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Research on GPR Data-Processing and Software Development Based on MATLAB

Author: LiuKang
Tutor: YangJin
School: Chinese Geology University (Beijing)
Course: Earth Exploration and Information Technology
Keywords: Ground Penetrating Radar Data read Data processing Spectral profile analysis
CLC: P631.44
Type: Master's thesis
Year: 2011
Downloads: 428
Quote: 2
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Abstract


Ground penetrating radar data profile similar to the profile of seismic data , and is also very similar to the propagation of seismic waves propagation of electromagnetic waves in the underground , ground penetrating radar data processing technology in seismic data processing method can learn a certain extent . However, due to the inherent characteristics of strong electromagnetic wave attenuation and so different from those of seismic waves , ground-penetrating radar data processing is not exactly the same as in seismic data processing , but also consider the characteristics of the ground penetrating radar . From several widely used ground-penetrating radar data format , and analyze the storage structure based the MATLAB development software directly read four use the most widely used ground-penetrating radar data , as well as data display , processing and analysis of several parts . Which data display section includes data waveform stacked (B-Scan), Histogram of section (B-Scan) , and channel data waveform diagram (A-Scan); data processing , including the conventional bad sectors excluded , signal zero adjust the amplitude gain , which used amplitude gain is a long time window automatically gain ; data filtering process is essential and indispensable part of the ground-penetrating radar data processing , to achieve the main function , including the removal of the DC component of the background filter , one-dimensional IIR digital filtering , predictive deconvolution operation, pulse deconvolution operation to eliminate the interference signal to improve the signal-to-noise ratio , and improve the resolution obvious ; calculation of ground-penetrating radar data through the Hilbert transform and signal instantaneous parameters profile , mentioning ground penetrating radar data processing for a new analysis method ; through filtering , deconvolution profile analysis of the time-domain , frequency domain analysis , Fourier amplitude spectrum analysis as well as seeking the classic power spectral structure profile methods of analysis . The software to do data processing , and fully take into account the ease of use , such as a variety of data formats directly read , multi-view display conducive to instantly view the profile with channel data , as well as delay ( or depth ) compared and data input and output , and other aspects .

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CLC: > Astronomy,Earth Sciences > Geology > Geology, mineral prospecting and exploration > Geophysical exploration > Seismic exploration >
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