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Digital Receiver with Interference Suppression for Microwave Radiometry

Digital Receiver with Interference Suppression for Microwave Radiometry. PIs: Joel T. Johnson and Steven W. Ellingson, The Ohio State University. Traditional Radiometer.

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Digital Receiver with Interference Suppression for Microwave Radiometry

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  1. Digital Receiver with Interference Suppression for Microwave Radiometry PIs: Joel T. Johnson and Steven W. Ellingson, The Ohio State University Traditional Radiometer Future sea salinity and soil moisture remote sensing missions depend critically on L-Band microwave radiometry. RF interference is a major problem and limits useable bandwidth to 20 MHz. An interference suppressing radiometer could operate with a larger bandwidth to achieve improved sensitivity and more accurate moisture/salinity retrievals. New design A prototype radiometer will be designed, built, and used to demonstrate operation in the presence of interference. The design includes a processing component to suppress interference. Year 1: Complete design and begin construction Year 2: Finish construction and begin tests Year 3: Demonstrations and space system design Dr. Grant Hampson, OSU Results will apply to all future microwave radiometer missions. Future L-band soil moisture and salinity missions are primary focus.

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