During the installation and initial phases of operation however, ... Peeking/poking individual registers within a device. WIDAR Board S/W Requirements (cont. ...
... instrument Currently focused ... calibration procedure for WIDAR Prototype on line helpdesk Bandpass stability tests with WIDAR System temperature calibration ...
Sensitivity as a function of frequency: Colored lines are derived via ... the end WIDAR will provide 64 completely independent subband pairs (independent ...
Want to get EVLA science capabilities into the hands of the general ... Full access to current EVLA/WIDAR capabilities by outside users will be quid pro quo ...
Software system to make access to instrument and data easy for astronomers ... A - WIDAR0 testing support ... Convert from BDF & SDM to Measurement Set (sdmtoms) ...
Browser-based application for maintaining catalogs of hardware configurations. ... The term 'OPT' is sometimes used to refer to the specific application that ...
Only direct correlator outputs are ASDM:Main and Binary Data (visibilities) Rest of correlator information (e.g., correlator setup) is passed via Control and the ATDM ...
Milestones, Near Term. mid-June 2004 First Fringes on Ant 13 at L band (done) ... Milestones, Mid-term, Revision. Q1 2005 Control of new VLA Correlator Controller by ...
The Alert Subsystem. Bryan Butler & Rich Moeser. EVLA M&C, Deployment ... A module subsystem screen the ACU Screen. Screenshot of the Device Browser. Bill Sahr ...
a lens or a mirror collects the light & brings it to a focus. a spectrograph separates the different frequencies. 3 ... In an interferometer, the correlator ...
FRINGE GENERATOR. Fringe Tracking and Phase Switching in Transition ... 48 bit Phase Accumulator. 48 bit Frequency Accumulator. 48 bit Delta Frequency Register. ...
SAGE Science Advisory Group for EVLA K. Y. Lo SAGE Purpose/History Science Advisory Group for the EVLA formed by the Director to advise the NRAO on optimizing the ...
Rich Moeser. Hichem Ben Frej. Kevin Ryan. Chunai Cai. Bruce Rowen. John Benson. Boyd Waters. Stephan Witz. Honglin Ye. Tom Morgan. E2e Technical Lead ...
8 digitizers at 3 bit resolution in wideband mode. ... Much digital hardware with fast edges makes RFI a crucial problem. DTS MODULE ... 1.7 Mb memory. FORMATTER ...
Title: The Expanded Very Large Array Author: AOCPub Last modified by: tromero Created Date: 8/20/2001 2:45:28 PM Document presentation format: On-screen Show
Antenna table, which for each Station Board specifies the antenna which is source of input data. ... Sending 'end' command at the end of test (defined by duration) ...
Requirements for the testing of the board prototypes. Concept of the observation ... Some subsystems, such as MCCC, CPCC, Backend, Log Server, should be always ...
The EVLA Archive is the E2E Archive. Will include data from : VLA ... Assorted cgi C programs. 14 June 2004. EVLA Software Review. John Benson 6. EVLA Archive ...
Boxcar averaging by 4, 16, 64, 128, 256,... Within 1% of theoretical through box=64 ... Boxcar averaging: 2, 4, 8, 16, ... channels. Noise goes down by sqrt(2) ...
Scientific requirements for SSS subsystems refined in 2005 ... 'delta' test: bug fixes and 'easy' new requirements. Apr 18: NRAO-wide test (14, incl. ...
The name was changed to emphasize that it's 'meta' data that's being captured ... MCAF fetching data. What data will MCAF need to collect on its own? ...
The EVLA will be particularly susceptible to unwanted RFI: Very high ... Greyscale is. black at SPFD = -140 dBW/m2/Hz. White coresponds to 170 dBW/m2/Hz ...
The EVLA software system needs to conform to the NRAO-wide design to the extent ... 'domains' - different (large) pieces of the system that can be grouped sensibly. ...
Juan Uson, Bill Cotton, Rob Reid, Brian Mason, Scott Ransom. Gareth Hunt. Darrell Schiebel ... Joe Brandt, Amy Shelton (25%) Eric Sessoms. Libby Miller ...
EVLA Project Book, Chapter 2, contains the EVLA Project system performance requirements. ... We have determined good values for all bands except L, X, and Ku, ...
Enhanced data delivery and science support desired for all astronomers, but ... Robust maintenance of aging infrastructure (buildings, antennas, railroad) is required ...
Many advances in the performance of synthesis radio telescopes have come from ... Avoids disturbing system pre-correlation by e.g. nulling. Important for e.g. ...
red and dead' Eg. Zheng, Noeske, Damen... Massive galaxies form most of their stars at high z ... Dawn of Downsizing: SFR/M* vs. M* 5x. tH-1 (z=1.8) z=0.3. 1. ...
Sub-AU imaging at Taurus. Thermal outflows: ubiquitous & essential part of star formation ... Good imaging characteristics. Site locations near existing fiber, ...
National Radio Astronomy Observatory. June 13/14, 2005 EVLA Phase II Proposal Review ... and expected increases, and in fact we may increase at a faster ...
... submission, and handling of ... submitted manually or chosen dynamically (think of Barry Clark for the VLA) ... Led by Sanjay Bhatnagar, Steve Myers ...
identify the primary correlator modes needed for early science, and. identify the modes which will cover all the ... CRAM example: Resource Concatenation ...
NSF Mid-Project Review. System / Antenna Status. Jim Jackson, Hardware Systems ... Motherboard to integrate design. M301 Converter Interface In final testing ...
SAGE is requested to recommend strategies for commensal observations. ... Noted that the issue of commensal observations is a complex one, and encouraged ...