雷达专业术语

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1、电路分析基础1 A型显示器(距离显示器)A scope(range indicator)2 交流二极管充电 A.C. diode charging3 交流阻抗 A.C. impedance4 交流谐振充电 A.C. resonant charging5 A/R型显示器 A/R scope6 电枢控制 Aarmature control7 绝对误差 Absolute error8 吸收性复盖层 Absorbent overlay(coverage)9减震器 Absorber10 吸收式衰减器 Absorptive attenuator11交流控制系统 AC control system12 力口

2、速度信息 Acceleration information13 附件 Accessory14 捕捉目标试验 Acquisition object test15 截获概率试验 Acquisition probability test16 低仰角截获试验 Acquisition test at the lowest elevation17有源滤波器Active filter18 有源校正网络 Active corrective network19 有源干扰 Active jamming20 阵列单元的有效阻抗 Active-impedance of an array element21 执行元件

3、Actuator(driving) element22 自适应天线 Adaptive antenna23 自适应天线系统 Adaptive antenna system24 自适应能力 Adaptive capability25自适应检测器Adaptive detector26 自适应跳频 Adaptive frequency hopping27 自适应干扰机 Adaptive jammer28自适应动目标显示 Adaptive MTI29加法器 Adder30 导纳 Admittance31 气悬体干扰 Aerosol jamming32 通风车 Air blower carriage33空

4、气滤渍器Air filter34空中交通管制雷达 Air traffic control radar35 机载引导雷达 Airborne director radar36机载动目标显示 Airborne MTI37 机载雷达 Airborne radar38 机载测距雷达 Airborne range-finding radar39 机载警戒雷达 Airborne warning radar40 机载截击雷达 Airborne-intercept radar41 空心偏转线圈 Air-core deflection coil42 护尾雷达 Aircraft tail warning radar

5、(ATWR)43 飞机跟踪试验 Aircraft tracking test4445464748495051525354555657585960616263646566676869707172737475767778798081828384858687全空域录取 All-zone extraction换批 Alternate the batch number调幅干扰AM jamming调幅调相转换AM/PM conversion模糊函数 Ambiguity function模糊图 Ambiguity pattern衰减量 Amount of attenuation放大器Amplifier放大元

6、件 Amplifier element增幅管Amplitron幅度鉴别恒虚警技术 Amplitude discrimination CFAR technique幅裕度 Amplitude margin幅度噪声 Amplitude noise幅度方向图 Amplitude pattern振幅量化 Amplitude quantization分层 Amplitude quantizing比幅单脉冲雷达 Amplitude-comparison monopulse radar幅频特性 Amplitude-frequency characteristic幅频一致性 Amplitude-frequenc

7、y equalization调幅信号 Amplitude-modulated signal幅值-相位仪 Amplitude-phase meter模拟移相器 Analog phase shifter信号的模拟处理 Analog processing of signal模拟信号Analog signal模拟式扫描（连续式扫描）Analog sweep模-数变换 Analog-to-digital conversion模拟显示 Analogue display模拟测距 Analogue ranging频率分析法 Analysis method of frequency domain解析信号 Ana

8、lytic signal角度欺骗干扰 Angle deception jamming角度截获概率 Angle intercept probability角度噪声Angle noise跟踪角速度和角加速度 Angle tracking velocity and acceleration角闪烁误差 Angular glint error角增量正余弦函数运算器 Angular increment sine-cosine arithmetic unit天线 Antenna天线抗干扰技术 Antenna anti-jamming technique天线回零装置 Antenna back device天线

9、控制系统 Antenna control system孑L径型天线的天线效率 Antenna efficiency of an aperture-type antenna天线电轴 Antenna electrical boresight天线升降机构 Antenna elevating subsiding machine天线增益 Antenna gain88 天线裹冰厚度 Antenna icing depth89 天线锁定装置 Antenna locking device90 天线方向图 Antenna pattern91 天线波瓣自动记录仪 Antenna pattern automatic

10、 recorder92 天线座 Antenna pedestal93 天线指向 Antenna pointing94天线功率增益 Antenna power gain95 天线读数机构 Antenna reading device96 天线风洞试验 Antenna test in tunnel97 天线测试转台 Antenna test turning platform98 天线拖车 Antenna trailer99 抗有源干扰能力 Anti-active jamming capability100 抗轰炸能力 Anti-bomb capability101 抗海浪试验 Anti-clutt

11、er test against the sea102 防撞信息 Anticollision information103 防撞雷达 Anti-collision radar104 抗干扰试验 Anti-jamming test105 抗无源干扰能力 Anti-passive jamming capability106 反雷达伪装 Anti-radar camouflage107 反雷达复盖层 Anti-radar overlay(coverage)108 反辐射导弹 Anti-radiation missile109 抗饱和 Anti-saturation110 抗风能力 Anti-wind

12、capability111 口面阻挡损失 Aperture blockage loss112 口面照射效率 Aperture illumination efficiency113 区域杂波开关 Area clutter switch114 区域动 目标显示 Area moving-target indication115 阵列天线 Array antenna116 人工线(脉冲形成网络)Artificial line(pulse form network)117 人工空间电离干扰 Artificial space ionization jamming118 炮兵侦察校射雷达 Artillery

13、 target-search and gun-pointing adjustment radar119 随机仪表 Associated instrumentation120 天文雷达 Astronomical radar121 大气吸收损耗 Atmospheric absorption loss122 天电干扰 Atmospheric interference123 气压开关 Atmospheric pressure switch124 大气折射误差 Atmospheric refraction error125 衰减 Attenuation126 衰减常数 Attenuation const

14、ant127 衰减器 Attenuator128 姿态线 Attitude line129 自相关函数 Autocorrelaton function130 自相关器 Auto-correlator131 相控阵组件的自动检查装置 Automatic check device for array elements132 自动控制系统 Automatic control system133 自动检测 Automatic detection134 自动录取 Automatic extraction135 自动录取设备 Automatic Extractor136 自频调系统的捕捉带宽 Automa

15、tic frequency control system pull-in bandwidth137 自频调系统的跟踪带宽 Automatic frequency control system tracking bandwidth138 自动频率控制 Automatic frequency control(AFC)139 自动增益控制 Automatic gain control (AGC)140 自动增益控制 Automatic gain control (AGC)141 自动噪声电平调整 Automatic noise leveling (ANL)142 自动相位控制 Automatic p

16、hase control143 自动改批 Automatically change the batch number144 自动编批 Automatically order the batch number145 自主显示器 Autonomous indicator146 辅助偏转线圈 Auxiliary deflection coil147 辅助偏转板 Auxiliary deflection plates148 有效性 Availability149 平均功率 Average power150 轴向偏焦 Axial offset-focus151 轴比 Axial ratio152 轴系精

17、度 Axis train precision153 方位轴 Azimuth axis154 方位驱动装置 Azimuth drive device155 方位编码器 Azimuth encoder156 方位信息 Azimuth information157 方位大齿轮 Azimuth main drive gear158 方位分辨率 Azimuth resolution159 方位同步传动装置 Azimuth transmitting selsyn device160 B 型显示器(距离-方位显示器)B scope(range-azimuth indicator)161 背射天线 Backf

18、ire antenna162 回差 Backlash163 齿隙补偿回路 Backlash compensating circuit164 返波管 Backward wave tube165平衡式天线收发开关Balanced duplexer166 平衡混频器 Balanced mixer167 平衡型参量放大器 Balanced parametric amplifier168 平衡器 Balancer169 平衡电感 Balancing inductor170 滚珠螺旋传动 Ball helical gearing171 校正气球 Balloon for correction172 气球跟踪

19、试验 Balloon tracking test173 巴伦(平衡不平衡变换器)Balun(balanced-unbalanced transformer)174 频带扩展 Band spread175176177178179180181182183184185186187188189190191192193194195196197198199200201202203205206207208209210211212213214215216217218219选频放大器 Bandpass amplifier天线的带宽 Bandwidth of antenna阻塞式干扰 Barrage jammin

20、g战场侦察雷达 Battle-field search radar贝叶斯估计Bays estimation波束圆锥角 Beam conical angle天线罩波束指向误差 Beam pointing error of a radome波束形状损耗Beam-shape loss方位标志 Bearing markers二轴稳定系统 Bi-axial stable system二进(双择)检测 Binary detection双基地雷达Bistatic radar压制性干扰 Blanket jamming (blanking jamming)盲目着陆雷达 Blind landing-aid rad

21、ar盲相 Blind phase盲速 Blind speed盲点 Blind spot盲区 Blind zone闪烁干扰 Blinking jamming轰炸雷达Bombing radar校准塔 Boresight tower分支式天线收发开关Branch duplexer分支式电桥 Branch hybrid junction击穿 Breakdown击穿 Breakdown击穿功率 Breakdown power宽带中频放大器 Broad band intermediate frequency amplifier体效应二极管本地振荡器 Bulk effect diode local osci

22、llator烧穿 Burn through204 C 型显示器(方位-仰角显示器)C scope(azimuth-elevation indicator)机柜 Cabinet机柜、分机结构 Cabinet, subassembly电缆附加器Cable adapter电缆盘Cable drum标定误差 Calibrated error对消比 Cancellation ratio电缆敷设车 Carriage for cabling变频车 Carriage for frequency converting工程修理车 Carriage for repair equipment级联放大发射机 Casca

23、de amplifier transmitter卡塞戈伦天线Cassegrain antenna阴极脉冲调制器Cathode modulator电子束管(阴极射线管)Cathode-ray tube(CRT)空腔型振荡器Cavity oscillator谐振腔 Cavity resonator220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263空腔稳频本地振荡器 Cavity-stab

24、ilized local oscillator电荷耦合器件对消器CCD canceller恒虚警损失CFAR loss恒虚警率接收机CFAR receiver干扰物Chaff箔条Chaff干扰云 Chaff cloud干扰偶极子Chaff dipole干扰包 Chaff package干扰物模拟器Chaff simulator电源电压变化试验Change of power line voltage天线扫描率变化Change of scanning rate性质改批 Change the batch number from the feature变极化馈电器 Changed polarizati

25、on feed信道化接收机 Channelized receiver特性阻抗 Characteristic impedance电荷耦合器件 Charge coupled device(CCD)充 电电路 Charging circuit充 电电感 Charging inductor匣形天线 Cheese antenna扼流接头Choke-flange圆形阵 Circular array圆形软波导 Circular flexible waveguide圆极化馈电器 Circular polarization feed圆极化喇叭 Circular polarization horn圆周扫描 Cir

26、cular sweep圆波导 Circular waveguide圆极化场矢量 Circularly polarized field vector圆极化平面波 Circularly polarized plane wave环行器 Circulator时钟接收机Clock receiver闭环带宽 Closed-loop bandwidth闭环系统频率特性 Closed-loop system frequency characteristic闭环控制系统(反馈控制系统)Close-loop control system (feed-back control system)杂波 Clutter杂波

27、滤波器Clutter filter杂波锁定Clutter lock杂波地图Clutter map杂波抑制 Clutter suppression粗精测系统 Coarse-fine measurement system同轴电缆Coaxial cable同轴谐振腔Coaxial cavity同轴接头 Coaxial connector同轴定向耦合器 Coaxial directional coupler264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296

28、297298299300301302303304305306307同轴滤波器Coaxial filter同轴环行电桥Coaxial hybrid ring同轴线 Coaxial line同轴旋转关节Coaxial rotary joint同轴转换开关Coaxial switch同轴带线变换器 Coaxial-stripline transformer同轴波导变换器 Coaxial-waveguide transformer编码发射机 Coded transmitter相关干扰 Coherent jamming相干动目标显示Coherent MTI相干振荡器 Coherent oscillato

29、r相干接收机 Coherent receiver重合检测 Coincidence detection丢失损耗 Collapsing loss收集极Collector共线阵 Collinear array彩色显示Color display色噪声 Colored noise梳齿滤波器Comb filter复合控制系统 Combination-loop control system混合干扰 Combinatorial jamming综合环境试验 Combined environment test站办通讯机 Communication machine in station复调制干扰 Complex m

30、odulated jamming复信号 Complex signal复合波形调制干扰 Complex waveform modulated jamming接地 Conductive earth共形阵天线 Conformal array antenna介质导喇叭馈电器 Conical dielectric horn-feed圆锥喇叭Conical horn圆锥扫描雷达 Conical scan radar圆锥扫描天线 Conical scanned antenna圆锥扫描雷达接收机 Conical scanning radar receiver等高 平面位置显示器Constant altitud

31、e PPI恒虚警接收机 Constant false-alarm receiver(CFAR)恒值控制系统 Constant-value control system强迫馈电 Constrained feed约束金属板透镜天线 Constrained metal-plate lens antenna连续工作时间 Continuous operating time连续调整系统控制系统 Continuous regulation control system 连续信号 Continuous signal连续波调制信号 Continuous-wave modulated signal连续波雷达接收机

32、 Continuous-wave radar receiver对比度Contrast308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351控制系统 Control system可控性 Controllability变换元件 Conversion element变频损耗 Conversion loss坐标变换 Conversion of coordinate折算惯量 Converted i

33、nertia变频器Converter卷积 Convolution卷积器 Convolutor冷却剂Coolant致冷参量放大器 Cooled parametric amplifier冷却试验Cooling test角反射器 Corner reflector角形反射器天线 Corner reflector antenna电晕Corona瞄准望远镜 Correcting telescope校正元件 Corrective element相关系数 Correlation coefficient相关函数 Correlation function相关接收 Correlation receive相关接收机

34、Correlation receiver相关时间 Correlation time相关器 Correlator波纹喇叭(标量喇叭)Corrugated horn(scalar)余割平方天线 Cosecant-squared antenna抗反辐射导弹措施 Counter anti-radiation missile measures反迫击炮雷达 Counter-mortar radar联轴器Coupling航向标志 Course markers互相关函数 Cross correlation function交*极化电平 Cross polarization level互相关器 Cross-co

35、rrelator十字缝隙天线Crossed slot antenna正交场平衡混频器 Crossed-field balanced mixer正交场器件(M 型器件)Crossed-field devices(M-type devices)交*极化损失 Cross-polarization loss交*滚子轴承 Crossro roller bearing撬棒电路 Crowbar circuit阴极射线管显示CRT-display立方相差 Cube phase error游标Cursor切割抛物面天线Cut parabolic antenna截止式衰减器Cut-off attenutor截止频

36、率 Cut-off frequency352 截止波长 Cut-off wavelength353连续波干扰CW jamming354连续波雷达CW radar355连续波雷达发射机CW radar transmitter356 摆线针轮减速器 Cycloidal gear reductor357 油缸 Cylinder358 圆柱阵 Cylindrical array359 柱面波 Cylindrical wave360 D型显 示器D scope361 直流阻抗 D.C. impedance362 直流谐振充电 D.C. resonant charging363 直流谐振二极管充电 D.C

37、. resonant diode charge364 数据处理 Data processing365 数据处理 Data processing366 数据率 Data rate367 数据记录设备 Date recorder equipment368直流控制系统DC control system369 死区 Dead zone370欺骗性干扰干扰Deception jamming371雷达诱饵Decoy372 偏转通道带宽 Deflection channel bandwidth373 偏转线圈 Deflection coil374 偏转调制 Deflection modulation375

38、偏转板 Deflection plates376 偏转稳定（建立）时间 Deflection settling time377 散焦保护电路 Defocusing protection circuit378 耦合度 Degree of coupling379 辐射隔离度 Degree of radiant protection380 延迟线对消器 Delay line canceller381延迟线滤波器Delay line filter382 延时充电电路 Delayed charging circuit383 密度检测 Density detection384 去极化 Depolariza

39、tion385 降优值电路 De-Q-ing circuit386 削尖峰电路 Despiking circuit387 检测准则 Detection criterion388 发现概率 Detection probability389 位移式操作 Deviation operation390 介质干扰杆 Dielectric chaff rod391 介质透镜天线 Dielectric lens antenna392 介质移相器 Dielectric phase shifter393 介质棒天线 Dielectric rod antenna394 差增益 Difference gain395

40、 差信号 Difference signal396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439差斜率 Difference slope指触光敏装置Digilux touch mask数字控制系统 Digital control system数字显示 Digital display数字滤波器Digital filter数字积累器 Digital integrator数字匹配滤波器Dig

41、ital matched filter数字动目标显示 Digital MTI (DMTI)数字移相器 Digital phase shifter信号的数字处理 Digital processing of signal数字测距 Digital ranging数字式分解 Digital resolving数字信号 Digital signal数字式扫描(量化式扫描)Digital sweep数-模变换 Digital-to-analog conversion后馈带反射盘的振子馈电器Dipole-disk feed for rear-feed直接定位 Direct location弓I 导式干扰 D

42、irected jamming方向控制阀 Directing-control valve定向耦合器 Directional coupler定向互导 Directional mutual conductance方向性增益Directive gain方向性 Directivity引 导雷达 Director radar直观贮存管 Direct-view storage tube离散付里叶变换 Discrete Fourier transform离散信号 Discrete signal鉴频器 Discriminator色散 Dispersion色散滤波器 Dispersion filter显示方式D

43、isplay modes道尔夫-切比雪夫阵列天线Dolph-chebyshef array antenna多普勒雷达Doppler radar多普勒信号Doppler signal双重平衡混频器Double balanced mixer二次对消器 Double canceller双偏管 Double deflection CRT双增益级对数放大器 Double gain stage logarithmic amplifier双极化接收 Double polarization receive双极点滤波器Double pole filter双脊波导 Double ridge waveguide双门

44、限检测 Double threshold detection双门限检测器 Double threshold detector双 T 接头 Double T-junction440 双偏转 Double-deflection441 后馈双喇叭馈电器 Double-horn feed for rear-feed442 后馈双缝隙馈电器 Double-slote feed for rear-feed443 双调谐中频放大器 Double-tuned intermediate frequency amplifier444传动机构Drive445 干燥充气机 Dry-air filling machin

45、e446双模式干扰机Dual mode jammer447 双链传动装置 Dual train drive device448等效负载Dummy load449天线收发开关Duplexer450 气体放电管收发开关 Duplexer of gas discharge tube451 工作比 Duty cycle452 动态特性 Dynamic characteristic453 动态检查 Dynamic check454 动态聚焦 Dynamic focus455 动态聚焦线圈 Dynamic focusing coil456 动态聚焦电极 Dynamic focusing electrode

46、457动态滞后误差Dynamic lag error458 E 面(H 面)折叠双 T E plane (H plane) magic-T459 E 面 T 形接头 E plane T-junction460 E 面弯波导 E plane waveguide bend461 E 主平面 E principal plane462 E 型显示器(距离-仰角显示器)E scope(range-elevation indicator)463 预警雷达 Early warning radar464 回波箱 Echo-box465 边导模隔离器 Edge-guide mode isolator466 天线

47、的有效面积 Effective area of an antenna467 有效带宽 Effective bandwidth468 有效辐射功率 Effective radiation power(E.R.P.)469 有效时宽 Effective time width470 电调衰减器 Electric control attenuator471 电控转换开关 Electric control switch472 电屏蔽 Electric shield473 电调滤波器 Electric tuning filter474 天线电轴 Electrical boresight of antenn

48、a475 电气-掖压控制系统 Electric-hydraulic control system476 电液伺服阀 Electro-hydraulic servo value477 电液伺服阀 Electro-hydraulic servo valve478 场致发光显示板 Electroluminescent display panel479 电磁兼容性 Electromagnetic compatibility480 电磁屏蔽 Electro-magnetic shield481 电子频移 Electron frequency drift482 电子抗干扰 Electronic anti-

49、jamming483 电子反侦察 Electronic anti-reconnaissance484 电子注聚焦 Electronic beam focusing485 电子防御措施 Electronic counter-countermeasures (ECCM)486 反电子措施 Electronic countermeasures (ECM)487 电子干扰 Electronic jamming488 电子侦察 Electronic reconnaissance489 电扫描天线 Electronic Scanned antenna490 电子调谐率 Electronic tuning

50、rate491 电子战 Electronic warfare (EW)492 电子对抗 Electronic warfare (EW)493 电扫描雷达 Electronically scanned radar494 静电偏转管 Electrostatic deflection CRT495 静电聚焦 Electrostatic focus496 静电偏转 Electrostatic-deflection497 单元室 Element cell498 阵中单元增益 Element gain in an array499 单元栅格 Element grid500 阵中单元方向图 Element

51、pattern in an array501 单元间距 Element spacing502 俯仰轴 Elevation axis503 俯仰驱动装置 Elevation drive device504 仰角信息 Elevation information505 俯仰大齿轮 Elevation main drive gear506 仰角分辨率 Elevation resolution507 俯仰同步传动装置 Elevation transmitting selsyn device508 俯仰-方位型天线座 Elevation-azimuth type antenna pedestal509 椭

52、圆软波导 Elliptical flexible waveguide510 椭圆波导 Elliptical waveguide511 椭圆极化场矢量 Elliptically polarized field vector512 椭圆极化平面波 Elliptically polarized plane wave513 密封试验 Encapsulation test514 末制导雷达 End-guidance radar515 环境假设 Environment assumption516 等相位面 Equiphase surface517 车厢设备布局 Equipment position arr

53、angement in shelter518 误差信号分解器 Error signal resolver519 误差敏感元件(测量元件，比较元件) Error-sensitive element(measurement element, comparative element)520 蒸发冷去却 Evaporative cooling521电子战模拟试验场EW simulation test range522电子对抗支援措施EW support measures523 精确频率 Exact frequency524 激励系数 Excitation coefficients525 激励振动频率

54、Excited vibration frequency526 激励器(预调器、触发器)Exciter(premodulator, trigger)527 扩展系数 Expansion coefficient528 投掷式干扰机 Expendable jammer529 暴露区 Exposed zone530 延伸馈电器 Extended feeds531 录取显示器 Extraction display532 录取误差 Extraction error533 录取存贮器 Extraction memory534录取设备Extractor535 外推(预测)Extrapolation(predi

55、ction)536 极窄脉冲雷达 Extra-short pulse radar537 F 型显示器(角度差显示器)F scope(angle error indicator)538 屏蔽系数(屏蔽隔离度)Factor of shielding(shielding strength)539 虚警概率 False alarm time540扇形波束天线Fan-beam antenna541 法拉第旋转式环行器 Faraday rotation circulator542法拉第旋转效应隔离器Faraday rotation isolator543 远场区(佛累和费区)Far-field regio

56、n (Frouhofer region)544 远场区方向图 Far-field region pattern545 快速付里叶变换 Fast Fourier transform546 快时间常数电路 Fast time constant circuit (FTC)547馈电器feed548 馈线 Feed line549 馈电网络 Feed network550 相控阵馈电网络 Feed networks for phased array551 反馈 Feedback552 前馈 Feedforward553 篱笆 Fence554铁氧体天线收发开关Ferrite duplexer555 铁

57、氧体移相器 Ferrite phase shifter556 铁氧体开关 Ferrite switch557 导光纤维管 Fibre-optic CRT558 激磁控制 Field control559外场试验(现场试验)Field test560 场移式隔离器 Field-displacement isolator561滤波器Filter562 滤波 Filter563 火控雷达 Fire control radar564 一阶微分环节 First derivative element565 一阶无差系统 First order astatic system566五喇叭馈电器Five-hor

58、n feed567 固定式偏转线圈 Fixed deflection coil568 固定雷达 Fixed radar569 固定目标检查 Fixed-object check570 平头缝隙天线 Flat headed antenna571 软同轴线 Flexible coaxial line572 软反馈 Flexible feedback573 软波导 Flexible waveguide574 飞行试验 Flight calibration575 浮动极调制器(调制阳极脉冲调制器)Floating desk modulator (modulating a node pulse modu

59、lator)576 溢流阀 Flood valve577 流量控保电路 Flow control protection circuit578 流量控制阀 Flowrate-control valve579调频干扰FM jamming580泡沫天线罩Foamradome581 聚焦 Focus582聚焦线圈Focus coil583 焦距 Focus distance584 焦点(线)Focus(focal line)585 散焦 Focus-out586 折合振子 Folded dipole587 强迫通风 Forced ventilation588 前向波管 Forward wave tub

60、e589 四点接触向心推力轴承 Four point contract center-oriented thrust ball bearing590 四轴稳定系统 Four-axial stable system591四喇叭馈电器Four-horn feed592 骨架 Frame593 自由空间波长 Free space wavelength594 自由空间衰减 Free-space attenuation595 频率捷变雷达 Frequency agile radar596 频率捷变 Frequency agility597 频率特性 Frequency characteristic598 频率去相关 Frequency decorrelation599 频率鉴别 Frequency discrimination600 鉴频系数 Frequency discrimination figure601 鉴频器幅度对称性 Frequency discriminator amplitude frequency symmetry602 鉴频器交界频率 Frequency discriminator cross-over frequency603 鉴频器失真度 Frequency discriminator degree