Ultrasonic Piezo Transducer Ring-Down Decay & Blind-Zone Echo Envelope Extractor

Deterministic Analytic signal Hilbert envelope |z(t)| = sqrt(x(t)^2 + H{x(t)}^2) + logarithmic decrement Q-factor & speed-of-sound c(T)=331.3*sqrt(1+T/273.15) engine (.csv, .wfm, .trc) built for Murata, Texas Instruments PGA460, TDK, MaxBotix — zero-upload ephemeral Wasm RAM execution.

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