Science > Meetings > CASPER 2012

CASPER 2012 Presentation Videos

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Monday, August 13

Session 1, 8:30 AM – 1:00 PM, Jansky Auditorium

8:30 – 8:45 AM

Introduction to the Workshop
John Ford

8:45 – 9:15 AM

The CASPER Collaboration for Radio Astronomy Signal Processing State of the Union / Religion / Recruiting Session
Dan Werthimer

9:15 – 10:15 AM

Introduction to the CASPER Tools
Griffin Foster, Jack Hickish, Danny Price

10:35 – 11:35 AM

Python for CASPER
NRAO Green Bank Software Group

11:35 AM – 12:35 PM

Tutorial Introductions
Hong Chen, John Ford, Nie Jun


Tuesday, August 14

Session 2, 8:30 – 10:50 AM, John Ford, Chair

8:30 – 9:00 AM

DataDirect Networks—High Performance Storage Subsystems

9:00 – 9:30 AM

Hittite Corporation—High Performace ADCs

9:30 – 9:50 AM

The USRPA Flexible Mixed-Signal Platform for Scientific Instrumentation
John Malsbury

9:50 – 10:10 AM

Black Hole Science with CASPER the Event Horizon Telescope
Jonathan Weintroub, Rurik Primiani, Ken Young, Sheperd Doeleman, Dave MacMahon, Matt Dexter

10:10 – 10:30 AM

Solar Burst Spectra with a CASPER-Based Correlator
Dale Gary, Bin Chen, Tim Bastian, James LeMaire, Daniel Diveny, Michael Pasternack

10:30 – 10:50 AM

Science Update from the GMRT
Yashwant Gupta

Session 3, 11:10 AM – 1:00 PM, Dan Werthimer, Chair

Note: Presentations for this session were not recorded

11:10 – 11:30 AM

The C-Band All Sky Survey
Charles Copley, Mike Jones, Angela Taylor

11:30 – 11:50 AM

Searching for Galactic Center Pulsars with VEGAS
Andrew Siemion, GBTGC Pulsar Team

11:50 AM – 12:10 PM

Using CASPER Hardware in Surveys for Fast Transients and SETI
Laura Spitler

12:10 – 12:30 PM

Pulsar Applications of CASPER Hardware, From Single Dishes to SKA-I
Matthew Bailes

12:30 – 12:50 PM

Next Generation FPGA Design Flows
Wesley New


Wednesday, August 15

Session 4, 8:30 – 10:30 AM, Yashwant Gupta, Chair

8:30 – 8:50 AM

MeerKAT Status Update
Francois Kapp

8:50 – 9:10 AM

The LOFAR Station Correlator and Updates from CASPER at Oxford
Griffin Foster

9:10 – 9:30 AM

VEGAS: the VErsatile GBT Astronomical Spectrometer
Glenn Jones and the VEGAS Team

9:30 – 9:50 AM

From MeerKAT to SKA-1s Dish Array: A Digital Perspective
Jason Manley

9:50 – 10:10 AM

High Level Issues for the Implementation of Scienti c Applications in High Performance Heterogeneous Systems
Juan A. Lopez, Enrique Sedano Algarabel, Luis Esteban Hernandez, Sergio Hernandez Montero

10:10 – 10:30 AM

Scalable ROACH F-Engine for Correlators
Hong Chen, Terry Filiba, Zaki Ali, Dan Werthimer


Session 5, 10:50 AM – 1:00 PM, Jonathan Weintroub, Chair

10:50 – 11:10 AM

FPGA/GPU Hybrid Correlator Design and Implementation
David MacMahon

11:10 – 11:30 AM

An FPGA/GPU Correlator Prototype: Toward LEDA First Light
Jonathon Kocz, L. J. Greenhill, M. A. Clark, A. Jameson

11:30 – 11:50 AM

Design, Development and Testing of a GPU Based Backend for the GMRT
Harshavardan Reddy Suda - Presented by Yashwant Gupta

11:50 AM – 12:10 PM

Future Development Plans for the GMRT
Yashwant Gupta

12:10 – 12:30 PM

CASPER Technology Use in the ALMA Phasing Project
Rich Lacasse, Ray Escoffier, Joe Greenberg, Alejandro Saez

12:30 – 12:50 PM

The ROACH-1 DBE Implementation for VLBA: A success story
S. Durand, M. Revnell, M. Luce, K. Morris


Thursday, August 16

Session 6, 8:30 – 10:40 AM, Francois Kapp, Chair

8:30 – 9:05 AM

Xilinx Technology Update
Steve Trimberger

9:05 – 9:40 AM

Arista Networks Technology
Darrin Machay

9:40 – 10:00 AM

New Detection Techniques for Ultra-High Energy Cosmic Rays, an R&D Effort for Wide-field Microwave Transient Telescopes
Christopher Williams

10:00 – 10:20 AM

Real-time UWB 2-D Analog Fan Filters for Steerable Highly Selective Analog Aperture Arrays
Chamith Wijenayake, Arjuna Madanayake, Leonid Belostotski, Yongsheng Xu, Len Bruton

10:20 – 10:40 AM

Digital Architectures for RF Real-time UWB Aperture-Array Beam Forming Using 2-D IIR Spatio-temporal Beam Filters
Soumya Kondapalli, Arjuna Madanayake, Len T. Bruton

Session 7, 11:00 AM – 1:00 PM, Jason Manley, Chair

11:00 – 11:20 AM

Three-Dimensional 3-D Wave-Digital Filter Beamformer Architectures for RF Dense Aperture Array Applications
Nilanka Rajapaksha, Arjuna Madanayake, Len T. Bruton

11:20 – 11:40 AM

Implementing Simulation Models for Multi-and Many-core Processors
Bogdan Vacaliuc, Barry K. Daniel, Jeremy S. Meredith, James N. Sumner, Jason A. Ellenburg

11:40 AM– 12:00 PM

Optimizing and Profiling the Processor-FPGA Interface Under Linux
Shanly Rajan

12:00 – 12:20 PM

Mapping of Heterogeneous Instruments for Radio Astronomy
Terry Filiba, Dan Werthimer

12:20 – 12:40 PM

Derivation of Low-Level ADC and Correlator Development Specifications From Telescope Level Specifications
Paul Herselman

12:40 – 1:00 PM

A System Engineering Plan for ROACHx
Warnich Rust

1:00-1:20 PM

Effective Testing in the CASPER Toolflow
Paul Prozesky


Science Talk, Posters, and refreshments, 7:00 PM at the Science Center

Astronomical Commissioning of the UBB at the Effelsberg 100m
Ramesh Karuppusamy
Focal Plane Array for the Effelsberg 100m Radio Telescope
Pablo Torne Torres, M. Kramer, R. Keller
Characterizing the Performance of a 5Gsps ADC for the SMA Digital Back End
Nimesh Patel, Robert W. Wilson, Rurik Primiani, Jonathan Weintroub
A New Digital Back-End for the Submillimeter Array
Rurik A. Primiani, Jonathan Weintroub, Bob Wilson, Ken Young, Nimesh Patel
ROACH Radar Backend
Luis Quintero
CYBORG: A ROACH-based Spectrometer for Education
G. Langston
One Summer, Three Spectrometers
Kristin Barclay
A Lab Spectrometer for Receiver Testing
Andrew Duncan
An RFI-tight Valon Synthesizer Enclosure for VEGAS
J.D. Nelson, Jason Ray
A Switching Signal Distribution System for VEGAS
Randy McCullough


Friday, August 17

Session 8, 8:30 – 10:40 AM, Lincoln Greenhill, Chair

8:30 – 8:50 AM

Design and Development of an ROACH 2 Based Digital FX Correlator for the EOVSA
Nimish Sane, Dale E. Gary, Gordon Hurford, Jim McTiernan, Gelu M. Nita

8:50 – 9:10 AM

Direct Imaging with BEST-2
Jack Hickish

9:10 – 9:30 AM

Digitizing AmiBA for CO Intensity Mapping
Homin Jiang, C.T. Li, Kim Guzzino

9:30 – 9:50 AM

Development of FPGA Based Wide-Band Digital Backends for the Upgraded GMRT
Kaushal Buch - Presented by Yashwant Gupta

9:50 – 10:10 AM

First Passive Radar Receiver Implementation with ROACH
Laura Vertatschitsch, John Sahr

10:10 – 10:30 AM

A Low Cost Disciplined Sampling Clock Using the WWVB 60KHz Broadcast
Bogdan Vacaliuc, James J. Nutaro, Daniel B. Koch, Benjamin E. Huey, Stephen Fulton Smith

10:30 – 10:50 AM

A New Flexible Backend for the Parkes 21cm Multibeam Receiver
Danny Price

Session 9, 11:00 AM– 12:30 PM, Glenn Jones, Chair

11:10 – 11:30 AM

MeerKAT Digitiser
Sias Malan

11:30 – 11:50 AM

MeerKAT Digitizer Phase and Gain Stability
Henno Kriel

11:50 AM – 12:10 PM

ASIAA 10 Gsps ADC Board Development
Kim Guzzino