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- acoustic resonance device 共鸣器
- The acoustic resonance phenomenon in high intensity gaseous discharge lamps hinders the extension and application of electronic ballasts. 摘要高强度气体放电灯中的声谐振现象阻碍了电子镇流器的推广应用。
- J. Olsen and W.-P. Moskowitz, “Optical Measurement of Acoustic Resonance Frequencies in HID Lamps,” Proc. IEEE IAS ’97, Vol. 3, 1997, pp. 2263-2269. 杨景元、黄俊凯、莫清贤,“复金属灯高频操作之无音频共振控制法”,2004年第三届台湾电力电子研讨会,页130-134。
- 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。
- Applying axial magnetic field on low power metal halide lamps, its effects on acoustic resonance were observed experimentally. 本文对纵向磁场作用下小功率金属卤化物灯电弧声共振现象进行了实验研究。
- Unfortunately MHL operating on high frequency may cause acoustic resonance, which has limited the use of HF electronic operation of MHLs till now. 可是金卤灯高频工作时存在声共振现象,引起电弧不稳、闪烁甚至熄灭,使高频电子镇流器的应用受到严重限制。
- Based on the theory of acoustic resonance spectroscopy (ARS), the measurement system of the ARS is established for gas content detection in the liquid mixed with a gas. 摘要根据共振声谱原理,建立了气液两相介质中圆柱共振腔共振声谱的实验测量系统,研究了共振腔体中不同含量的气体对共振声谱的幅度和共振频率的影响。
- Objective To investigate the diffusion coefficient of water molecules using magnetic resonance(MR)diffusion weighted spectroscopy(DWS)with normal medical magnetic resonance device. 目的在常规医用磁共振机上利用扩散加权波谱技术测量水分子的扩散系数。
- This system can set up acoustical resonances. 这种系统能产生共鸣。
- This is used for cooling Scanning Probe Microscope heads, Electron Spin Resonance devices and a variety of other experiments. 可用于冷却扫描探针显微镜头部、电子自旋共振器件和其他多种实验。
- Theoretically analysis on L-shape acoustic resonator was performed and acoustic experimentss were done. 针对L形声学谐振器进行了理论分析和实验研究。
- For simulating the electromagnetic (EM) distribution of thin film bulk acoustic resonators (FBAR), a new FBAR modelling method was proposed. 摘要为了模拟薄膜声体波谐振器(FBAR)的电磁场(EM)分布特性,提出了一种新的FBAR建模方法。
- Abstract: Back-etching type AIN film bulk acoustic resonators were fabricated using silicon bulk micromachining technique. 文章摘要: 采用体硅微细加工工艺制备了背空腔型AIN薄膜体声波谐振器。
- Novel Dimmable UHF Electronic Ballast without Acoustic Resonance 一种新型可调光无声谐振超高频电子镇流器
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- If took ten men to wrestle the device into place. 用了10个人才把那台装置挪动到位。
- Study of Spread Spectrum in Suppressing Acoustic Resonance 频谱分散抑制气体放电中声谐振技术研究
- Application of FM serial resonance device to XLPE insulated cable test 调频串联谐振装置在XLPE绝缘电缆试验中的应用
- Tips on how to achieve better acoustic resonance in singing 如何在演唱中较好地掌握共鸣
- A device used to modulate an electromagnetic wave. 调制器用以调制电磁波的装置