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- basic frequency beam 基频光束
- First,the wavelet coefficients of basic frequency are extracted to identify the short duration disturbance like voltage sag,swell and interruption. 先提取基波频段所在的小波系数将电压凹陷、电压凸起和电压中断分别检测出来;
- According to the oscillation theory of membrane, the inherence frequency and basic frequency of the flexible membrane are obtained. 根据薄膜振动理论得到了弹性膜片的固有频率和基频。
- The PLL system is a stable phase feedback control system with many useful outputs, and it is robust to its inner parameters and small change of input's basic frequency. 该改进PLL系统是一个稳定的相位反馈控制系统,产生的多个输出信号可用于多种电能质量扰动的检测,而且对于检测系统的内部参数和电力系统频率的变化是鲁棒的。
- A simple formula for finding basic frequency is derived by use of relation of root and coefficient,and an example is enumerated to illustrate its application. 对特征方程利用根与系数的关系,导出了一个计算基频的简便公式,并结合实例说明其有一定的实用价值。
- New route between Tseung Kwan O Town Centre and Kowloon Ciy and operating via Tiu Keng Leng and Tseung Kwan O Tunnel. Proposed basic frequency 12 mintues. 新增行驶将军澳市中心至九龙城路线,途经调景岭及将军澳隧道。基本班次暂定12分钟。
- Adopting Intel Dynamic Processor only designed for Ultraportable Mobile Computing Device by Intel, their basic frequency is 1.6G Hz with average power 2.5W. 该产品采用了英特尔专为超便携型移动计算设备所设计的凌动处理器;主频为1.;6G赫兹;平均功耗为2
- At the sa me time,the relation between wave sp eed and basic frequency and bolt length is found out.The response curve of acceleration in different state is tested at la boratory. 同时得出了基频、波速和锚杆长度之间的定量关系;并在实验室对不同约束下锚杆的加速度响应进行了测试.
- With the model, the perpendicular basic frequency of different type underground gallery bridges are calculated and their empirical formula in normal condition has been obtained. 运用有限元计算模型,计算了各种类型地道桥的竖向基频,并提出正常状态地道桥竖向基频的经验表达式,为估算正常状态地道桥基频提供一种参考方法。
- At the same time , dynamical analysis for a given bridge has been done through the software MIDAS, and the relation of between basic frequency and sag ratio of stress- ribbon footbridges and frequency wave on the base of given sag have been educed. 同时,通过计算软件MIDAS对拟定桥梁进行动力分析,得出人行悬带桥的基频与垂跨比的关系以及特定垂度下的频率波形。
- This work deals with the fundamentals of basic frequency band signal transmission sys-tem for well logging and analyzes the bipolar return-to-zero system and Manchester trans-mission system for well logging in detail. 本文介绍了基带传输系统的原理,并较详细地分析了用于测井的双流归零制基带传输系统和曼彻斯特传输系统。
- The research results indicate: HSLC depressed basic frequency and natural frequencies, which made dynamic response of the structure decreased. 研究结果表明:高强轻集料混凝土在连续刚构桥中的应用,降低了其基频与自振频率。
- Using the synchronous monitoring analysis of tamper vibration, we can obtain seismic intensity evaluation affected by tamper vibration, basic frequency and maximum velocity parameters. 摘要结合强夯振动监测的应用实例,阐述了强夯振动监测的原理方法和成果分析过程,以及强夯振动监测应注意的问题。
- It's almost impossible to agree on a unified basic price. 几乎不可能商定一个划一的基本价格。
- A SIMPLE FORMULA FOR FINDING BASIC FREQUENCY 计算基频的一个简便公式
- Let me enlarge on this basic theme. 让我进一步阐述一下这个基本主题。
- Let's examine into the basic mechanism involved. 让我们把有关的基本结构搞搞清楚。
- Basic Frequency Modulation Synthesis technique 基础调频合成技术
- The family is the basic unit of society. 家庭是社会的基本单位。
- basic frequency of vertical bending 竖弯基频