搜索结果: 1-15 共查到“航空、航天科学技术 Analysis,”相关记录46条 . 查询时间(0.281 秒)
A WEB-BASED VIRTUAL LABORATORY FOR SATELLITE IMAGE PROCESSING AND ANALYSIS
Education Satellite Image Processing E-Learning Tool Web-based Virtual Laboratory
2019/2/27
With continuous increase in the utilization of satellite images in various engineering and science fields, it is imperative to equip students with additional educational aid in subject of satellite im...
ROAD NETWORK IDENTIFICATION AND EXTRACTION IN SATELLITE IMAGERY USING OTSU'S METHOD AND CONNECTED COMPONENT ANALYSIS
Road identification road extraction Otsu's method connected component analysis morphological operations
2019/2/27
As the high resolution satellite images have become easily available, this has motivated researchers for searching advanced methods for object detection and extraction from satellite images. Roads are...
COMPARISON AND ANALYSIS OF ACCURACY OF ELEVATION EXTRACTION BASED ON THE ZY-3 01 AND 02 SATELLITES STEREOSCOPIC IMAGES
ZY-3 Stereoscopic Satellite GSD DEM differential DEM, Accuracy
2018/5/16
The ZY-3 is the civil high-resolution optical stereoscopic mapping satellite independently developed by China. The ZY-3 constellation of the twin satellites operates in a sun-synchronous, near-polar, ...
PRELIMINARY GAOFEN-3 INSAR DEM ACCURACY ANALYSIS
GF-3 satellite, error analysis, calibration, digital elevation model, precision validation
2018/5/11
GF-3 satellite, the first C band and full-polarization SAR satellite of China with spatial resolution of 1 m, was successfully launched in August 2016. We analyze the error sources of GF-3 satel...
MULTI-FACTOR ANALYSIS FOR SELECTING LUNAR EXPLORATION SOFT LANDING AREA AND THE BEST CRUISE ROUTE
the South Pole-Aitken, Von Karman crater, Multi-factor analysis, Landing area, Cruise route
2018/5/15
Selecting the right soft landing area and planning a reasonable cruise route are the basic tasks of lunar exploration. In this paper, the Von Karman crater in the Antarctic Aitken basin on the back of...
POSITION ACCURACY ANALYSIS OF A ROBUST VISION-BASED NAVIGATION
Navigation Space Resection 3D map
2018/6/4
Using images to determine camera position and attitude is a consolidated method, very widespread for application like UAV navigation. In harsh environment, where GNSS could be degraded or denied, imag...
A SATELLITE IMAGE CLASSIFICATION APPROACH BY USING ONE DIMENSIONAL DISCRIMINANT ANALYSIS
Satellite Image Image Classification Linear Discriminant Analysis Dimension Reduction
2018/4/18
The classification problem in the image processing field is an important challenge, so that in the process image pixels are separated into previously determined classes according to their features. Th...
A SATELLITE IMAGE CLASSIFICATION APPROACH BY USING ONE DIMENSIONAL DISCRIMINANT ANALYSIS
Satellite Image Image Classification Linear Discriminant Analysis Dimension Reduction
2018/5/8
The classification problem in the image processing field is an important challenge, so that in the process image pixels are separated into previously determined classes according to their features. Th...
Analysis of strong wind events around Adelie Land, East Antarctica
strong wind events cyclones Dumont d'Urville Antarctica
2015/9/16
Strong wind events at Dumont d'Urville (DdU), an East Antarctic coastal station, and Dome C, an interior station,
were studied to determine if the wind along the Adelie Land coast increases with the ...
ANALYSIS OF OBJECT-ORIENTED CLASSIFICATION RESULTS DERIVED FROM PAN-SHARPENED LANDSAT 7 ETM+ AND ASTER IMAGES
object-oriented classification eCognition
2015/8/17
In this study, performance of object-oriented classification approach has been tested using medium resolution satellite dataset of
Zonguldak testfield. For this purpose, Landsat 7 ETM+ and ASTER ima...
Insights from von Neumann analysis of high-order flux reconstruction schemes
High-order methods Flux reconstruction Nodal discontinuous Galerkin method
2015/7/3
Additionally, twodimensional non-linear numerical experiments are undertaken in order to assess whether results of the 1D von Neumann analysis (which is inherently linear) extend to real world problem...
An Analysis of Bodies Having Minimum Pressure Drag in Supersonic Flow: Exploring the Nonlinear Domain
Analysis Bodies Having Minimum Pressure Drag Supersonic Flow Exploring Nonlinear Domain
2015/7/2
One of the most interesting problems in supersonic aerodynamics has been to nd pro le shapes that have minimum pressure drag, subject to a set of geometric constraints. Considerable work was done in ...
To account for the elastic nature of the sail cloth, this ow solver is coupled to NASTRAN to provide estimates of the de ections caused by the pressure loading. The results from the aeroelastic simul...
An Efficient Multiblock Method for Aerodynamic Analysis and Design on Distributed Memory Systems
Efficient Multiblock Method Aerodynamic Analysis Design Distributed Memory Systems
2015/7/1
The work presented in this paper describes the application of a multiblock gridding strategy to the solution of aerodynamic design optimization problems involving complex configurations. The design pr...
ANALYSIS AND IMPLEMENTATION OF THE GAS-KINETIC BGK SCHEME FOR COMPUTATIONAL GAS DYNAMICS
gas evolution model gas-kinetic BGK schemes entropy condition gas-kinetic Lax±Wendroff ˉux
2015/7/1
Gas-kinetic schemes based on the BGK model are proposed as an alternative evolution model which can cure some of the limitations of current Riemann solvers. To analyse the schemes, simple advection eq...