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Air pressure data acquisition module as well as differential barometric leveling system and method

A data acquisition module and air pressure technology, applied in transmission systems, measuring devices, electrical components, etc., can solve problems such as difficulty in determining measurement benchmarks, low elevation measurement accuracy, and inability to meet measurement requirements, achieve good consistency, and improve data correction. Interface, effect to reduce impact

Active Publication Date: 2018-01-09
NAT ASTRONOMICAL OBSERVATORIES CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

[0002] In the navigation and positioning system, because the measurement reference is difficult to determine, whether it is a satellite navigation system or a navigation system based on a base station, the elevation measurement accuracy is very low, which cannot meet the measurement requirements

Method used

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  • Air pressure data acquisition module as well as differential barometric leveling system and method
  • Air pressure data acquisition module as well as differential barometric leveling system and method
  • Air pressure data acquisition module as well as differential barometric leveling system and method

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Embodiment Construction

[0029] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0030] The first embodiment of the present invention provides an air pressure data collection module at a base station, figure 1 It is a schematic structural diagram of a barometric data collection module provided by the first embodiment of the present invention, such as figure 1 As shown, the device is implemented by software and hardware, and is integrated in the air pressure data acquisition system. The air pressure data acquisition module includes a microprocessor, air pressure sensor, module power supply unit, communication interface unit, storage unit, data abnormal alarm unit, time-frequency unit, display unit and packaging box.

[0031] The air pressure sensor, module power supply unit, communication interface un...

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Abstract

The invention discloses an air pressure data acquisition module as well as a differential barometric leveling system and method, belonging to the field of navigational positioning and communication. The method involves a structure of the air pressure data acquisition module, and comprises the following steps: collecting air pressure data and correcting; storing and displaying the collected air pressure data, and waiting for communication processing; judging whether the collected data is abnormal or not; waiting for instruction frame information sent by a channel unit, and forming communicationinteraction between a microprocessor and the channel unit; performing peripheral packaging processing on the air pressure data acquisition module by using a packaging box. A high-precision measurement function of the differential barometric leveling system can be supported well, and high use value is achieved during height measurement in technical fields such as ground exploration and meteorology.

Description

Technical field [0001] The invention relates to the field of air pressure data acquisition, and in particular to a pressure data acquisition module and a differential air pressure height measurement system and method. Background technique [0002] In the navigation and positioning system, because the measurement benchmark is difficult to determine, whether it is a satellite navigation system or a navigation system based on a base station, the height measurement accuracy is very low and cannot meet the measurement requirements. The differential air pressure altimetry system uses the base station in the wireless communication network as a differential correction reference station to correct the elevation of the terminal so that the terminal can obtain more accurate elevation information. The elevation information is obtained through steps such as system construction and algorithm optimization by collecting parameters such as air pressure, temperature, and humidity. In practical ap...

Claims

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Application Information

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IPC IPC(8): G01C5/06H04L29/08H04W4/00
Inventor 胡正群张丽荣马冠一张杰吕昌施浒立艾国祥裴军张志富
Owner NAT ASTRONOMICAL OBSERVATORIES CHINESE ACAD OF SCI
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