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Analysis and Processing on Shallow Channel Echo Signal of Subsurface Ground Penetrating Radar

Author: MaJunJie
Tutor: XuHui
School: Shenyang University of Technology
Course: Measuring Technology and Instruments
Keywords: Ground Penetrating Radar Format to read Data processing Method of Noise
CLC: TN957.51
Type: Master's thesis
Year: 2012
Downloads: 38
Quote: 0
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Abstract


The ground-penetrating radar is an effective way to detect underground targets a lossless . With ground-penetrating radar technology matures , its performance continues to improve, the superiority of the ground penetrating radar has been generally recognized . Integrated commercial development of ground-penetrating radar technology makes for ground penetrating radar echo signal processing technology has become a popular issue . Ground penetrating radar data received echoes in the process of working , the huge amount of data . Meanwhile, in the received echo information , inevitably received interference information . Under normal circumstances, in the processed signal is almost impossible to determine. Accurate ground penetrating radar echoes real information , more and more attention by users with practical and research value . As a starting point in this article from the basic theory of the Maxwell equations and ground-penetrating radar , ground penetrating radar technology indicators and parameters . And analysis of ground-penetrating radar clutter sources , targeted removal of various interference factors of the echo signal . Also different due to different manufacturers , the corresponding ground penetrating radar format . This paper analyzes the common radar format storage structure using c language accurately read the data in the file . For signal analysis and processing platform to M stare LAB import the results to M stare LAB . DC interference in addition to the radar signal portions and background noise portions . Gain of the echo signal , so that the underground objectives are displayed . M stare LAB , calculation methods and functions to draw a ground penetrating radar wiggle curve shows echo information for each channel . Ground penetrating radar cross-section display and a color fill . Using deconvolution and improved wavelet threshold remove interference noise echoes . Deconvolution inhibit the process of wavelet choice here is predictive deconvolution . The Wavelet improved threshold method relative to the traditional threshold method for denoising effect . To achieve the purpose of improving the resolution of the radar cross-sectional view of .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Radar > Radar equipment,radar > Radar receiving equipment > Radar signal detection and processing
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