CN113098648A - System and method for power time-frequency traceability comparison - Google Patents
System and method for power time-frequency traceability comparison Download PDFInfo
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Abstract
The invention discloses a system and a method for electric power time-frequency tracing comparison, and belongs to the technical field of time frequency measurement. The system of the invention comprises: the GNSS common-view receiver of the reference station generates decomposed data and sends the decomposed data to the server; the GNSS common-view receiver of the user station generates decomposed data, sends the decomposed data to the server, calls the server to download standard time data, compares the local time of the user station with the standard time data, determines the difference value between the time of the user station and the time of the reference station, adjusts the GNSS common-view receiver of the user station according to the difference value, and enables the clock of the user station to track the clock of the reference station; and the server receives the decomposed data, restores the decomposed data into a standard CGGTTS format file, determines the time difference value between the user station and the reference station according to the standard CGGTTS format file, and determines the standard time data according to the time difference value. The invention effectively reduces the risks that the network port is attacked from the outside, the data is stolen and damaged, and the like.
Description
Technical Field
The present invention relates to the field of time-frequency measurement technologies, and in particular, to a system and a method for power time-frequency source tracing comparison.
Background
With the wide application of new technologies such as internet of things, big data, cloud computing and artificial intelligence, the requirements on the accuracy and the timeliness of time and frequency values are higher and higher; the clock transport type verification brings great difficulty, and is an important technical means for obtaining high-accuracy time frequency quantity value traceability transmission in the time frequency measurement field and solving the transport type submission problem.
The satellite navigation common-view principle is that a GNSS common-view receiver arranged on a reference station and a user station which are positioned at different places is used for observing the same or a plurality of satellites (Beidou, GPS, GLONASS, GALILEO) in a view field to carry out rapid common-view comparison, the time difference between a local clock and a satellite clock is respectively measured, the time difference of the user station relative to the reference station is obtained through data exchange calculation by time difference data, and the channel of data exchange is usually Internet or Beidou short messages.
The Internet data exchange is usually transmitted by an FTP protocol, a network port is easy to attack, and the transmitted data is easy to steal, destroy or forge, so that the data reception is incomplete or the received data is not true; the Beidou short message data exchange mode has the advantages that due to the fact that the timeliness of data exchange is affected due to the fact that the transmission capacity of short messages is limited, an antenna needs to be erected when the Beidou synchronous orbit satellite is used for sending and receiving the short messages, requirements such as anti-interference and the like are met on the erection environment of the antenna, and certain construction difficulty exists.
Disclosure of Invention
In order to solve the above problems, the present invention provides a system for power time-frequency tracing comparison, including:
the GNSS common-view receiver of the reference station generates CGGTTS format data files in a standard format in a common view mode, decomposes the format data files through a TCP protocol to generate decomposed data, and sends the decomposed data to the server;
the GNSS common-view receiver of the user station generates CGGTTS format data files in a standard format in common view, decomposes the format data files to generate decomposed data, and sends the decomposed data to the server; calling a server to download standard time data, comparing local time of a user station with the standard time data, determining a difference value between the time of the user station and the time of a reference station, adjusting a GNSS (global navigation satellite system) common-view receiver of the user station according to the difference value, and enabling a clock of the user station to track a clock of the reference station;
and the server receives the decomposition data generated by the reference station GNSS common-view receiver and the user station GNSS common-view receiver, restores the decomposition data into a standard CGGTTS format file, determines the time difference value between the user station and the reference station according to the standard CGGTTS format file, and determines the standard time data according to the time difference value.
Optionally, the GNSS co-view receiver of the reference station and the GNSS co-view receiver of the user station conform to the same technical specifications.
Optionally, the GNSS co-view receiver of the reference station and the GNSS co-view receiver of the user station send the decomposed data to the server point-to-point at the same time.
Optionally, the server includes a database, and the database is used for storing the decomposed data, the restored standard CGGTTS format file, and the standard time data.
Optionally, the format data file is decomposed through a TCP protocol.
The invention also provides a method for power time-frequency tracing comparison, which comprises the following steps:
controlling a GNSS common-view receiver of a reference station and a user station, generating a CGGTTS format data file in a standard format in a common view mode, and decomposing the format data file to generate decomposed data;
reducing the decomposed data into standard CGGTTS format files, determining time difference values of the user stations and the reference stations according to the standard CGGTTS format files, and determining standard time data according to the time difference values;
and calling a server to download standard time data, comparing the local time of the user station with the standard time data, determining the difference value between the time of the user station and the time of the reference station, adjusting the GNSS common-view receiver of the user station according to the difference value, and enabling the clock of the user station to track the clock of the reference station.
Optionally, the GNSS co-view receiver of the reference station and the GNSS co-view receiver of the user station conform to the same technical specifications.
Optionally, the format data file is decomposed through a TCP protocol.
The invention effectively reduces the risks that the network port is attacked from the outside, the data is stolen and damaged, and the like.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a flow chart of the method of the present invention.
Detailed Description
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
The invention provides a system for power time-frequency tracing comparison, as shown in fig. 1, comprising:
the GNSS common-view receiver of the reference station generates CGGTTS format data files in a standard format in a common view mode, decomposes the format data files through a TCP protocol to generate decomposed data, and sends the decomposed data to the server;
the GNSS common-view receiver of the user station generates CGGTTS format data files in a standard format in common view, decomposes the format data files to generate decomposed data, and sends the decomposed data to the server; calling a server to download standard time data, comparing local time of a user station with the standard time data, determining a difference value between the time of the user station and the time of a reference station, adjusting a GNSS (global navigation satellite system) common-view receiver of the user station according to the difference value, and enabling a clock of the user station to track a clock of the reference station;
and the server receives the decomposition data generated by the reference station GNSS common-view receiver and the user station GNSS common-view receiver, restores the decomposition data into a standard CGGTTS format file, determines the time difference value between the user station and the reference station according to the standard CGGTTS format file, and determines the standard time data according to the time difference value.
The GNSS co-view receiver of the reference station and the GNSS co-view receiver of the user station conform to the same technical specification.
And the GNSS co-view receiver of the reference station and the GNSS co-view receiver of the user station send the decomposed data to the server point to point simultaneously.
And the server comprises a database, and the database is used for storing the decomposed data, the restored standard CGGTTS format file and the standard time data.
And decomposing the format data file through a TCP protocol.
The network port of the GNSS common-view receiver is directly connected to a national network information private network bus and is allocated with a fixed IP address, the power time-frequency traceability comparison system/software is deployed on a reference station server, the power time-frequency traceability comparison system/software deployed on the server receives a standard CGGTTS format data file generated by the GNSS receiver through quick common view, decomposes the data through a TCP protocol, and performs point-to-point instant transmission through a private network information system, namely, the common-view files generated by the GNSS common-view receiver of the reference station and the user station are all transmitted to a reference station server database, the traceability comparison software deployed on the reference station restores the received decomposed data into the standard CGGTTS format file, and performs resolving and analyzing processing to obtain a time difference value between the user station and the reference station.
The invention also provides a method for power time-frequency tracing comparison, as shown in fig. 2, comprising:
controlling a GNSS common-view receiver of a reference station and a user station, generating a CGGTTS format data file in a standard format in a common view mode, and decomposing the format data file to generate decomposed data;
reducing the decomposed data into standard CGGTTS format files, determining time difference values of the user stations and the reference stations according to the standard CGGTTS format files, and determining standard time data according to the time difference values;
and calling a server to download standard time data, comparing the local time of the user station with the standard time data, determining the difference value between the time of the user station and the time of the reference station, adjusting the GNSS common-view receiver of the user station according to the difference value, and enabling the clock of the user station to track the clock of the reference station.
The GNSS co-view receiver of the reference station and the GNSS co-view receiver of the user station conform to the same technical specification.
The format data file is decomposed through a TCP protocol.
The invention effectively reduces the risks that the network port is attacked from the outside, the data is stolen and damaged, and the like. The invention ensures the safe, reliable and stable operation of the system, and improves the safety of data interaction, the quick viewing reliability and the stability of the operation of the power time-frequency traceability comparison system.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein. The scheme in the embodiment of the application can be implemented by adopting various computer languages, such as object-oriented programming language Java and transliterated scripting language JavaScript.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (8)
1. A system for power time-frequency traceability comparison, the system comprising:
the GNSS common-view receiver of the reference station generates CGGTTS format data files in a standard format in a common view mode, decomposes the format data files through a TCP protocol to generate decomposed data, and sends the decomposed data to the server;
the GNSS common-view receiver of the user station generates CGGTTS format data files in a standard format in common view, decomposes the format data files to generate decomposed data, and sends the decomposed data to the server; calling a server to download standard time data, comparing local time of a user station with the standard time data, determining a difference value between the time of the user station and the time of a reference station, adjusting a GNSS (global navigation satellite system) common-view receiver of the user station according to the difference value, and enabling a clock of the user station to track a clock of the reference station;
and the server receives the decomposition data generated by the reference station GNSS common-view receiver and the user station GNSS common-view receiver, restores the decomposition data into a standard CGGTTS format file, determines the time difference value between the user station and the reference station according to the standard CGGTTS format file, and determines the standard time data according to the time difference value.
2. The system of claim 1, wherein the GNSS co-view receiver of the reference station and the GNSS co-view receiver of the user station conform to the same specifications.
3. The system of claim 1, wherein the GNSS co-view receiver of the reference station and the GNSS co-view receiver of the user station send the resolved data point-to-point to the server simultaneously.
4. The system of claim 1, the server comprising a database for storing the parsed data, the reduced standard CGGTTS format file, and the standard time data.
5. The system of claim 1, said parsing format data file, parsed by TCP protocol.
6. A method for power time-frequency tracing comparison, the method comprising:
controlling a GNSS common-view receiver of a reference station and a user station, generating a CGGTTS format data file in a standard format in a common view mode, and decomposing the format data file to generate decomposed data;
reducing the decomposed data into standard CGGTTS format files, determining time difference values of the user stations and the reference stations according to the standard CGGTTS format files, and determining standard time data according to the time difference values;
and calling a server to download standard time data, comparing the local time of the user station with the standard time data, determining the difference value between the time of the user station and the time of the reference station, adjusting the GNSS common-view receiver of the user station according to the difference value, and enabling the clock of the user station to track the clock of the reference station.
7. The method of claim 6, wherein the GNSS co-view receiver of the reference station and the GNSS co-view receiver of the user station conform to the same specification.
8. The method of claim 6, said parsing the formatted data file by means of the TCP protocol.
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| CN202110268495.6A CN113098648B (en) | 2021-03-12 | 2021-03-12 | System and method for power time-frequency tracing comparison |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645631A (en) * | 2013-12-17 | 2014-03-19 | 北京无线电计量测试研究所 | Time frequency calibration method and time frequency calibration service system between long distance time frequency laboratories |
| US20180011199A1 (en) * | 2016-07-05 | 2018-01-11 | Government Of United States Of America, As Represented By The Secretary Of Commerce | Disciplined clock for providing a disciplined time and a disciplined frequency synchronous with a reference clock |
| CN112235033A (en) * | 2020-09-24 | 2021-01-15 | 中国科学院国家授时中心 | GNSS common-view system based on RDSS communication link |
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- 2021-03-12 CN CN202110268495.6A patent/CN113098648B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645631A (en) * | 2013-12-17 | 2014-03-19 | 北京无线电计量测试研究所 | Time frequency calibration method and time frequency calibration service system between long distance time frequency laboratories |
| US20180011199A1 (en) * | 2016-07-05 | 2018-01-11 | Government Of United States Of America, As Represented By The Secretary Of Commerce | Disciplined clock for providing a disciplined time and a disciplined frequency synchronous with a reference clock |
| CN112235033A (en) * | 2020-09-24 | 2021-01-15 | 中国科学院国家授时中心 | GNSS common-view system based on RDSS communication link |
Non-Patent Citations (1)
| Title |
|---|
| 徐亮;胥婕;董莲;徐信业;: "基于GPS共视法的原子频标远程校准技术", 上海计量测试, no. 04, 25 August 2016 (2016-08-25) * |
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