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Synchronization method and device based on multiple measurement points

A technology for synchronization devices and measuring points, which is applied in the direction of synchronization devices, radio-controlled timers, instruments, etc., can solve the problems that the stability of synchronization is difficult to guarantee, and achieve the effect of improving stability

Active Publication Date: 2017-11-14
STATE GRID CORP OF CHINA +2
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Problems solved by technology

[0005] The main purpose of the present invention is to provide a synchronization method and device based on multiple measurement points to solve the problem that the stability of synchronization is difficult to guarantee when GPS signals are used for sampling synchronization in the related art

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Embodiment Construction

[0024] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0025] In order for those skilled in the art to better understand the solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiment is only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall belong to the protection scope of the present invention.

[0026] It should be noted that the terms "first" and "sec...

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Abstract

The invention discloses a synchronization method and nuclear device based on multiple measurement points. Among them, the synchronization method based on multiple measurement points includes: obtaining the channel delay of the fiber channel; adjusting the respective sampling intervals of multiple measurement points according to the channel delay to obtain multiple adjusted sampling intervals; and obtaining multiple adjusted sampling intervals; The sampling interval controls the sampling synchronization of corresponding multiple measurement points. The invention solves the problem in the related art that it is difficult to ensure the stability of synchronization when GPS signals are used for sampling synchronization.

Description

technical field [0001] The present invention relates to the technical field of synchronization, in particular to a synchronization method and device based on multiple measurement points. Background technique [0002] At present, in related technologies, sampling synchronization among multiple measurement points in a fault location system based on multiple measurement points is based on a GPS (Global Positioning System, Global Positioning System for short) synchronous clock signal. The sampling synchronization based on the GPS synchronous clock signal stamps the absolute time label on the sampling value of each measurement point and sends it to the host, and the host realizes the sampling synchronization according to the time label. [0003] The sampling synchronization of multiple measurement points based on the GPS synchronous clock signal requires high accuracy and stability of the GPS signal. However, due to many factors affecting the GPS signal, such as weather, electro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G04R20/02H04L7/00
Inventor 赵洋蔡松涛刘青张斌沈军胡习
Owner STATE GRID CORP OF CHINA
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