Showing papers in "Advances in Space Research in 2013"

TL;DR: In this article, the authors presented a method to derive local sea level variations using data from a single geodetic-quality Global Navigation Satellite System (GNSS) receiver using GPS (Global Positioning System) signals.

TL;DR: In this article, a concept of ionospheric storm morphology and physics formulated at the end of the 1990s is briefly summarized and the most interesting results obtained in the 2000s are described.

TL;DR: In this paper, a forum of discussions revisiting observational and theoretical papers to understand which mechanisms trigger the eruption is opened, and the authors conclude that all the above quoted mechanisms could bring the flux rope to an unstable state.

TL;DR: In this article, an assessment and identification of urban heat island (UHI) in the environment of one of the fastest urbanizing city of India, Delhi Metropolis, employing satellite image of ASTER and Landsat 7 ETM+ in the thermal infrared region 3-14μm.

TL;DR: In this article, the authors examined the effects of noise levels to lineament extraction using a fully automatic approach, consisting of a combination of edge-line detection algorithms and ancillary information from a digitized topographic map and image classification.

TL;DR: In this article, a model is presented which describes the galactic cosmic ray spectra of nuclei based on a single parameter and the values of this parameter for different solar modulation conditions are derived from measurements of the Advanced Composition Explorer (ACE) spacecraft and Oulu neutron monitor count rates.

TL;DR: In this paper, the heliocentric distance of coronal mass ejections (CMEs) at the starting time of associated metric type II bursts was determined using coronagraphic and EUV observations.

TL;DR: In order to test laser ranging possibilities to space debris objects, the Satellite Laser Ranging (SLR) Station Graz installed a frequency doubled Nd:YAG pulse laser with a 1 kHz repetition rate, a pulse width of 10ns, and a pulse energy of 25mJ at 532nm as discussed by the authors.

TL;DR: In this paper, the preliminary design of the new space gamma-ray telescope GAMMA-400 for the energy range 100 MeV-3 TeV is presented, which is optimized to address a broad range of science topics, such as search for signatures of dark matter, studies of galactic and extragalactic gamma-rays sources, Galactic and extrgalactic diffuse emission, gamma burst, as well as high-precision measurements of spectra of cosmic-ray electrons, positrons, and nuclei.

TL;DR: In this article, a list of purely thermal reactions involving electronically stable reactants to complement existing grain chemistry networks is provided, and the kinetic parameters of the reactions are given when available.

TL;DR: In this article, the estimation capacities of MLR and ANN are investigated to estimate monthly-average daily SR over Turkey The satellite data are used for 73 different locations over Turkey Land surface temperature, altitude, latitude, longitude and month are offered as the input variables for modeling ANN and MLR to get SR Estimations of SR are evaluated with the meteorological values by using the statistical bases.

TL;DR: Results show that in the Northern Hemisphere areas including Asia, Europe and North America, the three-dimensional positioning accuracy using the CIM for ionospheric delay corrections is improved, and the positioning accuracy in the Southern Hemisphere is degraded due apparently to the lack of monitoring stations there.

TL;DR: In this paper, chemical and electric propulsion systems were analysed with the main focus on removing multiple targets within one single mission, chosen from a previously defined priority list in order to enhance the mission efficiency.

TL;DR: In this paper, a fair agreement for GPS and GLONASS was found in the geocenter x-and y-coordinate series, which can be explained by first-order perturbation theory of celestial mechanics.

TL;DR: In this paper, the authors discuss the sensitivity and outlooks of detecting GWs from binary massive black holes in these frequency bands with an emphasis on ASTROD-GW, an optimization of AstrOD to focus on the goal of detection of GWs.

TL;DR: In this paper, the authors used spherical harmonic analysis (SH) to predict the ionospheric electron density peak height of the F2 region, hmF2, and the effective scale height at the hm F2, Hm, deduced from average profiles.

TL;DR: In this paper, the authors proposed a human mission to the lunar L2 (Lagrange) point that would be a proving ground for future exploration missions to deep space while also overseeing scientifically important investigations.

TL;DR: The numerical results show that the combined PPP method with GPS and GLONASS has not caused significant impacts on the final solutions, but it greatly improved Position Dilution of Precision (PDOP) and convergence speed and enhanced the reliability of the solution.

TL;DR: A fuzzy adaptive backstepping control approach is proposed to develop the station-keeping control system for the simplified horizontal motion and the stability of the closed-loop control system is proven via the Lyapunov theorem.

TL;DR: The presented PC-based method of computing collision probability requires no fundamental simplifying assumptions, and reduces the computation time compared to Monte Carlo, and improved accuracy when compared to simplified techniques.

TL;DR: In this paper, the issues of long-term calibration for various components of the satellite altimeter measurement system are reviewed, including radar altimetry, the effects of tropospheric water vapor, orbit determination, gravity field, tide gauges, and the terrestrial reference frame.

TL;DR: A numerical study on two challenging mixed-integer non-linear programming (MINLP) space applications and their optimization with MIDACO, a recently developed general purpose optimization software, shows that the applications can be solved to their best known solution in a reasonable time by the considered approach.

TL;DR: In this article, the authors proposed a solution based on combination of SWDs from several consecutive observation epochs to increase the rank score of GNSS ground tomography, which is a remote sensing technique able to capture distribution of water vapour partial pressure in the troposphere.

TL;DR: In this paper, the evolution of QPO frequencies during the rising and the declining phases of two X-ray outbursts was studied. But the authors only focused on the two most recent ones, one in August 2010 and the other in April 2011.

TL;DR: In this article, an inequality-constrained least square method was proposed by imposing non-negative inequality constraints in the areas where negative VTEC values may occur to reconstruct GIM models.

TL;DR: In this article, a new averaged formulation of high area-to-mass ratio (HAMR) object orbit evolution that accounts for solar radiation pressure, Earth oblateness, and lunisolar perturbations is explored.

TL;DR: In this paper, the authors applied the single-channel generalized method (SCGM) developed by Jimenez-Munoz and Sobrino (2003) for the estimation of water surface temperature from Landsat 7 ETM+ thermal bands.

TL;DR: In this article, the results and findings in the fields of lunar gravity, magnetic field, atmosphere, surface geomorphology and compositional variations, volcano, craters, internal structure, water and life science from new lunar exploration missions are presented and discussed.

TL;DR: In this paper, a simple analytical technique for calculating the ablation-driven transfer of linear momentum, emphasizing cases for which the recoil is not exclusively parallel to the incident beam, is presented.

TL;DR: In this article, the authors studied ionospheric total electron content (TEC) disturbances associated with tropical cyclones (TCs) in the North-West Pacific Ocean in September-November 2005.