Cross station high-speed communication system for geophysical exploration and communication protocol of cross station high-speed communication system

A technology for geophysical exploration and high-speed communication, which is applied in the field of high-speed communication systems and communication protocols of cross-stations, can solve the problems of low data transmission rate of communication systems, and achieve the effects of high communication efficiency, simple structure and improved communication reliability.

Inactive Publication Date: 2012-03-28
HEFEI GUOWEI ELECTRONICS
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Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide a cross-station high-speed communication system and its communication protocol for geophysical exploration, so as to solve the problem of low data transmission rate of the existing communication system

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  • Cross station high-speed communication system for geophysical exploration and communication protocol of cross station high-speed communication system
  • Cross station high-speed communication system for geophysical exploration and communication protocol of cross station high-speed communication system
  • Cross station high-speed communication system for geophysical exploration and communication protocol of cross station high-speed communication system

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Embodiment Construction

[0026] See figure 1 , the cross station high-speed communication system used for geophysical exploration, including the main control unit 1, the cross station 2 and the collection station 3, the main control computer 1 is connected with the cross station 2 in turn, and the cross station 2 is connected by the cross line 4, and the collection station Station 3 is connected to both sides of each crossing station through the main line 5;

[0027] See figure 2 , each cross station 2 includes a field programmable gate array 6, four parallel / serial converters 7, four serial / parallel converters 8, four drivers CLC001 9, four equalizers CLC012 10, four A command interface 11 and four data interfaces 12, the four command interfaces 11 are respectively connected to the field programmable gate array 6 through a driver CLC001 9 and a parallel / serial converter 7, and the four data interfaces 12 are respectively passed through An equalizer CLC012 10 and a serial / parallel converter 8 are c...

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Abstract

The invention discloses a cross station high-speed communication system for geophysical exploration and a communication protocol of the cross station high-speed communication system. The cross station high-speed communication system comprises a main control machine, cross stations and acquisition stations, wherein the main control machine is sequentially connected with the cross stations; the cross stations are connected by using cross lines; the acquisition stations are connected to two sides of each cross station by using large lines; each cross station comprises a field programmable gate array, a parallel-to-series converter, a series-to-parallel converter, a driver, an equalizer, a command interface and a data interface; each command interface is sequentially connected with the field programmable gate array through the driver and the parallel-to-series converter; and each data interface is sequentially connected with the field programmable gate array through the equalizer and the series-to-parallel converter. The invention is simple in structure, convenient to operate and use, and low in cost; data transmission speed rate reaches 144 Mbps; and when a transmission medium is an unshielded twisted pair, distances of data transmission and data receiving are 100 meters.

Description

[0001] technical field [0002] The invention relates to a seismic data acquisition and transmission system, in particular to a cross-station high-speed communication system and communication protocol for geophysical exploration. Background technique [0003] At present, the data acquisition and transmission systems of land seismic exploration instruments widely used at home and abroad are System IV of ION Company in the United States and 408UL seismic data acquisition system of Sercel Company in France. Domestic land seismic exploration data acquisition systems are mainly imported from these two companies. The domestic independent research and development of seismic exploration has been launched. From the national intellectual property patent retrieval system, a patent "cross station large line interface communication system" (application number 200910081815.6) applied by China Petroleum Corporation Dongfang Geophysical Exploration Co., Ltd. has been found. The following i...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L1/00G01V1/22
Inventor 宋克柱杨俊峰曹平商林峰陈静
Owner HEFEI GUOWEI ELECTRONICS
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