EMC专业术语英汉对照.docx

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1、 EMC TerminologyEMC专业术语BASIC CONCEPTS 根本概念Electromagnetic environment: The totality of electromagnetic phenomena existing at a given location.电磁环境：存在于给定场所电磁现象总和。Radio environment: The electromagnetic environment in the radio frequency range.The totality of electromagnetic fields created at a given l

2、ocation by operation, of radio transmitters. 无线电环境：无线电频率范围内电磁环境。在给定场所内处于工作状态无线电发射机产生电磁场总和。Electromagnetic noise: A time-varying electromagnetic phenomenon apparently not conveying information and which may be superimposed or combined with a wanted signal. 电磁噪声：一种明显不传送信息时变电磁现象，它可能与有用信号叠加或组合。Natural (

3、atmospheric) noise: Electromagnetic noise having its source in natural (atmospheric) phenomena and not generated by man-made devices.自然天电噪声：来源于自然天电现象而非人工装置产生电磁噪声。Man- made (equipment) noise: Electromagnetic noise having its source in the man-made devices人为设备噪声：来源于人工装置电磁噪声。Radio frequency noise: Elec

4、tromagnetic noise having components in the radio frequency range.无线电频率噪声：具有无线电频率分量电磁噪声。Electromagnetic radio noise: The total electromagnetic disturbance complex in which an equipment, subststem, or system may be immersed exclusive of its own electromagnetic contribution.环境无线电噪声：可浸没任一设备、子系统或系统全部电磁骚扰

5、合成，其中不包含Narrowband radio noise: Radio noise having a spectrum exhibiting one or more sharp peaks, narrow in width compared to the nominal bandwidth of, and far enough apart to be resolved by, the measuring instruments (or the communication receiver to be protected). 窄带无线电噪声：频谱显示有一个或多个尖峰且宽度比标称带宽窄无线电噪

6、声，其标称带宽离测量仪器或已防护通信接收机可分辨带宽足够远。Narrowband radio noise: Radio noise having a spectrum broad in width as compared to the nominal bandwidth of the measuring instrument, and whose spectral components are sufficiently close together and uniform that the measuring instrument cannot resolve them. 宽带无线电噪声：频谱

7、宽度比测量仪器标称带宽宽无线电噪声，其谱分量之间相距足够近而且均匀，以致测量仪器不能分辨它们。Electromagnetic radiation: The phenomenon by which energy in the form of electromagnetic waves emanates from a source into space. Energy transferred through space in the form of electromagnetic waves. (By extension, the term radiation sometimes also cov

8、ers induction phenomena.)电磁辐射：能量以电磁波形式由源发射到空间现象。能量以电磁波形式在空间传播。电磁辐射一词含义有时也可引申，将电磁感应现象也包括在内。Electromagnetic disturbance: Any electromagnetic phenomenon that may degrade the performance of a device, equipment, or system, or adversely affect living or inert matter. (An electromagnetic disturbance may be

9、 electromagnetic noise, an unwanted signal, or a change in the propagation medium itself.) 电磁骚扰：任何可能引起装置、设备或系统性能降低或者对有生命或无生命物质产生损坏作用电磁现象。Radio frequency disturbance: An electromagnetic disturbance having components in the radio frequency range. 无线电频率骚扰：具有无线电频率分量电磁骚扰。Unwanted signal: undesired signal

10、: A signal that may impair the reception of awanted signal. 无用信号：可能损害有用信号接收信号。Interfering signal: A signal that impairs the reception of a wanted signal. 干扰信号：损害有用信号接收信号。Degradation (of performance): An undesired departure in the operational performance of any device, equipment, or system from its i

11、ntended performance. (The term degradation can apply to temporary or permanent failure.) 性能降低：装置、设备或系统工作性能与正常性能非期望偏离。术语性能降低可用于临时性或永久性失效。Electromagnetic interference (EMI): Degradation of the performance of a device, equipment, or system caused by an electromagnetic disturbance. 电磁干扰EMI：电磁骚扰引起设备、传输通道

12、或系统性能下降。Radio frequency interference (RFI): Degradation of the reception of a wanted signal caused by radio frequency disturbance. 无线电频率干扰RFI：由无线电骚扰引起有用信号接收性能下降。Digital device: information technology equipment (ITE) , that fails into the class of unintentional radiators, uses digital techniques and

13、generators, and uses timing signals or pulses at a rate in excess of 9000 pulses per second. 数字装置：一种信息技术设备ITE，属于采用数字技术和发生器一类非成心辐射器，并采用速率超过每秒9 000个脉冲时钟信号或脉冲。Information technology equipment (ITR): Unintentional radiator equipment designed for one or more of the following purposes:1. Receiving data fr

14、om an external source (such as a data input line or a keyboard)2. Performing some processing functions, of the received data (such as computation, data transformation or recording, filing, sorting, storage, transfer of data)3. Providing a data output (either to other equipment or by the reproduction

15、 of data or images) . This definition includes electrical/electronic units or systems that predominantly generate a multiplicity of periodic, binary pulsed electrical/electronic waveforms and are designed to perform data processing functions such as word processing, electronic computation, data tran

16、sformation, recording, filing, sorting, storage, retrieval and transfer, and reproduction of data as images信息技术设备ITE：为到达以下一个或多个目而设计非成心辐射器设备：1. 接收来自外部源例如通过数据线或键盘输入数据。2. 对接收到数据进展某些处理如计算、数据转换或记录、建档、分类、存储和传送。3. 提供数据输出或送至另一设备或再现数据或图像。这个定义包括那些主要产生各种周期性二进制电气或电子脉冲波形，并实现数据处理功能单元或系统：诸如文字处理、电子计算、数据转换、记录、建档、分类、

17、存储、恢复及传递，以及用图像再现数据等。Personal computer: A system containing a host and a limited number of peripherals designed to be used in the home or in small offices, which enables individuals to perform a variety of computing or word processing functions or both, and which typically is of a size permitting it

18、and its peripherals to be located, on a table surface. Note: other definitions given in product standards or applicable regulations may take precedence. 个人计算机：一种包含主机与有限数量外设系统，设计成可在家庭或小型办公室中使用，以便个人能够完成各种计算或文字处理功能或两种功能兼备；它典型尺寸为可将它及其外设放在一张桌面上。注意：在产品标准或适用标准中给出其他定义可以优先采纳。Peripheral device: A digital acce

19、ssory that feeds data into or receives data from another device (host) that, in turn, controls its operation. 外围设备：将数据馈入其他设备主机或接收来自其他设备主机数据以控制其工作数字辅助设备。Incidental radiator: A device that .produces RF energy during the course of its operation, although the device is not intentionally designed to gene

20、rate or .emit RF energy. Examples of incidental radiators are DC motors and mechanical light switches. 附随辐射器：并非有意地设计成产生或发射射频能量，但在其工作过程中会产生射频能量装置，例如直流电动机和机械电灯开关。Intentional radiator: A device that intentionally generates and emits RF energy by radiation or induction. 成心辐射器：靠辐射或感应成心产生并发射射频能量装置。DISTURB

21、ANCE WAVEFORMS 骚扰波形Transient: Pertaining to or designating a phenomenon or a quantity that varies between two consecutive steady states during a time interval short compared to the time scale of interest. 瞬态：在两个相邻状态之间变化物理量或物理现象，其变化时间小于所关注时间尺度。Pulse: An abrupt variation of short duration of a physica

22、l quantity followed by a rapid return to the initial value. 脉冲：在短时间内突变，随后又迅速返回其初始值物理量。Pulse count: The number of pulses in some specified time interval. 脉冲计数：在指定时间间隔内脉冲个数。Impulse: A pulse that, for a given application, approximates a unit pulse or a Dirac function. 冲激脉冲：针对某给定用途，近似于一单位脉冲或迪拉克函数脉冲。Impu

23、lsive disturbance: Electromagnetic noise that, when incident on a particular device or equipment, manifests itself as a succession of distinct pulses or transients. 脉冲骚扰：在某一特定装置或设备上出现、表现为一连串清晰脉冲或瞬态 电磁骚扰。Random noise: Electromagnetic noise, the values of which at given instants are not predictable, e

24、xcept in a statistical sense. 随机噪声：给定瞬间其值不可预测噪声。给定瞬间其值不可预测而只有统计意义电磁噪声。Electrostatic discharge (ESD): A transfer of electric charge between bodies of different electrostatic potential in proximity or through direct contact. 静电放电ESD：具有不同静电电位物体相互靠近或直接接触而产生电荷转移。Surge (surge-protective device): A transie

25、nt wave of current, potential, or power in an electric circuit. 浪涌浪涌防护装置：电路中电流、电势或功率瞬态波。Swell: A momentary increase in the power frequency voltage delivered by the mains, outside of the normal tolerances, with a duration of more than one cycle and less than a few seconds. 隆起：干线传输电源频率电压瞬间增大，超出了标准公差、持

26、续时间超过一个周期而小于几秒。Surge let-through: That part of the surge that passes by a surge protective device with little or no alteration. 允过浪涌：很少变化或无变化地通过浪涌防护装置那局部浪涌。Surge remnant: That part of an applied surge that remains downstream of one or several protective devices. 浪涌剩余：外加浪涌经过一个或几个防护装置后剩余局部。Continuous

27、disturbance: Electromagnetic disturbance, the effects of which on a particular device or equipment cannot be resolved into a succession of distinct effects. 连续骚扰：对一个特定设备效应不能分解为一串能清晰可辨效应电磁骚 扰。Continuous noise: Electromagnetic noise, the effects of which on a particular device or equipment cannot be r

28、esolved into a succession of distinct effects. 连续噪声：对一个特定设备效应不能分解为一串能清晰可辨效应噪声。Quasi-impulsive noise: Electromagnetic noise equivalent to a superposition of impulsive noise and continuous noise. 准冲击噪声：等效于脉冲噪声与连续噪声叠加电磁噪声。Discontinuous interference: Electromagnetic interference occurring during certain

29、 interference-free time intervals. 非连续干扰:出现于被无干扰间隙隔开一定时间间隔内电磁干扰。INTERFERENCE CONTROL 干扰控制Electromagnetic susceptibility: The inability of a device, equipment, or system to perform, without degradation in the presence of an electromagnetic disturbance. (Susceptibility is a lack of immunity.) 电磁敏感性：在存

30、在电磁骚扰情况下，装置、设备或系统不能防止性能降低能力特性。敏感性高，抗扰性低。Immunity (to a disturbance): The ability of a device, equipment, or system to perform without degradation in the presence of an electromagnetic disturbance. 对骚扰抗扰性：装置、设备或系统面临电磁骚扰而不降低运行性能能力。Internal immunity: Ability of a device, equipment, or system to perform

31、 without degradation in the presence of electromagnetic disturbances appearing at its normal input terminals or antennas. 内部抗扰性：装置、设备或系统在其常规输入端或天线处存在电磁骚扰时能正常工作而无性能降低能力。Immunity level: The maximum level of a given electromagnetic disturbance incident on a particular device, equipment, or system for w

32、hich it remains capable of operating at a required degree of performance.抗扰性电平：将给定电磁骚扰施加于某一装置、设备或系统而其仍能正常工作并保存所需性能等级时最大骚扰电平。Immunity limit: The specified minimum immunity level. 抗扰度限值：规定最小抗扰性电平。Immunity margin：The difference between the immunity limit of a device, equipment, or system and the electr

33、omagnetic compatibility level. 抗扰度裕量：装置、设备或系统抗扰性限值与电磁兼容电平之间差值。External immunity: Ability of a device, equipment, or system to perform without degradation in the presence of electromagnetic disturbances entering other than via its normal input terminals or antennas. 外部抗扰性：装置、设备或系统在电磁骚扰经由除常规输入端或天线以外途径

34、侵入情况下，能正常工作而无性能降低能力。Limit of disturbance: The maximum permissible electromagnetic disturbance level, as measured in a specified way. 骚扰限值允许值：对于规定测量方法最大电磁骚扰允许电平。Limit of interference：Maximum permissible degradation of the performance of a device, equipment or system duo to an electromagnetic disturba

35、nce (Because of the difficulty of measuring: interference in many systems, frequently the term limit of interference is used in English instead of limit of disturbance.) 干扰限值允许值：电磁骚扰使装置、设备或系统最大允许性能降低。电磁骚扰使装置、设备或系统性能降低最大允许值。因为在很多系统中干扰难以测量，所以在英文中干扰限值一词常常用骚扰限值替代。Electromagnetic compatibility (EMC): The

36、 ability of a device, equipment, or system to function satisfactorily in its electromagnetic environment without introducing intolerable electromagnetic disturbances to anything in .that environment. 电磁兼容性EMC：设备或系统在其电磁环境中能正常工作且不对该环境中任何事物构成不能承受电磁骚扰能力。Intersystem electromagnetic compatibility: The con

37、dition that enables a system to function without perceptible degradation caused by electromagnetic sources in another system. 系统间电磁兼容性：使系统能够不出现由另一系统电磁源造成明显性能降低条件。 Intrasystem electromagnetic compatibility: The condition that enables the various portions of a system to function without perceptible de

38、gradation caused, by electromagnetic sources in other portions of the same system. 系统内电磁兼容性：使系统各局部都能够不出现由该系统不同局部电磁源造成明显性能降低条件。Electromagnetic compatibility level: The specified maximum electromagnetic disturbance level expected to be impressed on a device, equipment, or system operated in particular

39、 conditions. 电磁兼容电平：预期加在工作于指定条件装置、设备或系统上规定最大电磁骚扰电平。Electromagnetic compatibility margin: The ratio of the immunity level of a device, equipment, or system to the reference disturbance level. 电磁兼容裕量：装置、设备或系统抗扰性电平与骚扰源发射限值之间差值。Earth-coupled interference, ground-coupled interference: Electromagnetic int

40、erference resulting from, an electromagnetic disturbance coupled from one circuit to another through, a common earth or ground-return path. 地耦合干扰：电磁骚扰从一电路通过公共地或地回路耦合到另一电路从而引起电磁干扰。Suppressor; suppression component: A component specially designed, for disturbance suppression. 抑制器：专门设计来抑制骚扰器件。Disturban

41、ce suppression: Action that reduces or eliminates electromagnetic disturbance. 骚扰抑制：削弱或消除电磁骚扰措施。Interference suppression: Action that reduces or eliminates electromagnetic interference. 干扰抑制：削弱或消除电磁干扰措施。Measurements 测量Equipment under test (EUT): A device or system, used for .evaluation that is repre

42、sentative of a product to be marketed. 受试设备EUT：用来对市售产品做出评估装置或系统样品。Low-voltage electrical and electronic, equipment: Electrical and electronic equipment with operating input voltages of up to 600 V DC or 1000 V AC. 低压电气与电子设备：工作时输入直流电压不高于600 V或交流电压不高于1000V电气、电子设备。Conducted radio noise: Radio noise pro

43、duced by equipment operation, which, exists on the power line (or signal lines) of the equipment and is measurable under specified conditions as a voltage or current. 传导无线电噪声：设备工作时产生无线电噪声，它存在于设备电源线或信号线上，并可在规定条件下作为电压或电流进展测量。Power line conducted radio noise: Radio noise produced .by equipment operatio

44、n, which exists on the power line of the equipment and is measurable under specified conditions. Note: It may enter a receptor, such as ITE, by direct coupling or by subsequent radiation from some circuit elements. 电源线传导无线电噪声：设备工作时产生无线电噪声，它存在于设备电源线上，并可在规定条件下进展测量。注意，通过直接耦合或某些电路元件二次辐射，它可进入诸如ITE之类接收器。C

45、ommon-made radio noise: Conducted radio noise that appears between a common reference plane (ground) and oil wires of a transmission line, causing their potentials to be changed simultaneously, and by the same amount relative to the common reference plane (ground). 共模无线电噪声：出现在公共参考面地与传输线所有导线之间，造成它们电位

46、同步变化且相对于公共参考面地数值一样传导无线电噪声。Floor-standing equipment: Equipment designed to be used directly in contact with the floor, or supported above the floor on a surface designed to support both the equipment and the operator (e.g., a raised computer floor). 地上设备：设计成直接与地面接触或置于地板上设备地板用于支撑地面上方设备和操作人员，例如高出地面计算机地

47、板。Table-top device: A device designed to be placed and normally operated on the raised Surface of a table, e.g., most personal computers. 桌面设备：设计成放置在桌面上使用设备，例如大多数个人计算机。Differential-mode radio noise: Conducted radio noise that causes the potential of one side of the signal transmission path to be cha

48、nged relative to another side. 差模无线电噪声：造成信号传输路径一侧电位相对于另一侧变化传导无线电噪声。Artificial mains network; fine impedance stabilization network (LISN): A network inserted in the supply mains lead of an apparatus to be tested providing, in a given frequency range, a specified load impedance for (he measurement of disturbance voltages and possibly isolating the apparatus from the supply mains in that frequency range. 人工电源网络、线路阻抗稳定网络LISN：串接在被