Inspec keywords: time-frequency analysis; diseases; medical diagnostic computing; cardiology; patient diagnosis; medical signal processing; statistical analysis

Other keywords: signal model; mean deviation; pulmonary valve; second heart sound; variable splitting; split; time-frequency distribution; fixed splitting; statistical quantities; diagnosis; splitting patterns; medical community; aortic valve; patients; standard deviation; cardiac cycles; paediatric heart disease

Subjects: Biomedical measurement and imaging; Patient diagnostic methods and instrumentation; Digital signal processing; Other topics in statistics; Biology and medical computing; Probability theory, stochastic processes, and statistics; Data gathering, processing, and recording, data displays including digital techniques; Other topics in statistics; Signal processing and conditioning equipment and techniques; Signal processing and detection