نتایج جستجو برای: several geophysical methods

تعداد نتایج: 2568810  

Journal: :Remote Sensing 2022

Landslides (LS) represent geomorphological processes that can induce changes over time in the physical, hydrogeological, and mechanical properties of involved materials. For geohazard assessment, variations these might be detected by a wide range non-intrusive techniques, which sometimes confusing due to their significant variation accuracy, suitability, coverage area, logistics, timescale, cos...

Journal: :Remote Sensing 2022

As powerful economic and cultural centers, fortified sites played an important role in early medieval society. In Central Europe, site research has been essential topic for several generations. However, gradual changes the landscape are a threat to these heritage monuments. The main task of this paper was compare previous results from archaeological excavations with new data acquired by geophys...

Journal: :Forensic sciences 2022

The international workshop ‘Forensic Search and Recovery of Clandestine Graves’ took place over two days in 2021 Wroclaw, Poland. goal the was to improve search methods techniques related examination clandestine burial sites. Geophysical were used by an team multi-disciplinary specialists detect simulated training focused on testing methods, including Ground-Penetrating Radar (GPR), verify effe...

2008
Milan Paluš Dagmar Novotná

Detection and extraction of quasi-oscillatory dynamical modes from instrumental records of geophysical data became a useful tool in analysing variability of observed phenomena reflected in complex, multivariate geophysical signals. Using the extension of the Monte Carlo Singular System Analysis (MC SSA), based on evaluating and testing regularity of dynamics of the SSA modes against the colored...

Journal: :Data Science Journal 2009
Akinori Saito Daiki Yoshida

We propose to establish “data-showcase” system to display the various geophysical data in one frame. Data-showcase is a system not to provide data but to show various types of the geophysical data in intuitable way. The newly developed Dagik, Daily geospace data in kml, is the first data-showcase system for the geospace data. It contains several types of data by ground-based and satellite measu...

2007
Janet E. Simms

The attention given the natural geologic background of a site and its influence on geophysical sensors has grown considerably over the past several years, primarily because of the governmentsupported unexploded ordnance (UXO) technology demonstrations and government mandated UXO cleanup activities. Explosive and ordnance detection (EOD) teams have encountered difficulties at sites thought to be...

2004
Suju Rajan K. Clint Slatton

Extremely Low Frequency (ELF) electromagnetic signals are of great interest in a variety of applications, including the transmission of communication signals over long distances in seawater and below the Earth’s surface, deep geophysical sounding, and the study of electrical atmospheric phenomena known as sferics. In subsurface signaling applications, wireless electromagnetic methods generally ...

2003
A. T. FISHER

Geophysical observations and models provide important constraints on the properties of seafloor hydrothermal systems and associated fluxes. These studies indicate how the upper lithosphere is constructed and evolves, characteristics that are related to hydrothermal systems through the mechanical state of the lithosphere and the availability of heat to drive fluid flow. Geophysical studies illus...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان 1389

implicit and unobserved errors and vulnerabilities issues usually arise in cryptographic protocols and especially in authentication protocols. this may enable an attacker to make serious damages to the desired system, such as having the access to or changing secret documents, interfering in bank transactions, having access to users’ accounts, or may be having the control all over the syste...

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