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The Research and Implementation for an Instrument Based Dual-frequency IP on the Tunnel Advanced Geological Exploration

Author: XinJun
Tutor: ZhouWeiDong；YangNiQing
School: Shandong University
Course: Circuits and Systems
Keywords: Induced polarization method Wavelet Denoising Wireless data transmission design Adaptive enlarge PID algorithm zero
CLC: U452.11
Type: Master's thesis
Year: 2011
Downloads: 32
Quote: 0
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Abstract


Utilize advanced geological forecast for tunnel construction period , advanced detection methods to find effective and developed a corresponding equipment , accurate forecasts and analysis of tunnel excavation in front of square to a variety of the adverse geological disasters body is reasonably practicable, the construction time for the tunnel construction disasters disposal measures to reduce the blindness of the tunnel construction , construction distress adaptability , reduce or eliminate the loss of personnel, equipment and engineering in the construction process , and has great practical significance . Depth study of the field of advanced detection technology status , advantages and excitation mechanism of polarization effects ; electric method analysis of the structure of dual-frequency excitation polarization method of theoretical basis and the existing mainstream dual-frequency induced polarization instrument features ; combination of tunnel construction site commencement of work characteristics and electromagnetic characteristics of the environment , research and design an to excitation polarization method of induced polarization method tunnel geological probing instrument system based on the frequency domain . This paper presents the instrumentation system design principles , structural features and indicators parameters , to develop frequency induced polarization instrument . The papers discusses in detail the design of real-time SCM system selection , dual frequency and output level design , reliable signal acquisition and denoising design , data communications , and reliable wireless data transmission design , the IPC main program software design , the signal processing software several key aspects of the design, optimization design study to ensure that the instrument system environment adaptability , stability , measurement accuracy , real-time communication and flexibility to achieve the dual purpose of scientific research and practical project requirements . In this thesis through model test apparatus comparative tests and field trials continue to analyze , summarize and improved instrumentation systems are maturing . Construction site in Jiaozhou Bay undersea tunnel \

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CLC: > Transportation > Road transport > Tunnel project > Investigation, design and calculation > Survey > Tunnel engineering geological and hydrogeological investigations
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