Results 1 to 10 of about 134,863 (195)

Initial Results Obtained with the First TWIN VLBI Radio Telescope at the Geodetic Observatory Wettzell [PDF]

open access: yesSensors, 2015
Geodetic Very Long Baseline Interferometry (VLBI) uses radio telescopes as sensor networks to determine Earth orientation parameters and baseline vectors between the telescopes.
Torben Schüler   +8 more
doaj   +2 more sources

Scientific preparation for JRT: Wind pressure prediction model for large radio telescope based on real data from multi-sensors [PDF]

open access: yesHeliyon
Jingdong 120-meter radio telescope (JRT) is poised to become the world's largest single-aperture fully steerable medium-low frequency radio telescope.
Rui Wu   +5 more
doaj   +2 more sources

Measurement Campaign of Radio Frequency Interference in a Portion of the C-Band (4–5.8 GHz) for the Sardinia Radio Telescope [PDF]

open access: yesSensors
Radio frequency interference (RFI) analysis is crucial for ensuring the proper functioning of a radio telescope and the quality of astronomical observations, as human-generated interference can compromise scientific data collection. The aim of this study
Luca Schirru, Francesco Gaudiomonte
doaj   +2 more sources

Experimental Verification of the Concept of Using LOFAR Radio-Telescopes as Receivers in Passive Radiolocation Systems

open access: yesSensors, 2021
The paper presents a new idea of using a low-frequency radio-telescope belonging to the LOFAR network as a receiver in a passive radar system. The structure of a LOFAR radio-telescope station is described in the context of applying this radio-telescope ...
Julia Kłos   +5 more
doaj   +1 more source

A Software for RFI Analysis of Radio Environment around Radio Telescope

open access: yesUniverse, 2023
Radio astronomy uses radio telescopes to detect very faint emissions from celestial objects. However, human-made radio frequency interference (RFI) is currently a common problem faced by most terrestrial radio telescopes, and it is getting worse with the
Yu Wang   +5 more
doaj   +1 more source

Dynamic Response and Optimal Design of Radio Telescope Structure under Wind Load Excitation

open access: yesBuildings, 2023
The dynamic response of a radio telescope structure under wind load excitation significantly impacts the accuracy of signal reception. To address this issue, this study established a parametric finite element model of a radio telescope to simulate its ...
Dawei Wang   +5 more
doaj   +1 more source

Trends in Architecture and Middleware of Radio Telescope Control System

open access: yesAdvances in Astronomy, 2021
The control system is the central control unit of the radio telescope. It is used to monitor, control, coordinate, and manage software and hardware systems so as to satisfy the requirements of high-precision control in astronomical observation of radio ...
Jun Li   +6 more
doaj   +1 more source

Cryogenic Systems for Astronomical Research in the Special Astrophysical Observatory of the Russian Academy of Sciences

open access: yesPhotonics, 2023
This article presents the main results and new plans for the development of receivers which are cooled cryogenically to deep cryogenic temperatures and used in optical and radio astronomy research at the Special Astrophysical Observatory of the Russian ...
Yurii Balega   +17 more
doaj   +1 more source

The Tian Ma 65-m Telescope Automatic Early Warning System

open access: yesFrontiers in Astronomy and Space Sciences, 2022
The Tian Ma Radio Telescope (TMRT), which is mainly used for deep space exploration and radio astronomy observations, is the largest fully steerable radio telescope in Asia. For promoting the automation of the telescope, an automatic early warning system
Shang-Guan Wei-Hua   +5 more
doaj   +1 more source

Dynamic modeling of the Stewart platform for the NanShan Radio Telescope

open access: yesAdvances in Mechanical Engineering, 2020
The NanShan Radio Telescope is a 26-m fully steerable radio telescope, and it adopts a 6-UPU Stewart platform with electric motors to adjust and align the position of the subreflector.
Guljaina Kazezkhan   +3 more
doaj   +1 more source

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