Results 41 to 50 of about 547,647 (206)
IEEE Photonics JournalVehicular quantum communication terminals (VQCTs) are crucial for establishing global-scale quantum networks. High-precision line-of-sight (LOS) pointing is essential for fast and reliable acquisition in satellite-based quantum key distribution (QKD ...
Zihao Wang +8 more
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Aerospace, 2023 The low-frequency disturbances transmitted by flexible cables are difficult to be attenuated for a novel disturbance-free payload spacecraft, which decreases the payload’s pointing accuracy and stability.
Ting Jin +8 more
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Analytical Accuracy Evaluation Of Fixed-Point Systems
, 2007 Publication in the conference proceedings of EUSIPCO, Poznan, Poland ...
Rocher, Romuald +3 more
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Assessing Point Forecast Accuracy by Stochastic Error Distance [PDF]
SSRN Electronic Journal, 2014 We propose point forecast accuracy measures based directly on distance of the forecast-error c.d.f. from the unit step function at 0 ("stochastic error distance," or SED). We provide a precise characterization of the relationship between SED and standard predictive loss functions, showing that all such loss functions can be written as weighted SED's ...
Francis X. Diebold, Minchul Shin
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Use of the Sun to determine pointing of ST radar beams [PDF]
, 1986 Verification of the beam pointing direction for ST (stratosphere troposphere) radars is a technically difficult problem. Consequently it is not usually done. For measurement of horizontal wind, the lack of precise knowledge of the beam pointing direction
Riddle, A. C.
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Accuracy of point positioning using GPS.
Journal of the Japan society of photogrammetry and remote sensing, 1997 In recent year, we can easily measure three dimensional location at a certain point using a GPS (Global Positioning System) instrument. Generally we can use the some way for positioning, point positioning, DGPS (Differential GPS) and GPS surveyer. It is said that accuracy by point positioning is about 100 meters, DGPS is 3 meters and GPS surveyer is 1 ...
Ryutaro TATEISHI, You KUROSAWA
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Accuracy limit of rigid 3-point water models [PDF]
The Journal of Chemical Physics, 2016 Classical 3-point rigid water models are most widely used due to their computational efficiency. Recently, we introduced a new approach to constructing classical rigid water models [S. Izadi et al., J. Phys. Chem. Lett. 5, 3863 (2014)], which permits a virtually exhaustive search for globally optimal model parameters in the sub-space that is most ...
Saeed Izadi, Alexey V. Onufriev
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On Orbit Demonstration of Pointing Accuracy of Ground Antennas by a Flying GEO Satellite
Sakarya University Journal of Computer and Information Sciences, 2023 Geostationary Satellites (GEO) are being used commonly in communication market. The service providers uplink or downlink the signal by using their dedicated antennas (whether with or without tracking capability) to the GEO satellite.
Ümit Güler, Ümit Cezmi Yılmaz
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Radiative closure tests of collocated hyperspectral microwave and infrared radiometers [PDF]
Atmospheric Measurement TechniquesTemperature and water vapor profiles are essential to climate change studies and weather forecasting. Hyperspectral instruments are of great value for retrieving temperature and water vapor profiles, enabling accurate monitoring of their changes ...
L. Liu +6 more
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Exploring Nucleon Spin Structure in Longitudinally Polarized Collisions [PDF]
, 2002 We review how RHIC is expected to deepen our understanding of the spin structure of longitudinally polarized nucleons. After briefly outlining the current status of spin-dependent parton densities and pointing out open questions, we focus on theoretical ...
Stratmann, Marco
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