Copyright © 2009 Associated Universities, Inc.
The National Radio Astronomy Observatory is a facility of the National
Science Foundation operated under cooperative agreement by Associated
Universities, Inc.
|
No. |
|
|
Title |
Author(s) |
Date |
| 161 | The Effects of Automated RFI Mitigation on Source Intensity | J. Helmboldt (NRL) | 05/08/2012 | ||
| 160 | More WIDAR spectral dynamic range tests | R.J. Sault | 05/02/2012 | ||
| 159 | Interferometric observations with self noise - An example | R.J. Sault | 05/02/2012 | ||
| 158 | Transporter Axle Failures | J. Thunborg, NRAO | 03/27/2012 | ||
| 157 | Further investigation of low-level correlator artifacts: Wobbles and splatter | R. J. Sault, NRAO | 03/25/2012 | ||
| 156 | Gain Distribution and Frequency Response of the T304 Input Stage | K. Morris, NRAO | 02/22/2012 | ||
| 155 | Dual-band Observation on the EVLA Utilizing the New Low-band Receiver and a Single Microwave Receiver | James Jackson and Charles Kutz, NRAO | 12/12/2011 | ||
| 154 | ps | Characterization of the EVLA 1-2 GHz Intermediate Frequency Passband | Keith Morris and Emmanuel Momjian (NRAO) | 10/12/2011 | |
| 153 | ACU/Servo Upgrade Study | J. Jackson (NRAO), G. W. Maglathlin (PFM Solutions) | 06/15/2011 | ||
| 152 | ps | Characterizing the Sensitivity of the EVLA at L-band | E. Momjian, R. Perley | 05/02/2011 | |
| 151 | ps | EVLA Antenna Polarization at L, S, C, and X Bands | R. Perley, B. Hayward | 04/28/2011 | |
| 150 | Photon Orbital Angular Momentum and Torque Metrics for Single Telescopes and Interferometers | Nicholas M. Elias II | 04/07/2011 | ||
| 149 | ps | The E-Configuration of EVLA: Constraints for Reconfigurating from A to E and from E to D configuration | L. Kogan | 01/06/2011 | |
| 148 | WIDAR anti-aliasing and spectral dynamic range test | R.J. Sault | 08/24/2010 | ||
| 147 | Gain Expansion Measurements of the UX Converter | T. Cotter | 10/26/2010 | ||
| 146 | ps | RFI Mitigation in AIPS. The New Task UVRFI | L. Kogan, F. Owen | 06/02/2010 | |
| 145 | On Determining Visibilities from Correlation Products | R. Perley | 05/14/2010 | ||
| 144 | EVLA Computer Use Plan | F. Owen, J. Robnett | 04/19/2010 | ||
| 143 | Improving the frequency resolution of the default atmospheric opacity model | J. Marvil | 04/06/2010 | ||
| 142 | Surveying Calibrators for the EVLA | B. Hesman | 02/18/2010 | ||
| 141 | ps | EVLA Antenna Polarization at L, S, and C Bands | R. Perley | 02/17/2010 | |
| 140 | Design, Prototyping and Measurement of EVLA Ku-Band Feed Horn | S. Srikanth | 11/04/2009 | ||
| 139 | .ps | Plan for Imaging Algorithm Research and Development | S. Bhatnagar | 11/04/2009 | |
| 138 | Ideas and Guidelines for Rapid-Response Observations with the EVLA | E. Berger, A. Soderberg, M. Rupen, D. Frail | 09/08/2009 | ||
| 137 | ps | Performance Tests of the EVLA K, Ka, and Q-Band Receivers | R. Perley, B. Hayward, B. Butler | 08/04/2009 | |
| 136 | ps | EVLA Measurements Close to the Sun: Elevated System Temperatures | C. A. Whitiing and S.R. Spangler (University of Iowa) | 07/28/2009 | |
| 135 | ps | Further EVLA Polarizer Stability Measurements | R.J. Sault and R.A. Perley | 06/25/2009 | |
| 134 | pdf |
ps | EVLA Polarizer Stability at C and K Bands | R.A. Perley and R.J.Sault | 06/03/2009 |
| 133 | Parallelization of the off-line data processing operations using CASA | S. Bhatnagar, H. Ye, and D. Schiebel | 05/18/2009 | ||
| 132 | Report on the findings of the CASA Terabyte Initiative: Single-node tests | S. Bhatnagar | 05/18/2009 | ||
| 131 | ps | Measurements of C-Band EVLA Antenna Polarization | R. Perley | 05/18/2009 | |
| 130 | The Effects of Fraction Truncation in Direct Digital Synthesis | M. Luce, K. Morris | 11/05/2008 | ||
| 129 | Critical On-the_Sky Tests Using the WIDAR Prototype Correlator | Michael Rupen | 10/20/2008 | ||
| 128 | ps | Frequency-Variable Sensitivity of the EVLA at C-band | Emmanuel Momjian and Rick Perley | 09/04/2008 | |
| 127 | ps | On the Use of Correlation Coefficients for Determining Antenna Sensitivity | Rick Perley | 08/21/2008 | |
| 126 | ps | Accuracy Requirements for EVLA Meteorological Measurements | Bryan Butler and Rick Perley | 08/04/2008 | |
| 125 | ps | Performance Tests of the EVLA Ka-Band Receiver | Rick Perley, Bob Hayward, Brigette Hesman | 07/21/2008 | |
| 124 | ps | Wide-band Sensitivity of K- and Q-bands for the EVLA and VLA | Brigette Hesman, Rick Perley | 05/14/2008 | |
| 123 | ps | The Effect of the 4-Band Dipoles on L, C, and X Band Performance | Rick Perley | 05/09/2008 | |
| 122 | ps | EVLA Requirements for Postprocessing Algorithms and Computing | Frazer Owen | 01/07/2008 | |
| 121 | EVLA L-, K-, and Q-Band Focus Analysis: Version 1 | Brigette Hesman, Rick Perley, Ken Sowinski | 02/11/2008 | ||
| 120 | ps | Some Thoughts on System Temperature Measurements for the EVLA | Rick Perley, Ken Sowinski | 01/14/2008 | |
| 119 | ps | Wide-Band Sensitivity and Frequency Coverage of the EVLA and VLA L-Band Receivers | Rick Perley, Bob Hayward | 01/17/2008 | |
| 118 | Ionospheric Effects and Imaging and Calibration of VLA Data | W. D. Cotton | 09/2007 | ||
| 117 | Ionospheric Effects and Calibration of the VLA at 327 MHz | W. D. Cotton, Juan M. Uson | 09/2007 | ||
| 116 | Automatic CLEAN windowing | W. D. Cotton | 09/2007 | ||
| 115 | Tools for Ionospheric Studies | W. D. Cotton | 09/2007 | ||
| 114 | Image Pixelization and Dynamic Range | W. D. Cotton, Juan M. Uson | 09/2007 | ||
| 113 | Beam Squint and Stokes V on the VLA | W. D. Cotton and Juan M. Uson | 09/2007 | ||
| 112 | Design, Prototyping and Measurement of EVLA S-Band Feed Horn | Sivasankaran Srikanth, Jim Ruff | 08/17/2007 | ||
| 111 | 2 - 4 GHz End-to-End Signal Path Tests | Keith Morris, James Jackson | 07/19/2007 | ||
| 110 | ps | The Effect of Amplifier Compression by Narrowband RFI on Radio Interferometer Imaging | Rick Perley, Bob Hayward | 04/25/2007 | |
| 109 | ps | Wideband Performance of the EVLA L-Band System | Rick Perley, Bob Hayward | 02/14/2007 | |
| 108 | LO/IF Phase Dependence on Antenna Elevation | Keith Morris, Jim Jackson, Vivek Dhawan | 06/18/2007 | ||
| 107 | Failure Pathology of EVLA WIDAR Correlator Support Systems | Bob Broilo, Brent Carlson | 10/18/2006 | ||
| 106 | ps | RFI Emission Limits For Equipment at the VLA Site | Rick Perley, Bill Brundage, Dan Mertely | 09/08/2006 | |
| 105 | Phase Coherence of the EVLA Radio Telescope | Steven Durand, James Jackson, Keith Morris | 10/30/2006 | ||
| 104 | ps | RFI Emission Goals on Internally-Coupled Signals | Rick Perley | 08/25/2006 | |
| 103 | ps | Performance Tests of the EVLA K- and Q-Band Systems | Rick Perley, Bob Hayward, Bryan Butler, Vivek Dhawan | 03/01/2006 | |
| 102 | ps | Monte
Carlo
Methods for Bayesian Image Reconstruction and Analysis in Radio Astronomy |
Urvashi R. V., NM Tech & NRAO; T. J. Cornwell, ATNF | 02/2006 | |
| 101 | ps | Multi Frequency Synthesis
Imaging for the
EVLA : An initial investigation |
Urvashi R.V., NRAO & New
Mexico Tech; T.J.Cornwell, ATNF; S.T.Myers, NRAO |
04/12/2006 | |
| 100 | ps | Correction of Errors due to Antenna Power Patterns during Imaging | S. Bhatnagar, K. Golap, NRAO; T. J. Cornwell, ATNF | 02/23/2006 | |
| 99 | ps | RFI from VoIP phones | Vivek Dhawan and Dan Mertely | 01/23/2006 | |
| 98 | ps | The EVLA 8-Bit Digitizer Performance | Michael Revnell | 11/07/2005 | |
| 97 | ps | The EVLA Transition Filter | Michael Revnell | 11/07/2005 | |
| 96 | ps | Imaging at Wide Field of View for a Plane Array | Leonid Kogan | 09/20/2005 | |
| 95 | Design, Prototyping and Measurement of EVLA C-Band Feed Horn | S. Srikanth
and
J. Ruff, NRAO A. J. Fenn, RF Array Systems Group, MIT/Lincoln Laboratory |
08/09/2005 | ||
| 94 | L/S/C Converter Plate Phase Stability Test II | Michael R. Johnson | 05/12/2005 | ||
| 93 | ps | Optimization of the LWA Antenna Station Configuration Minimizing Side Lobes | Leonid Kogan and Aaron Cohen | 05/04/2005 | |
| 92 | L/S/C Converter Plate Phase Stability Test | Michael R. Johnson | 04/20/2005 | ||
| 91 | ps | EVLA Phase III: A Major Step Toward the High Frequency SKA | C. L. Carilli | 04/21/2005 | |
| 90 | ps | Performance Tests of the EVLA C-Band Feed | Rick Perley and Bob Hayward | 02/16/2005 | |
| 89 | The EVLA Outdoor Antenna Test Range
Project Fourth Quarter 2004, Progress Report |
T. Jensen | 02/08/2005 | ||
| 88 | Quantization Noise | A. R. Thompson and D. T. Emerson | 01/21/2005 | ||
| 87 | Design, Prototyping and Measurement of EVLA L-Band Feed Horn | Sivasankaran Srikanth, Jim Ruff and Ed Szpindor | 03/22/2005 [Revised] |
||
| 86 | RFI excision in synthesis imaging without a reference signal | T. J. Cornwell, R. A. Perley, K. Golap and S. Bhatnagar | 12/08/2004 | ||
| 85 | ps | Testing the EVLA L-Band Feed | Rick Perley, Bob Hayward and Dan Mertely | 11/16/2004 | |
| 84 | ps | Solving for the Antenna Based Pointing Errors | S. Bhatnagar, T. J. Cornwell and K. Golap | 10/18/2004 | |
| 83 | ps | Quantization Loss for a Sloped Passband | Brent Carlson, Rick Perley | 08/30/2004 | |
| 82 | ps | Headroom Requirements for the EVLA | Rick Perley | 08/30/2004 | |
| 81 | Azimuth Cable Wraps and E-Array Layout | Jim Ruff | 07/13/2004 | ||
| 80 | A Gain Slope Correction Scheme for the EVLA Receiver System | R. Hayward, M. Morgan and K. Saini | 07/13/2004 | ||
| 79 | ps | The Effect of Strong CW Signals on Interferometer Calibration, Closure, and Imaging | Rick Perley and Bob Hayward | 07/29/2004 | |
| 78 | EVLA Chamber Characterization Confirms PCB RFI Emissions Levels and Module Shielding Goals | Robert Ridgeway | 06/10/2004 | ||
| 77 | EVLA and SKA Computing Costs
for Wide Field
Imaging (Revision)1 |
Tim Cornwell | 06/2004 | ||
| 76 | EVLA and SKA Computing Costs
for Wide Field
Imaging Superseded by EVLA Memo 77 |
Tim Cornwell | 05/2004 | ||
| 75 | Approximate formulas for the distance term in far and near field interferometry | Tim Cornwell | 04/2004 | ||
| 74 | ps | A Proposal to Design and Implement a Compact Water Vapour Radiometer for the EVLA | C. J. Chandler, W. F. Brisken, B. J. Butler, R. H. Hayward, M. Morgan and B. E. Willoughby | 07/08/2004 | |
| 73 | ps | Results of Water Vapour Radiometry Tests at the VLA | C. J. Chandler, W. F. Brisken, B. J. Butler, R. H. Hayward, and B. E. Willoughby | 08/09/2004 | |
| 72 | EVLA Hardware Modifications in Support of Solar Observing | T. S. Bastian and P. Lilie | 02/2004 | ||
| 71 | ps | Mathematic basis of an array
configuration optimization minimizing side lobes |
L. Kogan | 02/19/04 | |
| 70 | ps | Desiderata for Solar Observing with the EVLA | Rick Perley, Tim Bastian | 01/29/04 | |
| 69 | Focal Plane Array Beam-forming and Spill-over Cancellation using Vivaldi Antennas | Walter Brisken, Christophe Craeye | 01/29/04 | ||
| 68 | Noise Contribution of 90° Hybrids Before Low Noise Amplifiers | Paul Lilie | 01/2004 | ||
| 67 | W Projection: A New Algorithm for Non-Coplanar Baselines | T. J. Cornwell, K. Golap, S. Bhatnagar |
12/16/03 | ||
| 66 | ps | The Effect of Electronics Non-Linearity on Closure and Imaging | Rick Perley | 09/26/03 | |
| 65 | ps | Comparison of the Brightness Sensitivities of the EVLA Compact E-Configuration and ATA (q8a_2w) | L. Kogan, R. Perley | 09/25/03 | |
| 64 | ps | Wide-Field Imaging with the
EVLA: WIDAR Correlator Modes and Output Data Rates |
Rick Perley | 02/23/04 | |
| 63 | ps | Scaling Relations for Interferometric Post-Processing | Rick Perley, Barry Clark | 09/16/03 | |
| 62 | Full Primary Beam Stokes I, Q, U, V Imaging | T. J. Cornwell | 07/25/03 | ||
| 61 | ps | Removing RFI Through Astronomical Image Processing | Rick Perley, Tim Cornwell | 07/21/03 | |
| 60 | The Circular Polarization Characteristics of the New VLA K-Band Receiver System | Robert Hayward, Edward Szpindor, Darrell Hicks | 06/18/03 | ||
| 59 | Highly Shielded Boxes for the EVLA Project | Robert W. Ridgeway | 06/04/03 | ||
| 58 | ps | Using Grasp8 To Study The VLA Beam | Walter Brisken | 05/09/03 | |
| 57 | A Time Standard for Radio
Astronomy The New Mexico Array |
Jennifer Coleman, Quinn
Harris, George Henckel, Adam Moritz, Aaron Prager New Mexico Tech , EE 482 - Senior Design Group 5 |
04/30/03 | ||
| 56 | ps | Mosaic Mode Imaging Simulations with the EVLA E and D Configurations | L. Kogan, F. Owen | 03/26/03 | |
| 55 | ps | EVLA Transition Operations [NRAO-ONLY] | James S. Ulvestad | 03/21/03 | |
| 54 | pdf
|
ps
ps |
VLA Site Spectrum Survey:
1-18 GHZ Results Appendix |
Dan Mertely, Robert Ridgeway, Chris Patscheck, Eric Reynolds, Kerry Shores, Nathan Thomas, Rydelle Tapia | 01/22/03 |
| 53 | ps.gz | A Vivaldi Focal Plan Array for EVLA | Walter Brisken | 03/06/03 | |
| 52 | ps | Operations Plan for the
Expanded Very Large
Array [NRAO-ONLY] |
Peggy Perley | 03/06/03 | |
| 51 | ps | The Proposed New
Mexico Array Configuration [NRAO-ONLY] |
Craig Walker and Frazer Owen | 02/21/03 | |
| 50 | ps | VLBA/EVLA Integration in the
EVLA Phase 2
Proposal [NRAO-ONLY] |
Craig Walker | 12/20/02 | |
| 49 | ps | Attenuation of Radio Frequency Interference by Interferometric Fringe Rotation | Rick Perley | 11/15/02 | |
| 48 | ps | New Mexico Array plus Kitt Peak and Fort Davis | Craig Walker | 11/11/02 | |
| 47 | ps | Estimated Shielding for the EVLA Ethernet Switches | Ylva Pihlström | 10/28/02 | |
| 46 | ps | RFI Emission Goals for EVLA Electronics | Rick Perley | 10/15/02 | |
| 45 | Antenna Positioning System Specifications | Bob Broilo | 08/19/02 | ||
| 44 | Operational Performance of the EVLA LO Round Trip Phase System [NRAO-ONLY] | Steven Durand and Terry Cotter |
07/30/02 | ||
| 43 | Operational Performance of the EVLA Digital Transmission System [NRAO-ONLY] | James Jackson and Steven Durand |
07/30/02 | ||
| 42 | New Card Cage Design for EVLA Front End Systems | R. Hayward | 07/17/02 | ||
| 41 | Lightning Protection for Fiber Optic Cable | Tom Baldwin | 06/05/02 | ||
| 40 | Fiber Optic Cable Acceptance Tests | Tom Baldwin | 06/07/02 | ||
| 39 | Application Note Using the Serial Peripheral Interface (SPI) for EVLA | Wayne Koski | 04/25/02 | ||
| 38 | Design of a Motion Controller for VLA Antenna Azimuth & Elevation (hard copy only) | Nathaniel Dale and Jack Landes | 05/11/00 | ||
| 37 | |
The New "UX-to-X Band Converter" (hard copy only) | Paul Harden | 03/29/02 | |
| 36 | ps | A Satellite LO System | B. G. Clark | 03/25/02 | |
| 35 | ps | A New Mexico Array Configuration | Craig Walker | 03/14/02 | |
| 34 | EVLA Monitor & Control System | George Peck | 03/12/02 | ||
| 33 | Digital Transmission System Signaling Protocol | Steven Durand | 11/14/01 | ||
| 32 | IF Fiber Selection Criteria | Tom Baldwin and Steven Durand | 11/14/01 | ||
| 31 | Refined EVLA WIDAR Correlator Architecture | Brent Carlson | 10/02/01 | ||
| 30 | ps | An EVLA Compact Configuration with Optimized Side Lobes | L. Kogan | 8/15/01 | |
| 29 | ps | Toward a Cost Equation for a Multielement Station | B. G. Clark | 5/01 | |
| 28 | Operator Interface Concepts for Array and Correlator On-line Monitor and Control | Brent Carlson | 2/01 | ||
| 27 | Concepts for an "Observation Builder" for Array and Correlator Configurations | Brent Carlson | 2/01 | ||
| 26 | WIDAR Correlator Sensitivity Losses | Brent Carlson | 1/01 | ||
| 25 | Requirements for 8-bit Processing in the Proposed WIDAR Correlator for the EVLA | Brent Carlson | 1/01 | ||
| 24 | Computing for EVLA Calibration and Imaging | T.J. Cornwell | 1/01 | ||
| 23 | Summary of Discussions Held During the July 10-14, 2000 Workweek in Socorro Regarding the EVLA-WIDAR Correlator | Brent Carlson | 8/00 | ||
| 22 | ps | Can Remote Observing Be Good Observing? Reflections on Procrustes and Antaeus | Jay Lockman | 6/93 | |
| 21 | Maintainability of VLA Expansion Correlator | M. Revnell | 11/99 | ||
| 20 | ps | Configuration Studies for the Expanded Very Large Array | Aaron Cohen, Rick Perley | 12/04/00 | |
| 19 | Simulation Tests to Quantify the Spectral Dynamic Range and Narrowband Interference Robustness of the WIDAR Correlator for the EVLA | Brent Carlson, Peter Dewdney | 11/01/00 | ||
| 18 | Simulation Tests of Phasing Subsystem Signal Processing in the WIDAR Correlator for the EVLA | Brent Carlson | 11/07/00 | ||
| 17 | Simulation Tests of Sub-Sample Delay Tracking in the Proposed WIDAR Correlator for the EVLA | Brent Carlson | 10/03/00 | ||
| 16 | Two Correlators for the Price of One: How a VLBA Correlator Could Fit Within the Proposed 40-Station WIDAR EVLA Correlator | Brent Carlson | 09/28/00 | ||
| 15 | ps | Scientific Requirements for the EVLA Real-Time System | J. Benson, F. Owen | 07/06/00 | |
| 14 | A More Detailed Analysis of Recirculation Architecture, Algorithms, and Limitations in the Proposed WIDAR Correlator for the EVLA | Brent Carlson | 06/06/00 | ||
| 13 | A Closer Look at 2-Stage Digital Filtering in the Proposed WIDAR Correlator for the EVLA | Brent Carlson | 005/29/00 | ||
| 12 | An Analysis of the Effects of Phase Dithering in a Lag-based Fringe-Stopping XF Correlator | Brent Carlson | 05/26/00 | ||
| 11 | A Proposed WIDAR Correlator for the EVLA Project | Brent Carlson | 05/18/00 | ||
| 10 | ps | Predicted Optical Fiber Length Variations Due To Temperature Changes | Terry Cotter | 09/19/00 | |
| 9 | ps | Design Studies for the A+ Configuration | E. Keto | 02/18/98 | |
| 8 | ps | Astronomical Requirements for the New VLA Correlator | M.P. Rupen | 12/02/97 | |
| 7 | html | Investigating Antenna Locations for the VLA A+ Array | M.A. Holdaway, R. Perley | 10/06/96 | |
| 6 | ps | Exploring Various Options for a VLA E Array | M.A. Holdaway | 10/06/96 | |
| 5 | A Larger Subreflector for the VLA | P.J. Napier | 08/04/96 | ||
| 4 | The Case for Continuous Frequency Coverage Between 1 and 50 GHz for the VLA Upgrade | R. Perley | 02/04/96 | ||
| 3 | Comments on the VHF/UHF Expansion Project for the VLA Upgrade | R.F. Bradley | 25/07/95 | ||
| 2 | ps | The UHF/VHF Prime Focus Systems for the Future VLA Upgrade | R. Sramek | 21/07/95 | |
| 1 | ps | Organization and Goals of the Project | R. Perley, R. Sramek | 27/12/95 |
Copyright © 2009 Associated Universities, Inc.
The National Radio Astronomy Observatory is a facility of the National
Science Foundation operated under cooperative agreement by Associated
Universities, Inc.