ship systems 2 midterm

6 steps of the detect to engage sequence

detect, localize, classify, track, weapon select, neutralize

types of detection energies

sonar, heat, light, radio, x-ray

specular reflection

smooth surface reflection

diffuse reflection

rough surface reflection

3 reasons for signal loss

spreading, scattering, absorption

2 types of wave motion

transverse, longitudinal

6 sound propagation paths

direct, half channel, surface duct, sound channel, convergence zone, bottom bounce

passive sonar equation

SL - TL - NL + DI > DT

active sonar equation

SL - 2TL - TS + RL > DT

4 types of mines

moored, propelled, drifting, bottom

3 types of launcher systems

impulse, reaction, gravity

pulse transmission frequency

number of pulses per second

radio frequency

frequency of carrier wave

transmission radar equation

PRT = PW + RT

6 components of transmission radar

synchronizer, transmitter, power supply, display, receiver, antenna

3 components of electronic combat

support, attack, protection