Knowledge Base September 10, 2025

Analysis of Core Terminology in Radar, Communications, and Electronic Warfare: The Essential Guide from Beginner to Expert

This is a glossary of terms in the radar, communications, and electronic warfare industries, designed to help you systematically learn and quickly reference related professional knowledge. The content …

Analysis of Core Terminology in Radar, Communications, and Electronic Warfare: The Essential Guide from Beginner to Expert
Photo: Robert So

Radar, communications, and electronic warfare are key technological fields in modern science and engineering, involving a vast array of specialized terms and core concepts. To facilitate systematic learning and quick reference, we have compiled a glossary of industry terminology to help you efficiently master relevant professional knowledge.

Core Terminology of Radar, Communications, and Electronic Warfare
Chinese English
雷达 Radar
脉冲多普勒雷达 pulse-Doppler radar
搜索雷达 search radar
跟踪雷达 tracking radar
火控雷达 fire-control radar
气象雷达 weather radar
有源相控阵 AESA
无源相控阵 PESA
相控阵 phased array
平板天线 planar array
共形阵列 conformal array
收发模块 T/R module
移相器 phase shifter
真实时延 true time-delay
数字波束形成 digital beamforming
波束形成 beamforming
自适应波束形成 adaptive beamforming
最小方差无失真响应 MVDR
Capon波束形成 Capon beamformer
MUSIC算法 MUSIC
ESPRIT算法 ESPRIT
到达方向 DOA
俯仰角 AOA
单脉冲 monopulse
和通道 sum channel
差通道 difference channel
均匀线阵 ULA
均匀面阵 URA
均匀圆阵 UCA
单元间距 element spacing
半波长间距 half-wavelength spacing
互耦 mutual coupling
阵列因子 array factor
旁瓣电平 sidelobe level
旁瓣抑制 sidelobe suppression
栅瓣 grating lobe
斜视 beam squint
标定 calibration
相位标定 phase calibration
幅度标定 amplitude calibration
通道失配 channel imbalance
内标定 internal calibration
外标定 external calibration
标定环 calibration loop
脉冲体制 pulsed radar
连续波 CW
调频连续波 FMCW
线性调频 chirp
线性调频 LFM
非线性调频 NLFM
相位编码脉冲 phase-coded pulse
巴克码 Barker code
多相码(P1-P4) polyphase code (P1–P4)
Frank码 Frank code
M序列 M-sequence
戈雷码对 Golay pair
逐频体制 step-frequency radar
三角调制 triangular modulation
锯齿调制 sawtooth modulation
上扫频 up-chirp
下扫频 down-chirp
脉冲重复间隔 PRI
脉冲重复频率 PRF
脉宽 pulse width
占空比 duty cycle
时带宽积 time-bandwidth product
相参处理间隔 coherent processing interval (CPI)
相干积累 coherent integration
非相干积累 noncoherent integration
脉间调制 inter pulse modulation
脉内调制 intra-pulse modulation
交错PRI staggered PRI
抖动PRI jittered PRI
无模糊距离 unambiguous range
无模糊速度 unambiguous velocity
距离模糊 range ambiguity
多普勒模糊 Doppler ambiguity
匹配滤波器 matched filter
窗函数 window function
汉宁窗 Hann window
海明窗 Hamming window
布莱克曼窗 Blackman window
切比雪夫窗 Chebyshev window
泰勒窗 Taylor window
模糊函数 ambiguity function
方位向分辨率 cross-range resolution
速度分辨率 velocity resolution
距离分辨率 range resolution
压缩比 compression ratio
距离旁瓣 range sidelobe
距离FFT range FFT
多普勒FFT Doppler FFT
距多二维FFT 2D FFT (RD-FFT)
距离-速度图 range-velocity map
微多普勒 micro-Doppler
杂波 clutter
海杂波 sea clutter
地杂波 ground clutter
雨杂波 rain clutter
杂波图 clutter map
动目标显示 MTI
动目标检测 MTD
空时自适应处理 STAP
旁瓣对消 DPCA
地面动目标指示 GMTI
恒虚警 CFAR
均值恒虚警 CA-CFAR
最大值恒虚警 GO-CFAR
小值恒虚警 SO-CFAR
统计恒虚警 OS-CFAR
目标检测 target detection
目标跟踪 target tracking
多目标跟踪 multi-target tracking

If you have any terms to add or wish to explore detailed explanations of specific terms, feel free to leave a comment and interact with us! We will continue to update the terminology and refine the knowledge base, striving to provide you with more professional and practical industry knowledge tools. Stay tuned!

Further Reading

Further Reading

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