FR4.T05.4.ppt

OIL SLICKS DETECTION USING GNSS-R E. Valencia, A. Camps, H. Park , N. Rodríguez-Alvarez, X. Bosch-Lluis and I. Ramos-Perez Remote Sensing Lab, Dept. Teoria del Senyal i Comunicacions, Universitat Politècnica de Catalunya and IEEC-CRAE/UPC Tel. +34 93 405 46 64, E-08034 Barcelona, Spain. E-mail: valencia@tsc.upc.edu

[object Object],[object Object],[object Object],[object Object],[object Object],0. Outline

1. Introduction (1/3) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

1. Introduction (3/3) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2. GNSS-R imaging of the ocean surface (1/4)

[object Object],[object Object],[object Object],[object Object],2. GNSS-R imaging of the ocean surface (2/4)

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2. GNSS-R imaging of the ocean surface (3/4)

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],2. GNSS-R imaging of the ocean surface (4/4)

Corresponding σ 0 distribution of an ocean surface with an homogeneous 12 m/s wind speed and oil slick presence 3. Oil Slicks modelling ,[object Object],[object Object],[object Object]

4. Simulation results (1/4) ,[object Object],[object Object],Iso-range and iso-Doppler lines Antenna pattern projection on the observed surface Specular point: ( x,y ) = (0,0) Receiver height 700 km Receiver velocity (Vty) 5000 m/s Transmitter velocity (Vty) 3000 m/s Elevation angle 90º (nadir reflection) Observation surface x direction [0 60] km Observation surface y direction [-60 60] km Maximum considered delay (Δτ) 10 chips (C/A code) Maximum considered Doppler shift (ΔfD) [-2500 2500] Hz Coherent/incoherent integration times 10 ms / 1 s

[object Object],[object Object],4. Simulation results (2/4)

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],4. Simulation results (3/4)

σ 0 retrieved in the xy domain Error map w.r.t. the input distribution ,[object Object],[object Object],[object Object],[object Object],4. Simulation results (4/4)

5. Conclusions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

FR4.T05.4.ppt

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FR4.T05.4.ppt