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Method for identifying data of electronic label on truck in high speed

An electronic label, data recognition technology, applied in the correct operation test, instrument, induction record carrier, etc., can solve the problem of no data frame, etc., to achieve the effect of high data readout rate

Inactive Publication Date: 2007-12-26
江苏瑞福智能科技有限公司
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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the existing truck speed is greater than 80 km / h, and the signal returned by some electronic tags to the reader does not have a complete data frame. The data frame of the data frame is spliced ​​quickly, so as to obtain the data recognition method of the high-speed truck electronic tag of the complete data frame

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  • Method for identifying data of electronic label on truck in high speed
  • Method for identifying data of electronic label on truck in high speed

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] As shown in Figure 3.

[0020] A high-speed truck electronic tag data identification method, it comprises the following steps:

[0021] (1) When the reader detects the data frame header signal sent by the activation of the electronic tag at the bottom of the truck, it immediately performs the frame header integrity detection. If it is confirmed to be the frame header, it starts to identify the frame data (that is, bits, as shown in Figure 1 shown), otherwise, re-detect the frame header;

[0022] (2) Carry out data identification on the data frame whose frame header is detected, and if the data is identified, decode the data and keep the data until a complete data frame is identified.

[0023] (3) If some data identification fails, then capture the synchronous feature signal (the synchronous feature signal is a data positioning signal, and Fig. ...

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Abstract

A method for identifying electronic countermark of high speed freight train includes embedding compiled program into relevant program of reader / writer, coordinating embedded program with hardware for timely collecting relevant information in electronic countermark on freight train and up-transmitting collected information to control center.

Description

technical field [0001] The invention relates to a method for identifying data of an electronic tag, in particular to a method for identifying data of an electronic tag for a high-speed truck. Background technique [0002] As we all know, after a truck electronic tag is activated by the microwave signal emitted by the reader, it will continuously and repeatedly return the data frame in the tag. The tag data frame consists of frame header and data (128 bits), which is the relevant data information of the train stored in the electronic tag. When the train is running at a slow speed, the signal returned from the electronic tag at the bottom of the train to the reader is less affected by the multipath effect. The reader can detect the signal returned by the tag in time and accurately, and interpret the data in the tag. Once the train speed exceeds 80 km / h, the multipath effect is greatly affected, and the signal returned from the train electronic tag to the reader hardly has a c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K7/00H04L1/24
Inventor 马杰曹宏海刘川李一春
Owner 江苏瑞福智能科技有限公司
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