Global position system real-time software receiving machine and real-time processing method thereof

Abstract

The invention relates to a navigation and position equipment in the electronic technical field and real-time processing thereof, in particular to a real-time software receiver of the global position system, which implements real-time location by using the received GPS signal from the global position satellite system and is used for the signal sampling and the computer software processing, as well as a real-time processing method of the invention. The apparatus consists of a complex programmable logic device and an interface module of serial-to-parallel conversion, etc. The method executes the processing of baseband signal for the computer software under the windows XP environment, the method mainly resolves the related technical problems of how to implement the interfaces of signal sampling and transmission modules and the processing of baseband signal, etc. The invention has the advantages that the apparatus implements the real-time execution in the windows XP system of Microsoft, and the software adopts the bit arithmetic way, which reduces the computation, accelerates the processing speed and achieves real-time location, and higher precision and sensitivity through the rapidity of signal processing.

Description

technical field [0001] The invention relates to navigation, positioning equipment and real-time processing in the field of electronic technology, especially a method of using modern scientific and technological means to perform real-time positioning and real-time processing through received GPS (Global Positioning System) signals, and to apply to signal A real-time software receiver device for sampling and computer software processing and a real-time processing method thereof. Background technique [0002] At present, the GPS software receiver of the global satellite positioning system has gradually shown its own advantages due to its modifiability and low cost advantages. [0003] The disadvantage of the current global satellite positioning system GPS software receiver is that the signal processing of the receiver in the commonly used windows XP operating system is poor in real-time performance, and the positioning result cannot respond to the Doppler frequency shift of the...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is: the hardware part mainly solves the problem of how to realize the signal sampling transmission module and the high-speed digital signal acquisition card; how to send the intermediate frequency sampling signal into the computer memory and other related interface problems through the digital signal acquisition card; How to solve the baseband signal processing problem of computer software running in the windows XP environment, and how to realize the real-time operation of the software on the Microsoft windows XP system and other related technical problems

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