Method for aligning multichannel data based on system synchronizing and reference channel

A reference channel and data alignment technology, applied in transmission systems, synchronization devices, digital transmission systems, etc., can solve problems such as data alignment failure and mark alignment failure

Inactive Publication Date: 2012-12-12
WUHAN BINHU ELECTRONICS
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Problems solved by technology

[0005] This patent also has the following disadvantages: if one of the data channels is disconnected, it is detected that the marker block of the channel has not arrived within the predetermined time, the marker alignment fails, and the buffer operation of the data of each channel is cleared, thus causing other channels. Data also cannot be aligned

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  • Method for aligning multichannel data based on system synchronizing and reference channel
  • Method for aligning multichannel data based on system synchronizing and reference channel

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with the accompanying drawings.

[0030] Such as figure 1 It is a hardware schematic diagram of the sending end of a multi-channel data alignment system based on system synchronization and reference channels according to an embodiment of the present invention; figure 2 It is a hardware schematic diagram of a receiving end of a multi-channel data alignment system based on system synchronization and reference channels according to an embodiment of the present invention. The following is figure 1 , 2 Instructions for the hardware used in:

[0031] AD board: Complete the AD conversion of the radar intermediate frequency data, and frame the AD converted data with the "system synchronization".

[0032] Multiplexing board: complete the multiplexing of N-channel data, 8B10B encoding, parallel-to-serial conversion and electro-optical conversion.

[0033] Due to the large N, the serial data bandwidth of th...

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Abstract

The invention relates to the fields of optical fiber communication and digital communication. Particularly, the invention relates to a method for aligning multichannel data based on a system synchronizing and reference channel. The method for aligning the multichannel data based on the system synchronizing and reference channel comprises the following steps: the transmitted multichannel data are basically synchronized by arranging a ''system synchronization'' signal; then ''reference channel'' data are arranged additionally, so that a read control module for aligning channels is unrelated with the data of the working channel.

Description

technical field [0001] The invention relates to the fields of optical fiber communication and digital communication, in particular to a multi-channel data alignment method based on system synchronization and reference channels. Background technique [0002] In phased array radar, during the transmission of multi-channel AD data, due to the difference in the length of the signal transmission path, the difference in signal delay is caused. As a result, the problem of aligning multi-channel data is often encountered in the design process. [0003] The present invention also relates to the multiplexing technology: at the sending end of the transmission line, the process of combining two or more branch digital signals into a single combined digital signal in a time-division multiplexing manner is called digital multiplexing; The process of separating a composite digital signal into two or more branch digital signals at the receiving end of the transmission line is called digital ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L7/00
Inventor 宋慧
Owner WUHAN BINHU ELECTRONICS
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