# Table of Equations

Chapter 9: Non- Kinetic: Military Avionics, EW, CW, DE, SCADA Defenses

Equation 9-1 U = -k(dT / dx)

Equation 9-2 dT /dt = – V dT/ dx

Equation 9-3 S = σ T4

Equation 9-4 Risk = (Threats x Vulnerabilities x Impact / Countermeasures)

Equation 9-5 Risk ~ function (Threats / Countermeasures)

Equation 9-6 J / S = ERPJ  –  ERPS  –  LJ  +  LS  +  G RJ  –  G R

Equation 9-7 J / S = ERPJ  –  ERPS  –  LJ  +  LS

Equation 9-8 P j  =  P t   x   K  x  (H t / H j )2  x (D j / D t )N

Equation 9-9 S / N = (P GTArσ ) / [(4π)2 R4 KTS LS ]

Chapter 10:When the Other Side Fights Back – Cyberwarfare, Direct Energy Weapons, Acoustics, Integrating  C-UAS into Planning

Equation 10-1 c = L x f; L = c /f = c x T; f=c /L

Equation 10-2 SPL = SPLref + 20 log (A / Aref )

Equation 10-3 SPL = SPLref  –  20 log (d / dref )

Equation 10-4 PL = 10 log P / Po

Equation 10-5 IL = 10 log I / Io

Equation 10-6 SPL = 10 log p2 / po2

Equation 10-7 SPL = 20 log p / po.

Equation 10-8 Fo = 1 / 2L x √T /M 