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THE MONITORING AND SPATIAL-TEMPORAL EVOLUTION CHARACTERISTIC ANALYSIS FOR LAND SUBSIDENCE IN BEIJING
Land Subsidence D-InSAR Small Baseline Subset (SBAS) Characteristic Analysis Plain area
2018/5/17
At present the land subsidence has been the main geological disaster in the plain area of China, and became one of the most serious disaster that restrict the social and economic sustainable developme...
RESPONSE CHARACTERISTIC ANALYSIS OF CLIMATE CHANGE OF VEGETATION ACTIVITY IN HUANGHE-HUAIHE-HAIHE ZONE BASED ON NOAA NDVI DATA SET
NDVI Climate Change Green Wave Brown Wave Huanghe-Huaihe-Haihe (HHH) Zone
2015/12/31
The article, using the each ten day’s data of NOAA/AVHRR from 1981 to 2000 and adopting the Maximum-Slope Method and Curve-Fitting Method, analyzes the beginning and ending of the growth season of the...
Temporal-Spatial Dynamic Characteristic of Vegetation in the Area of Continued Hydropower Station Construction in the Upper Reach of the Yellow River
Temporal-Spatial Dynamic Eco-environmental Impact Hydropower Development Yellow River
2015/12/11
The hydropower station construction produced serious impacts on the regional eco-environment. The most obvious characteristics of the impacts caused by the cascade hydroelectric development are progre...
A Study and Experiment on Spatial Statistical CharacterIStic to Discover River Structure knowledge
Spatial Statistics Data Mining River Structure Classification
2015/12/2
River structure is a direct concept for the distribution of rivers in nature. In spatial database, river structure is a type of spatial relations composed by river features. This paper proposes the ch...
Hydraulic characteristic of collagen
thixotropy collagen unsteady flow in pipe hydraulic characteristics
2015/10/9
The hysteresis of a hydraulic characteristic while pumping an aqueous solution of collagen through a pipe at gradually increasing and decreasing flow rates (hysteresis means that the pressure drop cur...
PERFORMANCE CHARACTERISTIC MEMS-BASED IMUs FOR UAVs NAVIGATION
UAV Navigation Sensor fusion INS/GPS IMU GPS Magnetometer Extended Kalman Filter RTK
2015/9/10
Accurate 3D reconstruction has become essential for non-traditional mapping applications such as urban planning, mining industry, environmental monitoring, navigation, surveillance, pipeline inspectio...
DETERMINATION OF CHARACTERISTIC SITE PERIOD AND PRELIMINARY GROUND RESPONCE ANALYSIS ACCORDING TO RESONANCE BY USING GIS
Analysis Building Earthquakes GIS Hazards Soil
2015/7/30
Ground response analyses are mostly used for the development of design response spectra in the modern earthquake engineering.
After 1999 Marmara Earthquake, the damages were mostly related with unav...
GEOMETRIC REASONING IN 3D BUILDING MODELS USING MULTIVARIATE POLYNOMIALS AND CHARACTERISTIC SETS
geometric reasoning constraints theorem proving Wu’s method multivariate polynomials 3D building models
2014/10/16
In order to generate complex virtual cities, models of buildings have to be defined in advance. A common approach describes individual components of these buildings, which are in turn restricted by ge...
GEOMETRIC REASONING IN 3D BUILDING MODELS USING MULTIVARIATE POLYNOMIALS AND CHARACTERISTIC SETS
geometric reasoning constraints theorem proving Wu’s method multivariate polynomials 3D building models
2014/10/16
In order to generate complex virtual cities, models of buildings have to be defined in advance. A common approach describes individual components of these buildings, which are in turn restricted by ge...
Black Spot Determination of Traffic Accident Locations and Its Spatial Association Characteristic Analysis Based on GIS
Black Spot Traffic Accident Spatial Analysis
2013/3/5
In general, the location of traffic accidents is described as an address with text, so they are difficult to display on the map. The paper discusses how to utilize the geocoding technology and VRS-GPS...
Measuring and Modeling Atmospheric Arsenic Pollutants, Total As, As(III), and As(V), at Five Characteristic Sampling Sites
TSP Dry deposition Model Arsenic (As) As(III) As(V)
2016/3/28
This investigation determines ambient air arsenic (As), As(III), and As(V) concentrations in total suspended particulates
(TSP) and dry deposition. Calculated/measured dry deposition flux ratios of a...
Freezing Transition, Characteristic Polynomials of Random Matrices, and the Riemann Zeta-Function
Freezing Transition Characteristic Polynomials Random Matrices the Riemann Zeta-Function
2012/2/24
We argue that the freezing transition scenario, previously explored in the statistical mechanics of 1/f-noise random energy models, also determines the value distribution of the maximum of the modulus...
Fabrication and analyses of negative birefrigent thin film compensator with characteristic matrix
Multilayer Thin Film Compensator Viewing Angle
2011/12/1
We fabricated a multilayer negative-birefringent film as a phase compensator to minimize light leakage from twisted nematic liquid crystal displays in oblique incidence.The multilayer film stack is co...
Experimental study on the fractal characteristic of methane explosion flame
Methane explosion Schlieren image Flame structure Fractal dimension
2012/3/28
In this paper flame microstructures and propagation characteristic of methane explosion are studied by high speed schlieren photography technique. By experiment it shows that flame front surface and i...
The characteristic of in situ stress in outburst area of China
Coal and gas outburst In situ stress Measurement Stress field type
2012/3/31
In order to obtain the characteristics of in situ stress field in outburst mining area, using the hollow inclusion (HI) technique to measure the in situ stress of coal and gas outburst mining area. Th...