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- An electron tube used to amplify or generate ultrahigh frequency by means of velocity modulation. 速调管一种用速度调节的方法放大或产生超高频率的电子管
- Abstract: Electronic ballast with ultrahigh frequency （UHF） can avoid the intrinsic problem of acoustic resonance of HID lamps. 摘 要: 采用超高频电子镇流器能有效克服高强度气体放电灯所固有的声谐振问题。
- This paper presents that developing ultrahigh frequency pulse EDM generator of adjustable duty ratio by CPLD based on the characteristic of CPLD,complete hardware logistic. 从CPLD具有完全硬件逻辑的特点出发,提出了用CPLD发生占空比可调的超高频电火花加工脉冲信号的设想。
- Also developing ultrahigh frequency pulse celectro-discharge machining(EDM) generator of adjustable duty ratio by CPLD based on the characteristic of CPLD,complete hardware logistic. 从CPLD完全硬件逻辑的特点出发,使用CPLD发生占空比可调的超高频EDM脉冲信号。
- Application of PLC and Frequency Transformer to TV Studio Technology. PLC以及变频器在电视演播工艺中的应用。
- According to the linear time frequency transform characteristic of the short-time Fourier transform,the time frequency theory is applied to the vibration analysis of the large hydroelectric machine. 以实际工程中的水轮发电机组为例,应用短时傅立叶变换分析机组的振动信号,结果图清晰直观地表现了机组的振动情况,为水轮发电机组的故障诊断提供了理论和现实依据。
- television transmitter of ultrahigh frequency 分米波（UHF）电视发射机
- ultrahigh frequency radio engineering 特高频无线电工程学
- ultrahigh frequency direction finding 特高频测向
- ultrahigh frequency cathode ray tube 特高频电子束管
- ultrahigh frequency superconducting magnetometer 超高频超导磁强计
- "Litz" wires are multiple magnet wires bundled together for use typically when winding high frequency transformers. 绞合线是将若干漆包线捆束一起使用，特别用于缠绕高频变压器。
- Medium frequency transformer quenching is used for workpiece diathermy,quenching,annealing,brazing,etc. 中频淬火变压器用于工件的透热、淬火、退火、弯管钎焊等工艺。
- This paper detailedly introduces the master circuit of the frequency transformation speed regulation, IPM, and interface circuit with DSP. 文中对变频部分的主电路、智能功率模块IPM和dsp芯片及其周围接口电路都作了详细地介绍。
- The high voltage variable frequency transformation of power plant's pump system of condensation water pump, condensation water booster pump is described briefly. 对发电厂的凝泵、凝升泵的高压变频改造进行了简要叙述,并对经济性试验的数据进行了定量分析。
- The designing parameters of high frequency transformer and the protecting IGBT in plasma spraying inverter with high voltage and large current is analyzed in this paper. 分析了等离子喷涂逆变器在高电压大电流条件下，高频变压器参数设计和IGBT保护问题。
- The method of design high frequency transformer in half bridge inverter circuit is introduced exampled in detail,besides temperature rise and power loss are discussed. 依据一个半桥逆变电路的实例详细介绍了高频变压器设计的一般方法和步骤,并讨论变压器损耗和温升问题。
- The Research on the Method for Measuring Ultrahigh Frequency 特高频率测量新技术的研究
- New method of fabricating ultrahigh frequency grating 一种制作超高频全息光栅的新方法
- Research on Technology for Measuring Ultrahigh Frequency 关于超高频率测量技术的研究
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
