Big Dipper/GPS bi-module satellite positioning receiver
A dual-mode satellite and receiver technology, applied in the field of positioning and navigation, can solve the problems of low positioning accuracy, small coverage, hindering product adoption, etc., and achieves the effect of lowering the use threshold, reducing purchasing pressure, and realizing social and economic benefits.
Inactive Publication Date: 2014-11-05
江苏艾倍科科技股份有限公司
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Problems solved by technology
The current low positioning accuracy and small coverage of the Beidou system also hinder the adoption of more products
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[0017] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.
[0018] Since the current Beidou second-generation system satellite data is not enough to complete positioning alone and achieve a higher positioning function, the present invention further supplements and enhances the satellite signal resources of the system based on the mature GPS system to solve the problem of low Beidou positioning accuracy. The so-called Beidou and GPS dual-mode redundant combination is to use a satellite positioning receiver to simultaneously receive and measure the Beidou second-generation system and GPS satellite signals, so as to accurately measure the three-dimensional position anywhere and at any time in our systems. three-dimensional velocity. related parameters such as time and attitude.
[0019] Beidou / GPS dual-mode combined positioning is to combine the positioning functions of Beidou an...
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The invention relates to a Big Dipper / GPS bi-module satellite positioning receiver which comprises a Big Dipper / GPS down-conversion unit, a signal processing unit, a PVT resolving unit, an RTC punctuality unit and an external interface unit. The Big Dipper / GPS bi-module satellite positioning receiver makes up the defects of a GPS system and a Big Dipper locating system, a Big Dipper satellite locating module is used as an external accessory and can be flexibly selected by a user for use, purchase pressure of the user is reduced, the use threshold of the Big Dipper system is lowered, the receiver is beneficial for promoting the civil process of the Big Dipper system, the Big Dipper system is promoted for generating the social benefits earlier, the requirement for the GPS system from national safety and economic and social development can be met, national information construction and transformation of the economic development mode can be promoted, and the receiver plays an importance role in realizing the social benefits and the economic benefits of the satellite navigation industry.
Description
[0001] technical field [0002] The invention relates to the field of positioning and navigation, in particular to a Beidou / GPS dual-mode satellite positioning receiver. [0003] Background technique [0004] At present, the navigation systems that can be used in China mainly include the GPS (Global Positioning and Navigation System) of the United States and the Beidou (COMPASS) Navigation Satellite System independently developed by my country. Among them, the GPS system has the advantages of high positioning accuracy and wide coverage. However, because the system is controlled by the military of other countries, it will artificially increase its positioning error or make it invalid under certain circumstances. In addition, the terminal products using GPS only have one-way reception. The ability to locate information lacks interactive communication between terminals and systems. The Beidou satellite navigation system is an independently developed and independently operated...
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IPC IPC(8): G01S19/33
CPCG01S19/33
Inventor 杨建中冯书武
Owner 江苏艾倍科科技股份有限公司