Methodology for the analysis of the tranfer function of a meteorological radar

Performance of a radar receiver is an important, but sometime underrated aspect which affects reliable and phisically consistent measurements of precipitation obtained from a meteorological radar. This problem is generally related to the radar receiver calibration. This function is usually derived by using a microwave static generator as input of receiver. Some techniques have recently developed for the radar receiver calibration based on the properties of rain filled medium and multiparameter rain measurement. The adopted methodology consists of simple analyses performed on receiver response samples to random input signals. To this end, not only real meteorological returns, but also artificial uncorrelated Gaussian noise-signals, were used. The adopted methodology is shown by especially pointing out advantages obtainable from the use of syntetic noise-signals.