the design, debugging, verification, and realization of the algorithm. The efficiency of the satellite navigation system hardware-in-the-loop real-time simulation test platform and its method for realizing the positioning function of the satellite navigation system

Method used

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Embodiment Construction

[0045] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0046] Such as figure 1 Shown is the structural representation of the hardware-in-the-loop real-time simulation test platform of the satellite navigation system of the present invention, comprising a PC-side simulation module 101, an Ethernet communication mo...

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Abstract

The invention discloses a satellite navigation system hardware-in-the-loop real-time simulation test platform and a method thereof. The satellite navigation system hardware-in-the-loop real-time simulation test platform comprises a PC-end simulation module, an Ethernet communication module, a satellite signal baseband processing unit and a radio frequency module, wherein the satellite signal baseband processing unit comprises a processor, a bus controller, an internal memory RAM, a satellite signal acquisition module, a satellite signal tracking module, a low-speed bus controller and a data transmission bus. The test platform acquires satellite signals via the radio frequency module, the signals are then processed via the satellite signal baseband processing unit, the signals are then transmitted to the PC-end simulation module in real time for processing via an Ethernet interface, the PC-end simulation module processes the signals and then a processing result is fed back to the satellite signal baseband processing unit, the acquisition and tracking state of the satellite signal baseband processing unit towards the satellite signals are updated, and thus, a hardware closed loop for simulation test is formed.

Description

technical field [0001] The invention belongs to the technical field of satellite navigation and positioning, and more specifically relates to a satellite navigation system hardware-in-the-loop real-time simulation test platform and a method thereof. Background technique [0002] Satellite navigation and positioning technology is of great significance to the development of a country's military and national undertakings. In order to get rid of the dependence on the US GPS positioning system, many countries have carried out research on satellite navigation systems. At present, there are three relatively mature satellite navigation systems, including the GPS positioning system of the United States, the GLONASS positioning system of Russia and the Beidou positioning system of China. According to the principle of GPS positioning, in order to demodulate the complete navigation data, the carrier and code signals that are synchronized with the received signal bits must be reproduced ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S19/23
CPCG01S19/23
Inventor 王峰王家燃魏东明利传迈钱瑞琦黎博渊邱文
Owner GUANGDONG UNIV OF TECH
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