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- Design and Research of High Gain Erbium-Doped Optical Fiber[J]. 引用该论文 李进延;李海清;蒋作文;刘学军;李诗愈.
- Use of "look, listen and smell" three pointers, the villas omni directional patrols. 运用“看、听、闻”三要领,对公寓进行全方位巡逻。
- C band EDFA only uses 2.5 m of this EDF,and which realize high gain. 利用2.;5 m的高浓度掺铒光纤制作的C波段EDFA就实现了高增益。
- Point-to-point communications requires high gain and high directivity antennas. 在点对点无线通讯的系统中,其天线通常要求高增益和高指向性的天线效能。
- It not only provides the learners as well as consumers with service which is omni directional,all-leveled,professional,individuated and humanized,but also optimizes and perfects itself. 构建“教育超市”是建立现代学校制度的必然选择,是提升教育行业服务水平的必然要求。
- Two dimensional image was obtained by transesophageal echocardiography.The thickness,wave time and velocity were showed during atrial septal motion by omni directional M mode echocardiography (OME). 应用经食管超声心动图获得二维图像,全方向M型超声显示并测量房间隔运动时的厚度、波幅时间及速度。
- ADI's high gain limiting amps feature: low power; excellent sensitivity and jitter performance. ADI公司的高增益限幅放大器具有低功耗、高灵敏度和低抖动得特性。
- ADI's matched transistors offer low noise and high gain, with characteristics approaching an ideal transistor. ADI公司的匹配晶体管具有接近理想晶体管特性的低噪声和高增益特性。
- In addition, high gain and fast response can be obtained by increasing the length of the active region of SOA. 加长半导体光放大器有源区长度可获得更大增益,同时提高了器件的响应速率。
- The kopeck is a direct high school enters NBA the ball, he and the Nepali purple gold dynasty, the hand has dominated NBA. 科比是一位直接从高中进入NBA的球员,他和大鲨鱼奥尼尔开创了紫金王朝,联手称霸NBA。
- MCPs are versatile detectors of ions, electrons and photons, providing a large active area of high gain and uniformity. MCP是多种带能粒子和光子的探测器,它可以提供一个增益高和均匀性好的大的工作面。
- Low Frequency Omni Directional Radio Range 低频全向无线电信标
- Features: High gain bandwidth product, small output capacitance,low noise figure. 特点:产品增益带宽高,输出电容小,噪声系数低。
- Low Power VHF Omni Directional Range 低功率甚高频全向无线电信标
- It is designed for sampling vague neural signals thanks to its high gain, high CMRR in a pre-defined bandwidth. 其具有高增益、高共模拒斥比与适当的频带,尤其是有利于处理微小的神经讯号。
- omni directional longer/shorter leg iron tower 全方位长短腿铁塔
- It is designed with outputs for a direct high current gate drive of an all N-channel power MOSFET three phase bridge with a maximum supply voltage of 38 V. 该产品可为全N通道功率MOSFET三相桥的直接大电流门极驱动提供输出,最大电源电压为38 V。
- Abstract High gain FEL requires high quality electron beam which can be provided only by the RF photocathode gun. 摘要 高增益自由电子激光对电子束团提出了高品质要求 ,只有光阴极微波电子枪能够达到这一目标。
- However, when the switch to ground closes, Q1 functions as a nonsaturated transistor with high gain. 然而,当开关接地时,Q1的功能就相当于有高增益的饱和晶体管。
- Lindgren D, Mullin T.J. &Zheng Y.Q. (1999) Combining high gain and little relatedness in breeding. 刘燕,郑勇奇,(1999)互联网网络功能开发与网络资源利用。