On the Tipping-bucket rain measurement applied to microwave propagation (theory and actual results)

0176435 - UFA-U 20020253 RIV DE eng C - Konferenční příspěvek (zahraniční konf.)
Fišer, Ondřej
On the Tipping-bucket rain measurement applied to microwave propagation (theory and actual results).
Open Symposium on Propagation and Remote Sensing. GarmischPartenkirchen: URSI International Union of Radio Science, 2002, s. -.
[Open Symposium on Propagation and Remote Sensing. Garmisch-Partenkirchen (DE), 12.02.2002-15.02.2002]
Grant CEP: GA ČR GA205/96/1555; GA ČR GA102/01/0029
Výzkumný záměr: CEZ:AV0Z3042911
Klíčová slova: rain measurement * rain attenuation * radiowave propagation
Kód oboru RIV: DG - Vědy o atmosféře, meteorologie

The practical use of the Tipping-bucket rain gauges is shown and a method to derive the one minute rain rates is discussed concluding that the one minute sampling from the step by step (i.e. tip by tip) of the linearised rain amount record should be performed more times using shifts of a few seconds (15,30 and 45 second shifts in our example). The particular results should be averaged. The averaging is not necessary for higher exceedance probabilities (above 5*10-5 % in CZ). A measurement of one year rain rate distribution at 4 sites in CZ is shown as well as the mutual correlations. It is confirmed that the correlation decreases with increasing distance. It would be desired to agree the evaluation of 'one minute' rain intensity statistics with meteorologists to support the reasonable planning of radio communication systems.
Trvalý link: http://hdl.handle.net/11104/0073411