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Data playback simulating method and system

A technology of data playback and simulation methods, applied in transmission systems, time-division multiplexing systems, time-division multiplexing selection devices, etc., can solve problems such as inability to record data speed and time characteristics

Active Publication Date: 2014-08-20
广州中广国科测控技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The embodiment of the present invention provides a data playback simulation method and system, aiming to solve the problem that the existing technology cannot simulate and restore the recorded scene after the event according to the speed and time characteristics of the saved data recording

Method used

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  • Data playback simulating method and system
  • Data playback simulating method and system
  • Data playback simulating method and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] figure 2 It shows the implementation process of the data playback simulation method provided by Embodiment 1 of the present invention, with the recording terminal as the execution subject, and the details are as follows:

[0027] In step S201, the data packet is converted into an LAPS frame according to the link access procedure (Link Access Procedure-SDH, LAPS) protocol on SDH, and the data packet is an Ethernet frame.

[0028] In this embodiment, the recording terminal is an intelligent terminal for storing data, such as a monitoring device. The data packet is an Ethernet frame. The LAPS frame is a variant of the HDLC protocol frame, which can provide data link services and protocol specifications, and can specifically encapsulate the IP data packets that the SDH network needs to transmit so as to define the encapsulated Ethernet frames. boundary. The recording end converts the data packets into LAPS frames according to the LAPS protocol, and the data packets are ...

Embodiment 2

[0033] Figure 4 It shows the implementation process of the data playback simulation method provided by the second embodiment of the present invention, with the download terminal as the execution subject, and the details are as follows:

[0034] In step S401, download the valid data saved by the recording end, parse the valid data to obtain a restored data stream including the LAPS frame and the identification character.

[0035] In this embodiment, the recording terminal is an intelligent terminal for storing data, such as a monitoring device. The data packet is an Ethernet frame. The LAPS frame is a variant of the HDLC protocol frame, which can provide data link services and protocol specifications, and can specifically encapsulate the IP data packets that the SDH network needs to transmit so as to define the encapsulated Ethernet frames. boundary. The download end downloads the valid data saved by the recording terminal, parses the valid data to obtain a restored data st...

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Abstract

The invention belongs to the technical field of electronic application apparatuses, and provides a data playback simulating method and system. The method comprises the steps that a recording end converts a data package into LAPS frames according to an LAPS protocol, wherein the data package is in a form of Ethernet frames; identification characters are inserted into the LAPS frames every set time, and the LAPS frames and the identification characters serve as effective data to be stored; a downloading end downloads the effective data stored through the recording end, and the effective data are analyzed to acquire a restoring data flow comprising the LAPS frames and the identification characters; the LAPS frames in the restoring data flow are converted into the data package according to the LAPS protocol; the adjacent identification characters in the restoring data flow are delayed by the set time. By means of the data playback simulating method and system, the recorded scene is played back in a simulation mode after the event according to the speed and the time characteristics of recording when the data are stored.

Description

technical field [0001] The invention belongs to the technical field of electronic application equipment, and in particular relates to a data playback simulation method and system. Background technique [0002] With the rapid development of electronic application equipment, the requirements for recorders such as real-time data acquisition and recording are getting higher and higher, such as test monitoring equipment. The existing recorder only stays on the basic function of storing the data itself according to the recording of the data. The specific mode is as follows figure 1 As shown, it is not possible to simulate and restore the recorded scene after the event based on the speed and time characteristics of the saved data recording, and the user needs to analyze and restore it by himself. Contents of the invention [0003] The embodiment of the present invention provides a data playback simulation method and system, aiming at solving the problem that the existing technol...

Claims

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Application Information

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IPC IPC(8): H04J3/16H04L29/06H04Q11/04
Inventor 吕春李峰
Owner 广州中广国科测控技术有限公司
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