Results 31 to 40 of about 20,006 (198)
Progress with implementing the new research data management system at HartRAO
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
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]
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
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]
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]
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]
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
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]
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
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

