www.radartutorial.eu www.radartutorial.eu Radar Basics

Commonly used abbrevations in Radar

AAI Air-to-Air Intercept; militärisches Abfangen in der Luft;
Air-to-Air Interrogator Secondary radar (on-board interrogator)

ADT Automatic Detection and Tracking

AESA Active Electronically Scanned Array

AEW Airborne Early Warning

AFC Automatic Frequency Control

AGC Automatic Gain Control

APAR Active Phase Array Radar

ASR Airport Surveillance Radar

ATC Air Traffic Control

ATZ Aerodrome Traffic Zone

BITE Buildt In Test Equipment

BSD Blind Spot Detection

BW Bandwidth;

CFAR Constant False Alarm Rate

CMOS Complementary Metal-Oxide Semiconductor

COHO Coherent Local Oscillator

CORDS Coherent On Receive - Doppler System

DBF Digital Beam Forming

DOA Direction of Arrival

DPDPS Dual Purpose Digital Processing System

DSP Digital Signal Processor

DTM Digital Terrain Model

DUT Device Under Test

DWG Digital Waveform Generator, circuit in which the waveform of transmission pulse is generated from a memory content.

ECC Error Correcting Code

ECCM Electronic Counter-Countermeasures

EIRP Effective Isotropic Radiated power

ELINT Electronic Intelligence

EMPAR European Multifunction Phased Array Radar

EMV Electromagnetic Vulnerability

EPM Electronic Protective Measures

ESA Electronically Steerable Array

ESM Electronic (Warfare) Support Measures

ETP Equivalent Transmitter Power

EW Electronic Warfare

FAR False Alarm Rate

FCC Fault Collection Unit

FCW Forward Collision Warning

FFT Fast Fourier Transform

FMCW Frequency Modulated Continuous Wave

FSK Frequency Shift Keying

GCA Ground-Controlled Approach

GPR Ground Penetrating Radar

GTC Gain Time Control

ICAO International Civil Aviation Organization

IF Intermediate Frequency

IFF Identification Friend or Foe military secondary radar, interrogator for weapon control.

ISL Integrated sidelobe level the ratio of power integrated over sidelobes to the total mainlobe power

LO Local Oscillator;;
Low Observability.

LPI Low Probability of Intercept

LRU Line-Replaceable Unit, auch Lowest Replaceable Unit

MFR Multi-Function Radar

MMIC Microwave Monolithic Integrated Circuit

MSSR Monopulse Secondary Surveillance Radar

MTD Moveable Target Detection

MTI Moving Target Indication

MTTR Multi Target Tracking Radar.

OTH Over-The-Horizon.

PA Power Amplifier

PAR Phased-Array-Radar

PAR Precision Approach Radar

PESA Passive Electronically Scanned Array

POD a streamlined compartment under the wings or fuselage of an aircraft

PRF Pulse Repetition Frequency

PRI Pulse Repetition Interval

PRN Pseudo-Random-Noise

PRT Pulse Repetition Time

PSL Peak sidelobe level the ratio of the energy in the largest time side lobe to the energy in the main impulse

RADAR Radio Detection and Ranging

RAM Random Access Memory;
Radar Absorbing Material;
Rolling Airframe Missile;
Reliability, Availability and Maintainability

RASS Radio acoustic sounding system Kombination aus Radar und Sonar, meist als Wetterradar verwendet;
Radar Analysis Support System Measurement tool for Radar systems.

RBW Resolution Bandwidth

RCS Radar Cross-Section

RDF Range and Direction Finding

RS Ramp Slope

RWR Radar Warning Receiver

RX Receive, Receiver

SAM Surface-to-Air Missile

SAR Synthetic Aperture Radar

SIF Selective Identification Feature more civil secondary radar, possibility to identify aircraft for air traffic control.

SNR Signal-to-Noise Ratio

SMR Surface Movement Radar

SPI Serial Peripheral Interface;
Special Purpose Identification

SSPA Solid-State Power-Amplifier

SSR Secondary Surveillance Radar

STALO Stable Local Oscillator

STAP Space-Time Adaptive Processing

STC Sensitivity Time Control

T/R Transmit/Receive

TBP Time-Bandwidth Product a special parameter for chirp-radars

TMA Terminal Manoeuvring Area

TRM Transmitter-Receiver Module

TWT Traveling Wave Tube

TX Transmit, Transmitter

ULA Uniform Linear Array

UWB Ultra Wideband

VCO Voltage Controlled Oscillator

WFG WaveForm Generator generates the transmitting signal on an IF- frequency.