IIP Project Document Server

Overview: This is a repository for documents and links pertaining to ESL's development of an interference-robust radiometer under NASA's Instrument Incubator Program (IIP). See http://www.ece.osu.edu/~johnson/cisr for a related project involving airborne studies at C-band.

Maintainer: J.T. Johnson
This page is http://esl.eng.ohio-state.edu/~rstheory/iip/docserv.html
Go to the ESL Home Page


Project proposal, reports, and review presentations

[1] J.T. Johnson and S.W. Ellingson, "A Digital Receiver with Interference Suppression for Microwave Radiometry" (IIP proposal).

[2] J.T. Johnson and S.W. Ellingson, Year 1 Interim Review Presentation (PDF), July 10, 2002.

[3] J.T. Johnson, S.W. Ellingson, and G.A. Hampson, Year 1 Annual Review Presentation (PDF), Oct 4, 2002.

[4] J.T. Johnson, S.W. Ellingson, G. A. Hampson, and N. Niltawach Year 2 Interim Review Presentation (PPT), April 29, 2003.

[5] J.T. Johnson, S.W. Ellingson, and G.A. Hampson, Year 2 Annual Review Presentation (PPT), Oct 28, 2003.

[6] J.T. Johnson, S.W. Ellingson, and G. A. Hampson Year 3 Interim Review Presentation (PPT), May 13, 2004.

[7] J.T. Johnson, N. Niamsuwan, B. Guner, and S.W. Ellingson, Year 3 Annual Review Presentation (PPT), April 19th, 2005.

[8] Final Project Quad Chart (PDF), May 10th, 2005.

[9] J.T. Johnson and S.W. Ellingson, Project final report (PDF), May 10th, 2005.


Journal Publications:

[1] S. W. Ellingson and G. A. Hampson, " Mitigation of radar interference in L-band radio astronomy " , Astrophysical Journal Supplement Series, vol. 147, pp. 167-176, 2003.

[2] N. Niamsuwan, J. T. Johnson, and S. W. Ellingson, " Examination of a simple pulse blanking technique for RFI mitigation " (PDF paper), to appear, Radio Science, Oct 2005.


Conference Publications:

[1] S.W. Ellingson, G.A. Hampson, and J.T. Johnson, "Characterization of L-Band RFI and Implications for Mitigation Techniques" (PDF paper) or presentation (PDF), IEEE IGARSS 03 (Toulouse), July 2003.

[2] S.W. Ellingson, G.A. Hampson, and J.T. Johnson, "Design of an L-Band Microwave Radiometer with Active Mitigation of Interference" (PDF paper) or presentation (PDF), IEEE IGARSS 03 (Toulouse), July 2003.

[3] G. A. Hampson, S. W. Ellingson, and J. T. Johnson, ``Design of an L-band microwave radiometer with active mitigation of interference,'' IEEE Antennas and Propagation/URSI Symposium (Columbus), conference proceedings, 2003.

[4] S. W. Ellingson, G. A. Hampson, and J. T. Johnson, `` Design of an L-band microwave radiometer with active mitigation of interference, '' (PDF paper) or conference presentation, (PPT) NASA Earth Science Technology Conference, 2003.

[5] G.A. Hampson, S. W. Ellingson, and J.T. Johnson, " Design and Demonstration of an Interference Suppressing Microwave Radiometer " (PDF paper), or conference presentation (PPT), IEEE Aerospace Conference 2004 (Big Sky, Montana), March 2004.

[6] J. T. Johnson, G. A. Hampson, and S. W. Ellingson," Design and demonstration of an interference suppressing microwave radiometer " (PDF paper), or conference presentation (PPT), IGARSS 04 (Anchorage), 2004.

[7] N. Niamsuwan, J. T. Johnson, and S. W. Ellingson, ," Examination of a simple pulse blanking technique for RFI mitigation " (PDF paper), or conference presentation (PDF), Workshop in Mitigation of Radio Frequency Interference in Radio Astronomy, conference proceedings, 2004.

[8] N. Niamsuwan and J. T. Johnson, ," Sky observations at L-band using an interference suppressing radiometer " (PDF paper) IGARSS 05, (Seoul), 2005.

[9] J. T. Johnson, ," Digital receiver for interference suppression in microwave radiometry " (PPT presentation) NASA Earth-Sun System Technology Conference, 2005.


L-Band Interference Surveyor Analyzer (LISA)

See interim/annual reviews and journal/conference articles for additional information

[1] S.W. Ellingson, "Agilent Spectrum Analyzer Computer Control Demo", June 6, 2002. Consists of: SA_DEMO.c (See comments for explaination of demo) and auxilliary LabWindows/CVI files (not really needed to understand techniques being demonstrated) SA_DEMO.prj, SA_DEMO.uir, and SA_DEMO.h.

[2] S.W. Ellingson, Mounting Instruments on NASA's P-3 Aircraft (PDF), June 29, 2002.

[3] S.W. Ellingson, LISA System Design (PDF), Sep 15, 2002.

[4] S.W. Ellingson and J.T. Johnson, An Installer's Guide to LISA (PDF), Sep 12, 2002; Revised Sep 19, 2002. Includes the form General Experiment Information and Request Worksheet required by NASA WFF.

[5] S.W. Ellingson, Initial LISA Measurements from the ESL Roof (PDF), Sep 15, 2002.

[6] S.W. Ellingson, LISA: L-Band Interference Surveyor/Analyzer (PDF, 574K), Jan 13, 2003. Slide describing LISA and results of initial (1/3/02) test flight.

[7] S.W. Ellingson and J.T. Johnson, Airborne RFI Measurements over the Mid-Atlantic Coast using LISA (PDF), Feb 10, 2003.

[8] J. T. Johnson and S. W. Ellingson, Airborne RFI measurements using LISA during transit to and in the Wakasa Bay Campaign (PDF), July 3rd, 2003.


L-Band Interference Suppressing Radiometer (LISR) Experiment Planning and Thermal Control

See interim/annual reviews and journal/conference articles for additional information

[1] J.T. Johnson, "Brightness Temperature of a Flat Water Surface" (PDF), February 26, 2002. Also, MATLAB script watertemp.m.

[2] J.T. Johnson, "Initial External Experiment Plan for IIP Radiometer" (PDF), March 15, 2002. Also, MATLAB script expsetup.m.

[3] J.T. Johnson, Continued External Experiment Plan for IIP Radiometer (PDF), April 10, 2002.

[4] S.W. Ellingson, Front End Version 1 Design: Block diagram (GIF), Spreadsheet describing parts/cost, GNI, and tuning analyses (PDF). February 22, 2002. (Superceded by [5].)

[5] S.W. Ellingson, Front End Version 2 Design: Block diagram (GIF), Spreadsheet describing parts/cost, GNI, and tuning analyses (PDF). Sep 25, 2002. (Supercedes [4].)

[6] N. Niltawach and J.T. Johnson, "Reflector Antenna, its Mount and Microwave Absorbers for IIP Radiometer Experiments", May 8, 2003.

[7] J. Johnson and G. Hampson, "Initial Plan for a Precision Temperature Sensor" (PDF), Sep 10, 2002.

[8] N. Niltawach, J.T. Johnson, and G.A. Hampson, "Implementation of a Temperature Monitoring Circuit", May 6, 2003

[9] N. Niltawach and J.T. Johnson, "Tech and TEC Controller for Temperature Stabilized Plate", May 15, 2003

[10] N. Niltawach and J.T. Johnson, "Low Power TEC and its Controller", May 18, 2003

[11] S.W. Ellingson, A Simple Technique for Measuring Noise Figure (PDF), Sep 26, 2002.


Local RFI Surveys and RFI Estimation

See interim/annual reviews and journal/conference articles for additional information

[1] S.W. Ellingson, "Estimating RFI Levels Due to Air Surveillance Radar", January 25, 2002; Revised February 14, 2002.

[2] S.W. Ellingson, Preliminary RFI Survey for IIP (PDF), June 11, 2002.

[3] S.W. Ellingson, IIP RFI Survey: Version 2 (PDF, 8MB), July 16, 2002.

[4] S.W. Ellingson, "A Survey of 1200-1800 MHz Using a Discone and a Spiral with the Argus Front End" (PDF), October 12, 2002.

[5] J. T. Johnson, "A Few Useful Results from Probability Theory for RFI Detection Studies" (PDF), July 22, 2005.

[6] B. Guner and J. T. Johnson, "Comparison of the Shapiro-Wilk and Kurtosis Tests for the Detection of Pulsed Sinusoidal Radio Frequency Interference" (PDF), May 15, 2007.


Documentation of LISR observations

See interim/annual reviews and journal/conference articles for additional information

[1] S.W. Ellingson and G.A. Hampson, On Air Test of the IIP Receiver Using Observations of an ATC Radar (PDF), June 29, 2002.

[2] G.A. Hampson and S.W. Ellingson, Demonstration of the ESL-IIP Radiometer's Asynchronous Pulse Blanker: Mitigation of an Air Traffic Control Radar (PDF), July 26, 2002. Postscript version available here.

[3] S. Ellingson and G. Hampson, "RFI and Asynchronous Pulse Blanking at Arecibo" (PDF), Nov 9, 2002; revised Nov 12, 2002.

[4] J. T. Johnson, B. Guner, and N. Niamsuwan, "Observations of an ARSR System in Canton, MI with the L-band Interference Suppressing Radiometer" (PDF), Dec 3, 2005.

[5] B. Guner, J. T. Johnson, M. Demir, and N. Niamsuwan, "L-band Interference Supressing Radiometer (LISR) Ground-based Observations with JPL's Passive/Active L/S Band Sensor" (PDF), Dec 21, 2006.


Backend Design Documentation

See interim/annual reviews and journal/conference articles for additional information

[1] S.W. Ellingson, "A Design Concept for the IIP Radiometer", January 11, 2002. (Addresses the downconverter and digital IF sections.)

[2] S.W. Ellingson, "Design Concept for the IIP Radiometer RFI Processor", January 23, 2002.

[3] S.W. Ellingson, "Design of the IIP Radiometer Digital IF Section (Rev. 1)", Feb 11, 2002; Revised May 6, 2002.

[4] S.W. Ellingson, Functional Design of the Asynchronous Pulse Blanker (Rev. 1) (PDF), March 20, 2002; Revised May 1, 2002.

[5] S.W. Ellingson, "A Survey of A/Ds Which Sample Greater than 100 MSPS with Power Consumption Less Than 1W", January 15, 2002.

[6] G.A. Hampson, "AD9054 Prototype Evaluation" (PDF), March 5, 2002.

[7] G.A. Hampson, AD9410 Prototype Evaluation (PDF), May 13, 2002.

[8] G.A. Hampson, "Development of a 200 MHz Clock Generation Module" (PDF), March 6, 2002.

[9] G.A. Hampson, A 256K @ 32-bit Capture Card for the IIP Radiometer (PDF), May 10, 2002.

[10] G.A. Hampson, "An FPGA Implementation of the Digital IF Processor" (PDF), March 7, 2002.

[11] G.A. Hampson, Implementation Results of the Digital IF Processor (PDF), May 15, 2002.

[12] G.A. Hampson, Implementation of the Asynchronous Pulse Blanker (PDF), June 26, 2002.

[13] G.A. Hampson, "A Possible 100 MSPS Altera FPGA FFT Processor" (PDF), March 12, 2002.

[14] G.A. Hampson, Implementation of a Single FFT Processor (PDF), July 3, 2002.

[15] G.A. Hampson, Implementation Results of a Windowed FFT (PDF), July 12, 2002.

[16] G.A. Hampson, A Post-FFT Power Estimator Implementation (PDF), April 17, 2002.

[17] G.A. Hampson, A Post-FFT Spectral Integration Processor: Implementation and Measurement Results (PDF), Sep 20, 2002.

[18] G.A. Hampson, A Possible Dual Digital IF Processor Implementation (PDF), Oct 1, 2002.

[19] B. Box, A Report on the use of FPGA's in Space (DOC), Aug 6, 2004.


Related Documents & Links

[1] C-band Interference Suppressing Radiometer

[2] B-Mount Installation Instructions

[3] Non-Penetrating Roof Mount Manual

[4] Tellurex Peletier Cooler FAQ

[5] Model 5C7-362 Thermoelectric Module Temperature Controller

[6] HY5650 TEC controller manual

[7] PSR Multiband Polarimetric Images: Wakasa Bay Experiment 2003.

[8] AMSR Rainfall Validation: Wakasa Bay Field Experiment.

[9] Aquarius L-band satellite mission.

[10] Hydros L-band satellite mission.

[11] NASA ETSC Conference web site (links to multiple years)

[12] S.W. Ellingson, "Capabilities and Limitations of Adaptive Canceling for Microwave Radiometry", IEEE 2002 Intn'l Geoscience and Remote Sensing Symposium (IGARSS 2002), Toronto, June 2002.

[13] Polarimetric Scanning Radiometer (PSR) web site

[14] S.W. Ellingson, J. Bunton, and J.F. Bell, "Removal of the GLONASS C/A Signal from OH Spectral Line Observations Using a Parametric Modelling Technique", Astrophysical Journal Supplement, Vol. 135, No. 1, pp. 87-93 (July 2001). [Submitted Oct 2000]

[15] M.E. Weber, "FAA Surveillance Radar Data as a Complement to the WSR-88D Network", (source?). Gives some characteristics of L-band radars.

[16] "NASA/JPL A/D Converter Selection Guide". See also "JPL Parts web site". Information on space qualified ADC's.

[17] S. Agarwal, "Analog to digital converter evaluation for space applications". Information on space qualified ADC's.

[18] "Military-Aerospace Programmable Logic Devices Conference 2005". See also "NASA office of Logic Design". Information on space qualified FPGAs.