... rainfall, this instrument presenting several advantages over the existing ones [ 4 ]. meteorology precipitation measure air sound signal analysis low-cost instrument Rainfall, one of the most important resources for all life and for the environment, is also the most difficult...

...LiMin Zhu; Han Ding; Xiang Yang Zhu A novel signal analysis technique capable of detecting periodic bursts of exponentially decaying oscillation from noisy discrete-time observations is presented. The time-frequency distribution of the signal is viewed as a series of time signals corresponding...