TABLE 4.2 Successes and Limitations of the Unilateral Mitigation Methods Employed to Date by the Earth Exploration-Satellite Service

Type of Radio Frequency Interference (RFI)

Reference

RFI Details

Center Frequency (GHz)/Bandwidth (MHz)

Detector Type

Detector Time/Frequency Resolution

Pulsed

[1]

Out-of-band emissions from an ARSR system observed at close range

1.413/20

Kurtosis

36 ms/3 MHz

Pulsed

[2]

Out-of-band emissions from an ARSR system observed at close range

1.413/20

Pulse detection

10 ns/20 MHz

Pulsed

[3]

Unknown source of presumably out-of-band pulses

1.413/20

Analog pseudo-kurtosis

0.5 s/20 MHz

Pulsed

[5]

Airborne flight encountering many source types

1.413/20

Kurtosis

8 ms/20 MHz

Narrowband

[2]

Airborne test flight encountering many narrowband source types

5.5-7.7/100

Cross-frequency

26 ms/0.1 MHz

Wideband

[2]

[4]

Airborne test flight encountering many wideband source types

5.5-7.7/100

Cross-frequency

26 ms/0.1 MHz

Wideband

[5]

Airborne test flights encountering many wideband source types

6, 6.4, 6.9, 7.3/400

Cross-frequency

26 ms/400 MHz

Gaussian-like

 

None

None

None

None

[1] C.S. Ruf, S.M. Gross, and S. Misra, “RFI Detection and Mitigation for Microwave Radiometry with an Agile Digital Detector,” IEEE Transactions on Geoscience and Remote Sensing, 44(3): 694-706 (March 2006).

[2] B. Guner, J.T. Johnson, and N. Niamswaun, “Time and Frequency Blanking for Radio Frequency Interference Mitigation in Microwave Radiometry,” IEEE Transactions on Geoscience and Remote Sensing, 45: 3672-3679 (2007).

[3] Jeffrey Piepmeier, Priscilla Mohammed, and Joseph Knuble, “A Double Detector for RFI Mitigation in Microwave Radiometers,” IEEE Transactions on Geoscience and Remote Sensing, 46(2): 458-465 (2007).



The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement