power density spectrum (PDS)

electromagnetic spectrum (EM spectrum, EMS)

personnel decontamination station (PDS)

position determining system (PDS)

post design services (PDS)

high-power illuminator radar / high power illuminating radar (HIPIR)

conflict spectrum

dynamic spectrum access (DSA)

spectrum supportability and risk assessment (SSRA)

spectrum-dependent systems (SDS)

spread spectrum communication

spread-spectrum receiver

noise spectrum

spectrum

spectrum of conflict

spectrum of threats

spectrum of warfare

target spectrum

broad-spectrum frequency jammer

2.4 Ghz spread spectrum

frequency hopping spread spectrum (FHSS)

electromagnetic radiation spectrum

electromagnetic spectrum management operation

electromagnetic spectrum operations (EMSO)

electromagnetic spectrum superiority

Joint Electromagnetic Spectrum Operations (JEMSO)

joint electromagnetic spectrum operations cell (JEMSOC)

Navy Electromagnetic Spectrum Center

spectrum notching

spread spectrum

spread spectrum technology

density of explosive

gas density