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Crater clusters on Mars:Shedding light on martian ejecta launch conditions
Cratering Mars Meteorites Impact processes
2015/12/25
We have identified two classes of crater clusters on Mars. One class is “small clusters” (crater diameter D ～ tens m, spread over few hundred m), fitting our earlier calculations for the breakup of we...
ESA ExoMars: Pre-launch PanCam Geometric Modeling and Accuracy Assessment
Error Propagation Mapping Localization Robotics Triangulation Photogrammetry
2014/9/9
ExoMars is the flagship mission of the European Space Agency (ESA) Aurora Programme. The mobile scientific platform, or rover, will carry a drill and a suite of instruments dedicated to exobiology and...
THE ISPRS STUDENT CONSORTIUM: FROM LAUNCH TO TENTH ANNIVERSARY
Internet, developing countries cooperation information exchange teaching, international organization learning planning
2014/7/23
The ISPRS Student Consortium is an international organization for students and young professionals in the fields of
photogrammetry, remote sensing, and the geospatial information sciences. Since its...
The Role of Projectile Configuration and Viscosity on the Launch Dynamics of Supersonic Projectiles
Role of Projectile Configuration and Viscosity Launch Dynamics Supersonic Projectiles Fluid Dynamics
2012/4/24
The aerodynamics of a projectile launched from barrels of various devices is quite complicated due to its interactions with the unsteady flow field around it. A computational study using moving grid m...
The Launch of Banking Instruments and the Figuration of Markets. The Case of the Polish Car-Trading Industry
analyzing the production within the context of commercial banking international banks Risk Management
2011/9/26
The paper aims at analyzing the production of creditworthiness within the context of commercial banking in international banks. Taking the interim financing in the Polish automobile sector as an examp...
Symmetrical 2-D Hermite-Gaussian Square Launch for High Bit Rate Transmission in Multimode Fiber Links
Fiber optics communication Fiber properties
2015/5/26
A 2-D Hermite-Gaussian square launch is demonstrated to show improved systems capacity over multimode fiber links. It shows a bandwidth improvement over both center and offset launches and exhibits ±5...
Comparisons between aerovane and sonic anemometer wind measurements at Alcântara Launch Center
Masts Wind speed Maximum wind
2010/10/25
This paper aimed to compare the wind measurements in two different types of anemometer: classical aerovane and modern sonic anemometer. The two sensors were installed at Alcântara Launch Center ...
Novel Passive Launch Scheme for Ultimate Bandwidth Improvement of Graded-Index Multimode Fibers
Fiber optics communications Optical engineering
2015/6/9
We propose a new practical multimode fiber optical launch scheme, providing near single mode group excitation for >5 times transmission bandwidth improvement. Equalization-free transmission of a 10-Gb...
Radiosounding-derived convective parameters for the Alcântara Launch Center
Storms Tropical regions Clouds Climatology
2010/10/25
Climatological features of convective parameters (K index, IK; 950 hPa K index, IK950; Showalter index, IS; lifted index, ILEV; total totals index, ITT; and convective available potential energy, CAPE...
Lagrangian velocity statistics of directed launch strategies in a Gulf of Mexico model
Lagrangian velocity statistics directed launch strategies Gulf of Mexico model
2009/11/11
The spatial dependence of Lagrangian displacement and velocity statistics is studied in the context of a data assimilating numerical model of the Gulf Mexico. In the active eddy region of the Western ...
The launch of the Index of Services as a National Statistic
launch Index of Services National Statistic
2009/11/4
The service sector, since 1970, has increased from 53 per cent of the economy to 74 per cent today. It is now by far the largest and fastest changing sector of the UK economy. This article describes t...
Report on the oficial launch of AFRALTI as a center of excellence for english speaking countries of Africa
the oficial launch AFRALTI excellence english speaking countries Africa
2009/10/20
The long awaited official launch of Afralti as a Centre of Excellence for English speaking countries of Africa took place at Afralti in Nairobi on the afternoon of the 8th of February, 2002.The ceremo...
Successful Launch of Greenhouse gases Observing Satellite “IBUKI”(GOSAT)
Successful Launch Greenhouse gases Observing Satellite IBUKI
2010/11/24
Successful Launch of Greenhouse gases Observing Satellite “IBUKI”(GOSAT)。
New H-2A Launch Vehicle Technology and Maiden Flight Results
Rockets H-2A Launch Vehicle New Technology
2009/8/19
The H-2A launch vehicle launched August 29,2001 is well balanced in payload capability, reliability, practicality, safety, and cost compared to be H-2 launch vehicle. To realize these concepts, aggres...
How to Launch A Birthday Attack Against DES
DES Differential cryptanalysis Linear cryptanalysis
2009/6/5
We present a birthday attack against DES. It is entirely based on the relationship
Li+1 = Ri and the simple key schedule in DES. It requires about 216 ciphertexts of the same
R16, encrypted by the s...