74 citations · 148 across the 9 of their papers we have counts for
9 papers · 1 filter
Commissioning of FLAG: A phased array feed for the GBT
K. M. Rajwade, N. M. Pingel, R. A. Black +14
Phased Array Feed (PAF) technology is the next major advancement in radio astronomy in terms of combining high sensitivity and large field of view. The Focal L-band Array for the G…
The Breakthrough Listen Search for Intelligent Life: A Wideband Data Recorder System for the Robert C. Byrd Green Bank Telescope
David H. E. MacMahon, Danny C. Price, Matthew Lebofsky +18
The Breakthrough Listen Initiative is undertaking a comprehensive search for radio and optical signatures from extraterrestrial civilizations. An integral component of the project…
A Decade of Developing Radio-Astronomy Instrumentation using CASPER Open-Source Technology
Jack Hickish, Zuhra Abdurashidova, Zaki Ali +33
The Collaboration for Astronomy Signal Processing and Electronics Research (CASPER) has been working for a decade to reduce the time and cost of designing, building and deploying n…
A GPU-Based Wide-Band Radio Spectrometer
Jayanth Chennamangalam, Simon Scott, Glenn Jones +9
The Graphics Processing Unit (GPU) has become an integral part of astronomical instrumentation, enabling high-performance online data reduction and accelerated online signal proces…
ALMA Nutator Design and Preliminary Performance
Pierre Martin-Cocher, John Ford, Patrick M. Koch +7
We report the past two years of collaboration between the different actors on the ALMA nutator. Building on previous developments, the nutator has seen changes in much of the desig…
RRI-GBT Multi-Band Receiver: Motivation, Design & Development
Yogesh Maan, Avinash A. Deshpande, Vinutha Chandrashekar +32
We report the design and development of a self-contained multi-band receiver (MBR) system, intended for use with a single large aperture to facilitate sensitive & high time-resolut…
Prototyping scalable digital signal processing systems for radio astronomy using dataflow models
Nimish Sane, John Ford, Andrew I. Harris +1
There is a growing trend toward using high-level tools for design and implementation of radio astronomy digital signal processing (DSP) systems. Such tools, for example, those from…
Advanced Multi-beam Spectrometer for the Green Bank Telescope
D. Anish Roshi, Marty Bloss, Patrick Brandt +24
A new spectrometer for the Green Bank Telescope (GBT) is being built jointly by the NRAO and the CASPER, University of California, Berkeley. The spectrometer uses 8 bit ADCs and wi…
Holographic Measurement and Improvement of the Green Bank Telescope Surface
Todd R. Hunter, Frederic R. Schwab, Steven D. White +11
We describe the successful design, implementation, and operation of a 12 GHz holography system installed on the Robert C. Byrd Green Bank Telescope (GBT). We have used a geostation…