Algorithms to estimate the instantaneous frequency of a respiratory time-varying sequence

• Dr. C. Alberto Taboada Crispi

• English

• Auto-regressive models
• Hilbert transform
• Instantaneous frequency estimation
• Respiratory signals
• Time-frequency distributions
• root MUSIC

In various occasions, algorithms to estimate instantaneous frequency from a cyclic (seasonal) sequence to detect slow changes are needed. That is the case of the estimation of the variations of the respiratory rate for diagnostic purposes. There are a few possible procedures to estimate such an instantaneous frequency, but they have not been thoroughly assessed in order to select the best for a respiration rate estimation from a volumetric surrogate signal. This paper discusses the implementatio...