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Radar signal processing to determine the biomass of barley ears in the field
Project
Project code: 0315530F
Contract period: 01.03.2010
- 31.12.2013
Budget: 356,816 Euro
Purpose of research: Basic research
A cm-wave radar system has been designed and built for the measurement of the radar backscattering from barley ears. The biomass will be derived from the measured and processed radar data. For this a new model for the interaction between radio waves and barley ears will be developed. The crop biomass values taken during radar measurements will finally be used to verify the reliability of the model.
SENSOR
The sensor used for the measurement campaign is an Ultra Wide Band Synthetic Aperture Radar (UWB SAR) System working in the microwave region in order to provide high resolution radar images. Fig 1 shows the bistatic radar mounted on a platform, automatically moving in the along-track direction.
In order to resolve the barley ear’s Radar reflection (disregarding stems and leaves) a spatial resolution of approx. 4 cm in both directions is required (along track and cross track) in the SAR images. For the radar wave to penetrate into the ears a frequency region corresponding to radar wavelength between 3 and 5cm has been chosen.
Section overview
Subjects
- Crop Production
Collaborative Project
Framework programme
Funding programme
Excutive institution
Fraunhofer Institute for High Frequency Physics and Radar Techniques (FHR)
