Results 31 to 40 of about 20,006 (198)

Progress with implementing the new research data management system at HartRAO

open access: yesEPJ Web of Conferences, 2018
The Hartebeesthoek Radio Astronomy Observatory (HartRAO) participates in global radio astronomy and fundamental astronomy (space geodesy) research activities.
Coetzer Glenda   +2 more
doaj   +1 more source

РАЗВИТИЕ ТЕЛЕКОММУНИКАЦИЙ ПРАО АКЦ ФИАН

open access: yesOdessa Astronomical Publications, 2011
The new modern and reliable data storage system was acquired in 2010 in order to develop internal telecommunication resources of the Observatory. The system is designed for store large amounts of observation data obtained from the three radio-astronomy ...
Е. А. Исаев   +5 more
doaj   +1 more source

Polygon “Simeiz-Katsively” - fluctuations in the local deformations and insolation the Earth's surface [PDF]

open access: yesITM Web of Conferences, 2019
Discovered the effects of regular solar and geodynamic fluctuations in satellite data on the insolation falling on the earth's surface at the point of the Kara-Dag for the period 1983.5 in 2005.5 years.
Volvach Larisa   +3 more
doaj   +1 more source

TRACKING TYPE III RADIO BURST SOURCES IN THE SOLAR CORONA BY HELIOGRAPHIC MEANS

open access: yesOdessa Astronomical Publications, 2014
We present the preliminary results of heliographic measurements of solar  type  III  radio  bursts  in  the lowfrequency range (16.5-33 MHz) using  the UTR-2  radio heliograph.
A. A. Koval   +3 more
doaj   +1 more source

A Design Study of 100GHz Band Local Oscillator System by Using Yig Oscillator [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2003
In this paper, we make a design study for a local oscillator system of the 100 GHz band cosmic radio receiving system. We use the YIG oscillator with digital driver which is the main oscillator. This oscillator has a good frequency and phase stability at
Changhoon Lee   +6 more
doaj   +1 more source

Accelerating software radio astronomy FX correlation with GPU and FPGA co-processors [PDF]

open access: yes, 2010
Includes abstract.Includes bibliographical references (leaves [117]-121).This thesis attempts to accelerate compute intensive sections of a frequency domain radio astronomy correlator using dedicated co-processors.
Woods, Andrew
core  

Tools of radio astronomy [PDF]

open access: yes, 2013
This 6th edition of “Tools of Radio Astronomy”, the most used introductory text in radio astronomy, has been revised to reflect the current state of this important branch of astronomy.
Rohlfs, Kristen   +2 more
core   +1 more source

Determination of the CME core parameters by the spectral characteristics of the fine structure of the associated Type IV burst

open access: yesFrontiers in Astronomy and Space Sciences
The analysis of the Type IV burst and spikes observed on its background on 22 August 2015 in the meter–decameter wavelength range is presented. For the first time, spikes as a fine structure of the Type IV burst were used to determine the temperature (T)
Mykola Shevchuk   +5 more
doaj   +1 more source

A Design Study of the 400MHz Wide-Band Digital Autocorrelation Spectrometer [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2002
In this paper, we performed the design study of a wide-band digital autocorrelation spectrometer for the observation study of an extra-galaxy's spectral lines and the survey research of the special radio sources in field of the radio astronomy ...
C. H. Lee   +6 more
doaj   +1 more source

First Radio Astronomy Examination of the Low-Frequency Broadband Active Antenna Subarray

open access: yesAdvances in Astronomy, 2014
We present the 25-element active antenna array and its remote control in the framework of the GURT project, the Ukrainian Radio Telescope of a new age. To implement beamforming, the array is phased with the help of discrete cable delay lines in analog ...
A. A. Stanislavsky   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy