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High precision time service method used for distributed system

A distributed system, high-precision technology, applied in the direction of transmission system, digital transmission system, electrical components, etc., can solve the problem of low precision and achieve the effect of high-precision timing

Active Publication Date: 2012-03-07
AVIC NO 631 RES INST
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  • Abstract
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  • Application Information

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Problems solved by technology

[0003] The invention provides a high-precision timing method for distributed systems, which mainly solves the problem of low precision of existing network-based timing methods for distributed systems

Method used

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  • High precision time service method used for distributed system
  • High precision time service method used for distributed system
  • High precision time service method used for distributed system

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Embodiment Construction

[0020] The present invention mainly aims at the disadvantage of low accuracy of the distributed system timing method based on the network, and proposes a distributed system timing method based on the network and realized by synchronous pulse signal circuit, which greatly improves the timing accuracy of the system.

[0021] The system targeted by the scheme is a distributed system that requires high-precision timing. Based on the previous method of timing through the network, it uses the synchronous pulse signal circuit as the signal to start the timing, which greatly improves the accuracy of the system timing.

[0022] The high-precision timing method for distributed systems will be described in detail below in conjunction with the accompanying drawings, as figure 1 , figure 2 As shown, the method includes the following steps:

[0023] 1] Build the system

[0024] The usual distributed system that requires time service is composed of the source node of time service, the des...

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Abstract

The invention provides a high precision time service method used for a distributed system, mainly solving a problem of low precision of a time service method used for the distributed system based on a network. The high precision time service method comprises two steps of (1) system establishment and (2) time service. According to the method, under the condition that hardware requirements of a distributed system network and a timer are not high, high precision time service of the distributed system is realized, and time service precision can reach a nanosecond level.

Description

technical field [0001] The invention relates to a high-precision timing method, in particular to a high-precision timing method for a distributed system. Background technique [0002] At present, the timing of the distributed system is mainly completed through the system network. The usual distributed system that requires time service is composed of the source node of time service, the destination node of time service and the system network; although there are various algorithms to improve the time service accuracy, the accuracy has not been high due to the delay, jitter and uncertainty of the network itself . Contents of the invention [0003] The invention provides a high-precision timing method for distributed systems, which mainly solves the problem of low precision of existing network-based timing methods for distributed systems. [0004] Concrete technical solution of the present invention is as follows: [0005] The high-precision timing method for a distributed ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L7/00
Inventor 王乐孙靖国吴超韩强
Owner AVIC NO 631 RES INST
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