3D Hilbert Spectrum Examples

Beating
\(x(t) = \Re\left\lbrace \exp\left(j\omega_a t\right)+\exp\left(j\omega_b t\right) \right\rbrace\)
or
\(x(t)= \Re\left\lbrace 2\cos\left[\left(\omega_b-\omega_a\right)t/2\right]\exp\left[j\left(\omega_b+\omega_a\right)t/2\right]\right\rbrace\)?

Beating Case A: Two SHCs or One AM Component? (use headphones or high quality speakers for audio)

Beating Case B: Two SHCs or One AM Component? (use headphones or high quality speakers for audio)