Satellite navigation baseband signal playback device, and automatic verification system and method

An automatic verification and baseband signal technology, which is applied in satellite radio beacon positioning systems, measurement devices, radio wave measurement systems, etc., can solve the problems of high cost of playback instruments and low efficiency of playback data testing, so as to achieve automatic operation and avoid The effect of inefficient manual testing and simplified functions
CN110146902AInactive Publication Date: 2019-08-20WUHAN MENGXIN TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
WUHAN MENGXIN TECH CO LTD
Publication Date
2019-08-20
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a satellite navigation baseband signal playback device, and an automatic verification system and method. The device is characterized in that one end of a peripheral interfacecontrol chip is connected to an upper computer, and the other end of the peripheral interface control chip is connected to a microprocessor through a peripheral interface; an input end of a USB control interface is connected to the upper computer, and an output end of the USB control interface is connected to the input end of a multi-channel data selector through an IO data interface; the input end of the multi-channel data selector is also connected to an antenna through a radio frequency front end; the output end of the multi-channel data selector is connected to a baseband processor, and the baseband processor is connected to the microprocessor; and a selection control signal of the multi-channel data selector is from the microprocessor. In the invention, through simplifying a function,a satellite navigation baseband signal playback function is only realized, a low-cost satellite navigation baseband signal playback device is realized through a mature, stable and low-cost interfacedata playback board and a chip verification board, and a hardware condition is provided for an automatic test of playback data.
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Description

technical field

[0001] The invention relates to the field of receiver chip design in the satellite navigation field, in particular to a satellite navigation baseband signal playback device, an automatic verification system and a method. Background technique

[0002] GNSS (Global Navigation Satellite System, Global Navigation Satellite System) has made great contributions to the advancement of the informationization process of human society. The time and space services it provides, such as positioning, navigation, measurement, and timing, have profoundly affected all walks of life and become the new generation of today. core elements of information technology. For example, in the field of intelligent transportation, through the introduction of satellite navigation technology, functions such as vehicle positioning, anti-theft, anti-robbery, driving route monitoring and call command have been realized. The GNSS receiver is an instrument or terminal module that receives GNSS sa...

Claims

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