查询词典 RF

Photo-cathode superconducting accelerator experiment system includes Nd:YAG mode-locked laser, Cs 2Te cathode, 2+1/2 RF gun, L band 3.5MW microwave source, 1.3GHz superconducting cavity, 500W continuous microwave source, coaxial input coupler, 4.2K cryostat, helium liquified system, control system, beam diagnosis system, and vacuum system.

光阴极超导加速器实验系统由四倍频 Nd：YAG锁模激光器，Cs2 Te光阴极，2 +1 / 2微波电子枪，L波段 3 。5 MW脉冲微波源，1 。3 GHz单腔超导铌腔，5 0 0 W连续微波源，超导腔束管耦合器，4 。2 K低温恒温容器，液氦制冷系统，同步控制系统，束流参数诊断，真空系统等构成。

As an application example,a cross-bridge structure RF MEMS electrostatic driventunable capacitor is fabricated by the Laser-MicroPen direct-writing integrated fabricationtechnology.

最后，基于激光-微笔直写集成制造了一种跨桥式RF MEMS静电驱动可变电容结构。

According to the diffraction theory used in DVD system, we propose a new theory to analyze the RF signal and tracking error signal of Super-RENS disk. Then we use simulate the tracking error signal under beam aberration. Finally we use FDTD method to simulate the tracking error signal at defocus.

我们亦根据传统光碟片的绕射理论，提出一新的架构用於分析此近场结构，并用此理论进行射频及偏轨信号的模拟；接著探讨在有像差产生的情形下，其对偏轨信号的影响，最后用有限时域差分法验证在失焦下，偏轨信号的变化。

They analyzed 21 patients who had undergone CT-guided RF, nine who had complete ablations and 12 who had partial ablations.

他们分析了21例接受CT引导的射频消融术患者的资料：其中9例接受完全消融术，12例接受部分消融术。

The pull-in voltage of RF MEMS switches at different actuations is presented.

吸合电压是MEMS静电执行器的重要参数，针对RF MEMS开关，详细分析了开关在不同执行方式下的吸合电压。

Having these concepts, it is possible to design RF amplifiers and test them in simple methods.

有了以上的概念后，只需采用适当的设计概念加上简单的测试方法，就可以快速检测在大量生产时的射频放大器。

CL ASS-D RF power amplifiers have been in use for a long time.

D级RF功率放大器已被应用了较长的一段时间。

It's RF performance meets the requirements of products designed to the IS-95 and AMPS standards.

它的射频特性满足IS-95 和AMPS标准而设计的产品的需要。

A computing model was constructed by using ANSYS on personal compeers to study the RF resonant frequency and quality factor. The influence of the tuning capacitor gap,the cavity mesh and the model construction method were also discussed.

以PC机为平台，采用ANSYS软件进行建模，对腔体的谐振频率、空载品质因数进行了研究，探讨了微调电容间距、网格剖分精度以及建模方法对计算结果的影响。

his paper mainly introduces the research activities conducted in recent years at CIAE in the field of high intensity cyclotrons, and some critical technologies we have as well as the research progress to date. The technologies presented in this paper include high intensity cyclotron physics; production, adjustment and control of high intensity H-ions; advanced magnetic technique, high-power and high-stability RF technology, vacuum and comprehensive cyclotron experimentations, etc.

本文主要介绍了中国原子能科学研究院自2000年以来在强流回旋加速器领域的研究工作进展和到目前为止所掌握的一些强流回旋加速器的关键技术，内容涉及强流回旋加速器物理，强流负氢束的产生、调节、控制与诊断技术，先进磁工艺技术，大功率高稳定度高频技术，真空技术，回旋加速器综合试验技术等。

The network space is the typical form of abstract space when it comes to the digital stage.

网络空间是抽象空间数字化阶段的典型形式。

The Notarial System,as the system of judicial certification in our country,is both the constructor and the defender of social credit system,It has its special value and function in the social honesty.

公证制度作为我国司法证明制度，既是社会信用体系的建设者，同时也是社会信用的捍卫者，在诚信中有其特殊的价值和功能。