• Askne, J., G. Skoog, E. Wimberg, Test of a ground-based microwave radiometer for atmospheric temperature profiling with meteorological applications, Int. J. Remote Sens., 6, 12411256, 1985.
  • Battistelli, E., C. Capitani, A. Culebras, F. Del Frate, G. Schiavon, B. Arbesser-Rastburg, J. P. Baptista, A multifrequency mm-wave radiometer (MFR): Instrument description and retrieval algorithm, Microwave Radiometry and Remote Sensing of the EnvironmentD. Solimini, 529536, VSP Press, Utrecht, Netherlands, 1995.
  • Churnside, J. H., T. A. Stermitz, J. A. Schroeder, Temperature profiling with neural network inversion of microwave radiometer data, J. Atmos. Oceanic Technol., 11, 105109, 1994.
  • Del Frate, F., G. Schiavon, D. Solimini, E. R. Westwater, Use of natural orthogonal functions in radiometric remote sensing of atmospheric temperature, vapor and liquid profiles, Proceedings of the Progress in Electromagnetics Research Symposium [CD-ROM], 2A3/3-12A3/3-4Kluwer Academic Publishers, Dordrecht, Netherlands, 1994.
  • Han, Y., E. R. Westwater, Remote sensing of tropospheric water vapor and cloud liquid water by integrated ground-based sensors, J. Atmos. Oceanic Technol., 12, 10501059, 1995.
  • Hogg, D. C., M. T. Decker, F. O. Guiraud, K. B. Earnshaw, D. A. Merrit, K. P. Moran, W. B. Sweezy, R. G. Strauch, E. R. Westwater, C. G. Little, An automatic profiler of the temperature, wind and humidity in the troposphere, J. Clim. Appl. Meteorol., 22, 807831, 1983.
  • Liebe, H. J., G. A. Hufford, M. G. Cotton, Propagation modeling of moist air and suspended water/ice particles at frequencies below 1000 GHz, AGARD 52nd Specialists' Meeting of the Electromagnetic Wave Propagation Panel, 3-13-10AGARD, Loughton, Essex, 1993.
  • Obukhov, A. M., The statistically orthogonal expansion of empirical functions, Engl. Transl., Izv. Acad. Sci. USSR Geophys. Sci., 288291, 1960.
  • Rumelhart, D. E., G. E. Hinton, R. J. Williams, Learning internal representations by error propagation, Parallel Distributed ProcessingD. E. Rumelhart, J. L. McClelland, 318362, MIT Press, Cambridge, Mass., 1986.
  • Schiavon, G., D. Solimini, E. R. Westwater, Performance analysis of a multifrequency radiometer for predicting atmospheric propagation parameters, Radio Sci., 28, 6376, 1993.
  • Westwater, E. R., Ground-based determination of low altitude temperature profiles by microwaves, Mon. Weather Rev., 100, 1528, 1972.
  • Westwater, E. R., N. C. Grody, Combined surface- and satellite-based microwave temperature profile retrieval, J. Appl. Meteorol., 19, 14381444, 1980.
  • Westwater, E. R., W. Zhenhui, N. C. Grody, L. M. McMillin, Remote sensing of temperature profiles from a combination of observations from the satellite-based microwave sounding unit and the ground-based profiler, J. Atmos. Oceanic Technol., 2, 97109, 1985.
  • Zell, A., et al., SNNS Stuttgart Neural Network Simulator, User Manual, version 4.1Rep. 6/95Inst. for Parallel and Distrib. High Performance Syst., University of Stuttgart, Stuttgart, Germany, 1995.