Francesco Borchi

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Ozone profiles from 10 to 26 km have been obtained at almost constant latitude (20±5S) in the tropics using SAOZ UV-vis spectrometers flown onboard long duration balloons in 2001 and 2003. The precision of the measurements is estimate to be better than 2% in the stratosphere (3.5% accuracy) and 5–6% in the troposphere (12% and 25% accuracy at 15 km and 10(More)
J.-P. Pommereau, A. Garnier, G. Held, A.-M. Gomes, F. Goutail, G. Durry, F. Borchi, A. Hauchecorne, N. Montoux, P. Cocquerez, G. Letrenne, F. Vial, A. Hertzog, B. Legras, I. Pisso, J. A. Pyle, N. R. P. Harris, R. L. Jones, A. Robinson, G. Hansford, L. Eden, T. Gardiner, N. Swann, B. Knudsen, N. Larsen, J. Nielsen, T. Christensen, F. Cairo, M. Pirre, V.(More)
Active noise control (ANC) techniques have been intensively studied and applied for the cancellation of stationary noise. More recently, adaptive solutions for the case of impulsive noise, i.e. stochastic processes for which statistical moments superior to the first are not defined, have been proposed in the literature. Nevertheless, such a model fits a(More)
Long series of ozone profiles from 6 to 28 km at the Southern Tropics have been obtained from solar occultation measurements at twilight using a SAOZ spectrometer borne by long duration balloons. Two flights have been performed from Bauru in Brazil both in the summer, in February and March 2001 and 2003, from where the balloons 5 are moving westward at(More)
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