TABLE OF CONTENTS | AC | alternating current |
| ACF | autocorrelation function |
| A/D | analogue-to-digital (converter) |
| AI | artificial intelligence |
| ARM | anti-radiation missile |
| ATC | air traffic control |
| CAT | clear-air turbulence |
| CCIR | International Radio Consultative Committee |
| CFAR | constant false-alarm rate |
| chirp | linear frequency sweep during a pulse |
| COMINT | communications intelligence |
| CW | continuous wave |
| DC | direct current |
| ECCM | electronic counter-countermeasures |
| ECM | electronic countermeasures |
| EJ | escort jammer |
| ELINT | electronic intelligence |
| EM | electromagnetic |
| ERP | effective radiated power |
| ERS-1 | European remote sensing satellite |
| ESM | electronic support measures |
| EW | electronic warfare |
| FFT | fast Fourier transform |
| FIR | finite impulse response |
| FM | frequency modulation |
| FMCW | frequency-modulated continuous wave |
| FMICW | frequency-modulated interrupted continuous wave |
| FOM | figure of merit |
| fruit | false replies unsynchronized in time |
| FT | Fourier transform |
| GHz | gigahertz |
| gw | groundwave |
| HF | high frequency |
| HOJ | home-on jammer |
| IC | integrated circuit |
| ICAO | International Civil Aviation Organization |
| IF | intermediate frequency |
| IFF | identify, friend or foe |
| ISAR | inverse synthetic aperture radar |
| kHz | kilohertz |
| lidar | light detection and ranging |
| LPI | low probability of intercept |
| LVA | large vertical aperture |
| MHz | megahertz |
| MST | mesosphere stratosphere troposphere |
| MTI | moving-target indicator |
| OTH | over-the-horizon |
| PDA | probabilistic data association |
| | probability density function |
| PPI | plan position indicator |
| PRF | pulse repetition frequency |
| radar | radio detection and ranging |
| RAM | radar-absorbing material |
| RCS | radar cross-section |
| RF | radio frequency |
| RMS | root mean square |
| RPV | remotely piloted vehicle |
| RWR | radar warning receiver |
| Rx | receiver |
| SAR | synthetic aperture radar |
| SCV | sub-clutter visibility |
| SNR | signal-to-noise ratio |
| SOJ | stand-off jammer |
| SSR | secondary surveillance radar |
| ST | stratosphere troposphere |
| sw | skywave |
| T R | transmit receive |
| Tx | transmitter |
| UHF | ultra high frequency |
| VHF | very high frequency |
| VLSI | very large-scale integration |
