Title :
Frequency dependence of polarization phase difference and polarization index for vegetation covered fields using polarimetric AIRSAR data
Author :
Rao, K.S. ; Rao, Y.S. ; Gurusamy, R.
Author_Institution :
CSRE, Indian Inst. of Technol., Bombay, India
Abstract :
Polarization phase difference (PPD) and polarization index (PI) images were generated using P-, L- and C-bands polarimetric AIRSAR data collected over Mahantango watershed area in Central Pennsylvania during July 1990. Three corn fields were identified in the image for detailed analysis. The mean PPD for corn fields is found to be increasing with increasing wavelength. The vegetation index involving cross and like polarization is better than the vegetation index with only like polarizations
Keywords :
agriculture; geophysics computing; polarimetry; remote sensing; remote sensing by radar; synthetic aperture radar; C-band P-band L-band; Mahantango; PI AD 1990; PPD image classification geophysics computing; Pennsylvania; SAR; SHF UHF microwave; USA; United States; agriculture; corn; crops; frequency dependence; measurement technique; polarimetric AIRSAR; polarization; polarization index; polarization phase difference; remote sensing; synthetic aperture radar; vegetation covered field; vegetation mapping; Backscatter; Dielectric constant; Frequency dependence; Histograms; NASA; Passive microwave remote sensing; Polarization; Scattering; Soil; Vegetation mapping;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 1993. IGARSS '93. Better Understanding of Earth Environment., International
Conference_Location :
Tokyo
Print_ISBN :
0-7803-1240-6
DOI :
10.1109/IGARSS.1993.322471
