GB/T 39396.1-2020 English PDF

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GB/T 39396.1-2020: (Global Continuous Monitoring and Evaluation System (iGMAS) Quality Requirements - Part 1: Observational Data)
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GB/T 39396.1-2020	229	Add to Cart	3 days	(Global Continuous Monitoring and Evaluation System (iGMAS) Quality Requirements - Part 1: Observational Data)	Valid

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Basic data

Standard ID: GB/T 39396.1-2020 (GB/T39396.1-2020)
Description (Translated English): (Global Continuous Monitoring and Evaluation System (iGMAS) Quality Requirements - Part 1: Observational Data)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: V04
Word Count Estimation: 12,118
Date of Issue: 2020-11-19
Date of Implementation: 2021-06-01
Regulation (derived from): National Standard Announcement No. 26 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 39396.1-2020: (Global Continuous Monitoring and Evaluation System (iGMAS) Quality Requirements - Part 1: Observational Data)

---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.
(Global Continuous Monitoring and Evaluation System (iGMAS) Quality Requirements Part 1.Observational Data) ICS 49.020 V04 National Standards of People's Republic of China Global Continuous Monitoring and Evaluation System (iGMAS) quality requirements Part 1.Observation data 2020-11-19 released 2021-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Table of contents

Preface Ⅲ 1 Scope 1 2 Normative references 1 3 Terms, definitions and abbreviations 1 3.1 Terms and definitions 1 3.2 Abbreviations 2 4 Observation data quality index requirements 2 4.1 Data integrity rate 2 4.2 Cycle slip ratio 2 4.3 Multipath error 2 4.4 Pseudorange noise 2 4.5 Carrier Phase Noise 3 4.6 Carrier to Noise Ratio 3 5 Evaluation items and observation data requirements 3 6 Evaluation method 3 6.1 Data integrity rate 3 6.2 Cycle slip ratio 4 6.3 Multipath error 5 6.4 Pseudorange noise 6 6.5 Carrier phase noise 6 6.6 Carrier-to-noise ratio 7 Appendix A (Normative Appendix) GNSS satellite signal carrier frequency 8 Appendix B (informative appendix) Dual-frequency combination frequency selection 9

Foreword

GB/T 39396 "Global Continuous Monitoring and Evaluation System (iGMAS) Quality Requirements" is divided into two parts. ---Part 1.Observation data; ---Part 2.Products. This part is Part 1 of GB/T 39396. This section was drafted in accordance with the rules given in GB/T 1.1-2009. This part was proposed by the Equipment Development Department of the Central Military Commission. This part is under the jurisdiction of the National Beidou Satellite Navigation Standardization Technical Committee (SAC/TC544). Drafting organizations of this section. Strategic Support Force Information Engineering University, China Satellite Navigation Engineering Center, Chang'an University, Satellite Navigation System and State Key Laboratory of Equipment Technology, China Aerospace Standardization Institute. The main drafters of this section. Li Jianwen, Jiao Wenhai, Li Yongtao, Liu Ying, Huang Guanwen, Su Mudan, Wei Baoguo, Pan Lin, Wu Cailun, Pang Peng, Sheng Chuanzhen, Chen Chen, Wang Kai, Xie Song, Wang Weijia, Zhang Kaishi, Gu Chenzhong. Global Continuous Monitoring and Evaluation System (iGMAS) quality requirements Part 1.Observation data

1 Scope

This part of GB/T 39396 specifies the requirements for the GNSS observation data quality index of the Global Continuous Monitoring and Evaluation System (iGMAS) tracking station, Evaluation items and observation data requirements and evaluation methods. This part is applicable to iGMAS survey-type GNSS receiver development and index verification, tracking station location, observation data quality evaluation and analysis, etc.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated references, the latest version (including all amendments) applies to this document. GB/T 39267-2020 Beidou satellite navigation terminology 3 Terms, definitions and abbreviations 3.1 Terms and definitions The following terms and definitions defined in GB/T 39267-2020 apply to this document. 3.1.1 data observation iGMAS tracking station GNSS receiver recorded measurement data. Note. Contains data such as pseudorange, carrier phase, Doppler shift and signal strength. 3.1.2 Observation data integrity rate The receiver observes the ratio of the actual epoch data volume to the theoretical epoch data volume of the satellite. 3.1.3 Gross error Outlier error. Note. Make a series of observations under the same observation conditions, the absolute value of which exceeds the measurement deviation of the tolerance. 3.1.4 Cycle slip ratio In a certain period of time, the ratio of the actual epoch data volume of the receiver observation data to the cycle slip epoch metadata volume. Note. Reflects the average number of epochs observed during cycle slips. 3.1.5 Receiver clock jump In order to keep the synchronization accuracy of the receiver's internal clock and GNSS within a certain range, the receiver manufacturer controls the receiver clock error to not exceed Clock jump inserted at a certain threshold. ......

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