Examination of a simple pulse-blanking technique for radio frequency interference mitigation

  1. Noppasin Niamsuwan1,
  2. Joel T. Johnson1,
  3. Steven W. Ellingson2

Article first published online: 8 JUN 2005

DOI: 10.1029/2004RS003155

Issue

Radio Science

Radio Science

Additional Information

How to Cite

Niamsuwan, N., J. T. Johnson, and S. W. Ellingson (2005), Examination of a simple pulse-blanking technique for radio frequency interference mitigation, Radio Sci., 40, RS5S03, doi:10.1029/2004RS003155.

Author Information

  1. 1

    ElectroScience Laboratory, Department of Electrical and Computer Engineering, Ohio State University, Columbus, Ohio, USA

  2. 2

    Department of Electrical and Computer Engineering, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, USA

Publication History

  1. Issue published online: 8 JUN 2005
  2. Article first published online: 8 JUN 2005
  3. Manuscript Accepted: 12 JAN 2005
  4. Manuscript Revised: 30 NOV 2004
  5. Manuscript Received: 18 AUG 2004

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Keywords:

  • radio frequency interference mitigation technique;
  • pulse blanking

[1] Radiometry at L band can be adversely impacted by radio frequency interference (RFI) due to the presence of numerous sources, especially pulsed RFI from radars operating below 1400 MHz. RFI mitigation is very important to deal with this problem. A simple strategy for reducing pulsed RFI, termed “asynchronous pulse blanking” (APB), has been implemented in a digital receiver developed at Ohio State University. This paper presents results from a simulation of the APB algorithm. Several aspects of algorithm use and performance are reported, including means for choosing the algorithm's parameters and the robustness of the method in a realistic RFI environment. Effects of the blanking process on the final output are also examined.

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