搜索结果: 1-15 共查到“知识库 理学 techniques”相关记录169条 . 查询时间(0.117 秒)
IDENTIFICATION OF POTENTIAL SITES FOR WATER HARVESTING STRUCTURES USING GEOSPATIAL TECHNIQUES AND MULTI-CRITERIA DECISION ANALYSIS
Water harvesting structures Remote sensing and GIS Watershed management MSE AHP
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2019/2/27
Changing hydrological phenomenon and increase the water demand in all sectors create a huge problem of water scarcity. Precipitation is one and only major source to mitigate this problem. In Central I...
LANDSLIDE HAZARD ZONATION IN AND AROUND KEDARNATH REGION AND ITS VALIDATION BASED ON REAL TIME KEDARNATH DISASTER USING GEOSPATIAL TECHNIQUES
Landslide Hazard Zonation GIS Orthorectification Drainage Density Geomorphology
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2019/2/28
Landslides are one of the frequently happening disasters in this hilly state of Uttarakhand which accounts to the loss of lives and property every year especially during the rainy season which lead to...
PRECONDITIONING TECHNIQUES IN FRAME THEORY AND PROBABILISTIC FRAMES
Parseval frame Scalable frame Fritz John Theorem Probabilistic frames frame potential continuous frames
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2015/12/10
In this chapter we survey two topics that have recently been investigated in frame theory. First, we give an overview of the class of scalable frames.These are (finite) frames with the property that e...
Historical variables of seismic effects: economic levels, demographic scales and building techniques
Historical demography economic levels building techniques macroseismic intensity
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2015/9/30
During the analysis of the historical seismicity of Italy, territorial and social elements emerged that in the long term have strongly influenced the effects of the earthquakes. These elements are her...
222 Rn study throughout different seismotectonical areas: comparison between different techniques for discrete monitoring
radon in groundwater versus seismotectonics ASM-LCC and GSM methods Eastern Alps Gargano Colli Albani
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2015/9/30
the frame of the geochemical monitoring of seismicity mainly aimed at deepening the relationships between active seismotectonics and fluid geochemistry, i.e. earthquake prediction, a 222 Rn study was ...
Comparison of Wavelet and FFT Based Single Channel Speech Signal Noise Reduction Techniques
DWT DWPT wavelet wavelet packet FFT noise control speech enhancement noise cancellation filter
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2015/9/29
This paper compares wavelet and short time Fourier transform based techniques for single channel speechsignal noise reduction. Despite success of wavelet denoising of images, it has not yet been widel...
Robust satellite techniques for monitoring volcanic eruptions
satellite remote sensing AVHRR robust techniques volcanic aerosols detection
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2015/9/28
Through this paper the robust approach to monitoring volcanic aerosols by satellite is applied to an extended set of events affecting Stromboli and Etna volcanoes to assess its performance in automate...
Robust satellite techniques for remote sensing of seismically active areas
Earthquake satellite remote sensing thermal IR anomaly robust satellite techniques seismogenic areas monitoring
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2015/9/28
Several satellite techniques have been recently proposed to remotely map seismically active zones and to monitor geophysical phenomena possibly associated with earthquakes. Even if questionable in ter...
Improved techniques in data analysis and interpretation of potential fields:examples of application in volcanic and seismically active areas
gravimetry potential fields geomagnetism signal enhancement techniques
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2015/9/25
Geopotential data may be interpreted by many different techniques, depending on the nature of the mathematical equations correlating specific unknown ground parameters to the measured data set. The in...
Radio occultation techniques for probing the ionosphere
radio detection ionosphere
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2015/9/14
GPS radio occultation measurements establish the basis for a new remote sensing technique for vertical profile information on the electron density of the entire ionosphere from satellite orbit
height...
Robust satellite techniques for volcanicand seismic hazards monitoring
lava flows volcanic ash clouds Irpinia-Basilicata earthquake Robust AVHRR Techniques TIR anomaly
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2015/9/14
Several satellite techniques have been proposed to monitor events related to seismic and volcanic activity. A selfadaptive approach (RAT, Robust AVHRR Techniques) has recently been proposed which seem...
Ionospheric Doppler measurements by means of HF-radar techniques
shift Doppler ionosphere plasma drift
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2015/9/10
Studies of the dynamics of the ionosphere and its related phenomena are mainly based on Doppler Drift measurements. The time variation (ionisation/recombination) of plasma density, thermospheric wind ...
Novel laser-based techniques for monitoring of volcanoes
diode laser absorption spectroscopy optical fiber
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2015/9/10
An overview of novel laser techniques suitable for volcanic monitoring, based on different kinds of infrared laser
sources, is presented. Their main advantages and drawbacks are discussed focusing on...
Kinematics and strain analyses of the eastern segment of the Pernicana Fault (Mt.Etna,Italy) derived from geodetic techniques (1997-2005)
GPS EDM ground deformation Pernicana Fault Mt. Etna
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2015/9/8
This paper analyses the ground deformations occurring on the eastern part of the Pernicana Fault from 1997 to 2005. This segment of the fault was monitored with three local networks based on GPS and E...
Qualitative and quantitative photogrammetric techniques for multi-temporal landslide analysis
photogrammetry DTMs generation archival photographs surface representation landslide analysis
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2015/9/8
The results of two survey methods, geological photointerpretation and historical photogrammetry, are compared in order to evaluate the temporal evolution of a unstable slope located in the Tuscan-Emil...