⌁Coherence window
C window—
ε min1 / 6
κ min1 / 36
κ max3 − 2√2
Deterministic register scan, forward mass-band tables, reverse catalogue recovery, and deviation audit.
κ = a_dev² + r_dev²
C = exp(−κ)
D = √(1 − C)
E_dir(λ) = 6 · IES · C / λ
E_echo(λ) = Δ_div · α · (1 + D) · M0^(E)
E_tot(λ) = E_dir(λ) + E_echo(λ)