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GB/T 38627-2020 PDF English

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GB/T 38627-2020: Information technology - Real-time positioning - Magnetic positioning data interface
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GB/T 38627-2020English259 Add to Cart 3 days [Need to translate] Information technology - Real-time positioning - Magnetic positioning data interface

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Basic data

Standard ID GB/T 38627-2020 (GB/T38627-2020)
Description (Translated English) Information technology - Real-time positioning - Magnetic positioning data interface
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard L78
Classification of International Standard 35.110
Word Count Estimation 14,176
Date of Issue 2020-04-28
Date of Implementation 2020-11-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration
Summary This standard specifies the interface and parameter definitions between the positioning client and the positioning server in the magnetic positioning system. This standard applies to the design, development and application of positioning client and positioning server systems that use magnetic data for real-time positioning.

GB/T 38627-2020: Information technology - Real-time positioning - Magnetic positioning data interface




---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Information technology - Real-time positioning - Magnetic positioning data interface ICS 35.110 L78 National Standards of People's Republic of China Information technology real-time positioning magnetic positioning data interface 2020-04-28 released 2020-11-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅰ 1 Scope 1 2 Terms and definitions 1 3 Abbreviations 2 4 System interface relationship 2 5 Positioning interface 3 6 Parameter definition 3 6.1 Sensor parameter definition 3 6.2 Definition of positioning result parameters 7 Appendix A (informative appendix) Magnetic positioning data interface XML mode 8 Appendix B (informative appendix) Some high-order magnetic characteristics calculation formula 10 Reference 11 Information technology real-time positioning magnetic positioning data interface

1 Scope

This standard specifies the interface and parameter definitions between the positioning client and the positioning server in the magnetic positioning system. This standard applies to the design, development and application of positioning client and positioning server systems that use magnetic data for real-time positioning.

2 Terms and definitions

The following terms and definitions apply to this document. 2.1 Intelligent Terminal With embedded software and hardware systems, terminal products for the personal consumer market. 2.2 The terrestrial magnetic field and the distortion of electronic equipment and ferromagnetic materials are superimposed on the terrestrial magnetic field. 2.3 Magnetic positioning Use magnetic field characteristics to achieve positioning. 2.4 Positioning engine Software or components that calculate the real-time location of the terminal. 2.5 Locate the client The software or component that initiates the positioning request. 2.6 Location server Software or components that calculate the real-time location of the terminal. 2.7 Sampling frequency The number of times the device collects data per second. 2.8 Data preprocessing Perform data filtering and smoothing on the sampling results. 2.9 Location request Request the latest location information from the server. 2.10 Positioning result The location information returned by the server to the client. 2.11 Circular probability error With the true position as the center of the circle, the dispersion radius of the two-site position with a probability of 50% deviation from the center of the circle. 2.12 positioning accuracy The standard deviation between the positioning result and the true position. 2.13 XML markup Identifier of legal content in XML document. [GB/T 30996.1-2014, definition 3.5] 2.14 Magnetometer Sensors that can measure magnetic fields. Note. The most common application of magnetometers in personal electronic devices is the electronic compass, which uses the earth's magnetic field as a reference to determine the direction/heading of the device.

3 Abbreviations

The following abbreviations apply to this document.

4 System interface relationship

The magnetic positioning system includes a positioning client and a positioning server. The system interface relationship is shown in Figure 1.The positioning client is performing data collection and After data preprocessing and formatting operations, a positioning request is initiated to the positioning server, and the positioning result is obtained through the magnetic positioning engine and used to return The location information realizes the corresponding application function. The location server uses environmental magnetic field data to calculate and return to location based on different location algorithms Client location information. The positioning server can be deployed locally (such as a smart terminal) or a remote network, and the client can transmit the fixed position through the network interface. Bit request or positioning result. ...

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