The processing of hexagonally sampled signals with standard rectangular techniques: application to 2-d large aperture synthesis interferometric radiometers

IEEE Transactions on Geoscience and Remote Sensing

Volumn 35, Issue 1, 1997, Pages 183-190

  Camps, Adriano ^a   Barâ, Javier ^a   Sanahuja, Ignasi Corbella ^a   Torres, Francesc ^a  

^a UNIVERSITAT POLITÈCNICA DE CATALUNYA   (Spain)

Author keywords

Hexagonal fourier transform; Interferometry; Reciprocal basis; Visibilities

Indexed keywords

DIRECTIONAL PATTERNS (ANTENNA); FAST FOURIER TRANSFORMS; GEOMETRY; INTERFEROMETRY; MOISTURE; OCEANOGRAPHY; SALINITY MEASUREMENT; SIGNAL PROCESSING; SIGNAL TO NOISE RATIO; SOILS; TEMPERATURE; TEMPERATURE DISTRIBUTION;

BRIGHTNESS TEMPERATURE; HEXAGONAL SAMPLING GRID; INTERFEROMETRIC RADIOMETERS; VISIBILITY FUNCTION;

RADIOMETERS;

EID: 0030736054     PISSN: 01962892     EISSN: None     Source Type: Journal    
DOI: 10.1109/36.551946     Document Type: Article

References (12)

1. SMOS, "Conclusions and recommendations from SMOS" and "Summary reports of the working groups," Consultative Meeting on Soil Moisture and Ocean Salinity. Measurement Techniques and Radiometer Techniques. ESA WPP-87. ESTEC, Noordwijk, The Netherlands, 20-21 Apr. 1995. pp 6-11.
2. C. S. Ruf, C. T. Swift, A. B. Tanner, D. M. Le Vine, "Interferometric synthetic aperture microwave radiometry for the remote sensing of the earth," IEEE Trans. Geosci. Remote Sensing, vol 26, Sept. 1988.
3. M. Martin Neira, Y. Menard, J. M. Goutoule, and U. Kraft, "MIRAS, a two-dimensional aperture synthesis radiometer," in Proc. IGARSS 1994, pp 1323-1325.
4. A. R. Thompson, J. M. Moran, and G.W. Swenson, Interferometry and Synthesis in Radio Astronomy. New York: Wiley, 1986.
5. R. M. Mersereau, "The processing of hexagonally sampled twodimensional signals," Proc. IEEE, vol 67, June 1979.
6. D. E. Dudgeon and R. M. Mersereau, Multidimensional Digital Signal Processing. New York: Prentice-Hall, 1984.
7. J. Bara, A. Camps, I. Corbella, and F. Torres, "Bidimensional discrete formulation for aperture synthesis radiometers," CNN2 to Work Order No 10 to ESTEC Contract No 9777/92/NL/PB.
8. MATRA MARCONI SPACE, "MIRAS: Microwave Imaging Radiometer with Aperture Synthesis. Microwave Radiometry Critical Technical Development," ESA-ESTEC, Final Report., Jan. 1995. ESTEC Contract 9777/92/NL/PB.
9. E. Gündüzhan, A. Enis Cetin, and A. Murât Tekalp, "DCT coding of nonrectangularly sampled images," IEEE Signal Processing Lett., vol. 1, Sept. 1994.
10. R. Bernardini and R. Manduchi, "On the reduction of multidimensional DFT to separable DFT by Smith normal form theorem," European Trans. Telecommun. Related Technol., vol 5, pp. 377-380, May-June 1994.
11. A. Camps, J. Bara, I. Corbella, and F. Torres, "Visibility inversion algorithms over hexagonal sampling grids," Soil Moisture and Ocean Salinity Measurements and Radiometer Techniques Meeting, ESA-ESTEC. Noordwijk, The Netherlands, Apr. 20-21, 1995.
12. A. Camps, J. Bara, I. Corbella, and F. Torres, "Radiometrie sensitivity computation in aperture synthesis interferometric radiometry," to be published.