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Research on Data Acquisition Module of Broadband Seismic Recorder Based on ARM

Author: LinShouGang
Tutor: LinJun
School: Jilin University
Course: Measuring Technology and Instruments
Keywords: Broadband seismograph ARM Linux GPS A / D Acquisition
CLC: TH762.2
Type: Master's thesis
Year: 2007
Downloads: 293
Quote: 2
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Abstract


Geodynamic studies of the Qinghai-Tibet Plateau to become one of the most popular topics in the geosciences , for the depth of the deep structure of the Tibetan Plateau , the developed countries have invested a lot of money for seismic exploration . The broadband seismograph the natural earthquake detection and chromatography earthquake detection work is not only economically cost-effective , but also be able to provide a greater depth of the constructed image , which provides a way to solve the basic problems of geodynamics paper analyzes the current domestic and international broadband seismic instrument development , design a broadband seismograph , seismic data and GPS information acquisition function . Embedded systems , A / D technology , based on the ARM control core , 24 A / D to develop a broadband seismic data acquisition program , consider seismograph field work environment , system-on-chip select industrial-grade chips , the design of the A / D acquisition , ARM control system hardware circuit to achieve the Linux operating system migration , the completion of the seismic data acquisition function , and the experimental test results . GPS, 485 transmission technology research, development of the GPS information collection program : GPS receiver serial output time positioning information through the serial port output , the RS485 standard long-distance transmission between the GPS receiver and the master . Set design GPS receiver program , the Linxu under serial monitoring through the console serial port to receive GPS information acquisition .

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CLC: > Industrial Technology > Machinery and Instrument Industry > Instruments, meters > Earth Science Instruments > Geophysical observation instruments > Seismic instruments
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