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- If this film series is used in He Ne laser, the dual frequency laser with 5MHz beat will be produced. 此膜系用于氦氖激光器 ,可制出频差为 5 MHz量级的双频激光器。
- Dual frequency and amplitudes vibration system may obtain optimal compaction for different quality and course materials. 振动系统:双频率和双振幅设置,保证了整机在压实不同性质、不同厚度的铺层时,均可达到最佳的压实效果;
- A fault diagnosis method for variable frequency motor is presented, which is based on advanced MCSA and fuzzy inference. 提出一种基于改进的定子电流信号分析(MCSA)和模糊推理的变频电机转子故障诊断方法。
- In order to improve target detection performance and anti-stealth ability for modern AEW radar, this paper presents a solution of dual frequency aperture sharing. 为了进一步提高现代机载预警 (AEW)雷达的目标检测及反隐身能力 ,本文提出双频带孔径共用的实现策略。
- The method of measuring deep soil moisture by VHF/UHF dual frequency multiple polarization Synthetic Aperture Radar (SAR) consisting of vector network analyzer is proposed. 该文提出了利用由矢量网络分析仪构造的VHF/UHF双频、多极化合成孔径雷达(SAR)测量深层土壤湿度的方法;
- In order to study the optical feedback characteristics at the dual frequency laser, a birefringent external cavity was studied throughboth theoretical analysis and experiments. 摘要为了研究双频激光器的光回馈特性,采用双折射外腔光回馈的方法,进行了理论分析和实验验证,取得了双频激光器中条纹倍频现象的数据。
- This text is chiefly directed against the selection of variable frequency motor and inverter in the lathe numerical control rebuilding,and the lectotype of converter is analyzed. 本文主要针对车床数控化改造中变频电动机的选择、变频器的选型进行分析。
- The algorithm was presented as a mathematical description independent of any applications and was used to design a dual frequency grating projection profilometry system. 用独立于任何实际应用的一般形式给出了该算法的数学表述 ,并以此为基础设计了一套双频光栅投影轮廓测量系统。
- This paper introduces a new method for both producing and controlling the frequency difference of a dual frequency laser by using an electromagnetical force which is applied onto the window plate. 提出和研究一种新的方法,即利用电磁铁的电磁力去产生和控制双频激光器的频差。
- A.Provide a complete adjustable frequency motor drive system consisting of a pulse width modulated (PWM) inverter for use on inverter duty rated AC induction motors. 提供一个完整的可调频马达驱动系统,包括一个脉冲宽度调制转换器,该转换器起额定交流感应电机的转换作用。
- medium frequency motor for woodworking 中频木工电动机
- Research on Dual Frequency Metal Detector 双频金属探测器的研究
- dual frequency GPS rapid positioning 双频GPS快速定位
- dual frequency induced polarization 双频激电
- dual frequency induced polarization method 双频激电法
- The road opened out into a dual carriageway. 这条路已扩展成了复式车行道。
- dual frequency liquid crystal gel 双频率液晶胶体材料
- simultaneous dual frequency dye laser 同步双频染料激光器
- Application of AC Variable Frequency Motor in Auto-door Control System 交流变频电机在自动门控制系统中的应用
- His dual role as a composer and a conductor made him very busy. 他作曲家和指挥家的双重身份使他非常繁忙。