Cardiorespiratory Dynamic Response to Mental Stress: A Multivariate Time-Frequency Analysis

Figure 2

Time-frequency spectra of signals 𝑥₁(𝑡), 𝑥₂(𝑡), and 𝑥(𝑡), see (7)-(8), of simulation study 2. Note that spectral components of 𝑥₁(𝑡) and 𝑥₂(𝑡) intersect in the TF domain.