Study On Landslide Monitoring Design Based On TDR Technology

Landsides monitoring slope stability is an important topic for water utilization andtransportation engineering. Through the understanding of landslide monitoring of landslide,and timely grasp of the influence of various engineering, analysis of monitoring data, andmake accurate predictions, which reduce the variety of possible disasters.Time-domain reflectometer (TDR) is one of the important technology of landslidemonitoring method, this paper expounds the basic principle of TDR technology, andaccording to the characteristic of TDR signal in coaxial cable transmission, studies theparameter selection, coaxial cable for the need of high precision measurement, landslidemonitoring, this paper designed a kind of equivalent sampling based on FPGA and delaychip high-speed implementation system, narrow pulse and the implementation of equivalentsampling is innovations and main content of this article. Level by implementing apicosecond narrow pulse and improve the precision of the system monitoring, at the sametime, the typical equivalent sampling combined with FPGA good implementation of10GHZ high-speed equivalent sampling, can meet the needs of the landslide monitoring andhigh precision measurement.This design system with related theory as the starting point, focus on the narrow pulsetransmitting theory and realization method, the theory of equivalent sampling,EP1C12Q40C8design and its implementation method. After complete each modulehardware design is also part of the software for the related writing, simulation. and theequivalent sampling data after the restructuring was part of the study, can achieve very goodsystem performance requirements.