نتایج جستجو برای: telescope
تعداد نتایج: 21273 فیلتر نتایج به سال:
This paper describes the GLORIA system (GLObal Robotic telescope Intelligent Array), the first worldwide network of robotic telescopes, which covers four continents with seventeen telescopes, and can be extended. The network architecture has been designed taking into account the functionalities offered to the community, the number of telescopes, users that will be managed and network compatibil...
VERITAS is an atmospheric Cherenkov telescope array sited in Tucson, Ari-zona. The array is nearing completion and consists of four, 12 m diameter telescopes. The first telescope in the array has been operating since February 2005, while observations with the full array are expected to begin in January, 2007. We report here in some detail on the performance of the first VERITAS telescope, and b...
In this paper motion analysis on a winding stair-climbing is investigated using our proposed rotational arm type of robotic wheelchair. For now, the robotic wheelchair is operated in an open mode to climb winding stairs by a dynamic turning, therefore, the dynamics model is required to ensure a passenger’s safety. Equations of motion based on the skid-steering analysis are developed for the tra...
Scheduling of university and institutional telescopes is typically performed manually, and astronomers are used to interacting with a human to explain their requirements for resources and time. Las Cumbres Observatory Global Telescope (LCOGT) is deploying a worldwide network of robotic telescopes. At LCOGT manual scheduling is infeasible due to: 1) the number of resources and observations that ...
Detection, tracking, and pose estimation of surgical instruments are crucial tasks for computer assistance during minimally invasive robotic surgery. In the majority of cases, the first step is the automatic segmentation of surgical tools. Prior work has focused on binary segmentation, where the objective is to label every pixel in an image as tool or background. We improve upon previous work i...
Reglero. This work will never be produced without kindly help and assistance of professors Francisco Herrera and Antonio Gonzáles. And I am gratefull to Rocio Romero for providing me NSGA II description.
We report on the discovery of three new pulsars in the first blind survey of the north Galactic plane (45◦ < l < 135 ; |b| < 1) with the Giant Meterwave Radio telescope (GMRT) at an intermediate frequency of 610 MHz. The timing parameters, obtained in follow up observations with the Lovell Telescope at Jodrell Bank Observatory and the GMRT, are presented.
Context. Gamma-ray burst (GRB) emission is believed to originate in highly relativistic fireballs. Aims. Currently, only lower limits were securely set to the initial fireball Lorentz factor Γ0. We aim to provide a direct measure of Γ0. Methods. The early-time afterglow light curve carries information about Γ0, which determines the time of the afterglow peak. We have obtained early observations...
Multishell fullerenes could be produced in the circumstellar envelopes of rich carbon giants as proposed by Ugarte (1995) and could be carriers of diffuse interstellar bands. Here, we investigate a potential way to detect these molecules through the far infrared bands related to their vibrational spectra. Based on a surface continuum spherical description of the carbon shells, we have derived a...
The ANTARES underwater neutrino telescope, at a depth of 2475 m in the Mediterranean Sea, near Toulon, is taking data in its final configuration of 12 detection lines. Each line is equipped with 75 photomultipliers (PMT) housed in glass pressure spheres arranged in 25 triplets at depths between 100 and 450 m above the sea floor. The PMTs look down at 45 to have better sensitivity to the Cherenk...
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