Formulas: general philosophy for TWR testing

MIL-STD-810H, Environmental Engineering Considerations and Laboratory Tests

Last Updated 29 Oct 2026

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Formula 1

SESA post-test analysis quantitatively compares the deterministic test input reference time trace, $r(t)$ (or sampled sequence $r[n]$ for $n=1,2, \ldots, N$ ), symbolic " $r$ ," with the stochastic test output control time trace, $c(t)$ (or sampled sequence $c[n]$ for $n=1,2, \ldots, N$ ), symbolic " $c$ .

n=1,2, \ldots, N

Formula 2

$s(t)=c(t)-r(t)$ (or sampled sequence $s[n]=c[n]-r[n], n=1,2,3, \ldots, N$ ), symbolic "s.

s(t)=c(t)-r(t)

Formula 3

s[n]=c[n]-r[n], n=1,2,3, \ldots, N