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- RF, half wave positive or negative, and full wave. 射频波、正半波、负半波,以及全波整流。
- Though there is no train is occupying the overlap track circuit. 虽然没有火车占领交叠轨道电路。
- Each band represents a deviation of one half wave length of the applied light. 每条光带表示所用光的一个半波的波长的偏差。
- Track circuit Trackside device used for track free/occupied determination. 轨道电路用于轨道空闲/占用检测的轨旁设备。
- Converts the negative half wave of an alternating current into a positive half wave. 把负极半波交流电转变成正极半波交流电。
- The jointless track circuit is an advanced control system which is used tocontrol the trains. 无绝缘轨道电路是一种先进的列车控制系统。
- It is a special power supply equipment designed recently for phase sensitive track circuit in AC electrified railway. 该新型25赫小站电源屏是我厂最新研制的交流电气化区段站内相敏轨道电路的专用供电设备。
- The function of supersensitization was explained by measurement of ESR signal and polargraphic half wave potential. 通过ESR信号及极谱半波电位的测试,对超增感机理进行了解释。
- The research results may provide some references for the design of ballast-less track and the research of adoptability of ballast-less track on joint-less track circuit. 本文的研究结果对于进一步开展无碴轨道的设计和无碴轨道对无绝缘轨道电路适应性研究具有一定的指导作用。
- The following conclusions has been made:1)The electrode width can be optimized to get the lowest half wave voltage of BOA type optical switches. 结果表明 :通过优化设计电极的宽度可以获得 BOA型光开关最小的半波电压 ;
- The next step is to obtain the negative parts of the signal via the reverse process of the HWR (Half Wave Rectification) stage.Finally the func... ‘一“],并表现出较好的性能,目前这方面的 研究正进一步深入之中。
- It was based on ZPW-2000A Jointless Track Circuit Frequency-shift Automatic Block System,which was widely used in our country’s railway sections. 基于我国铁路区间广泛使用的ZPW-2000A无绝缘移频自动闭塞制式,利用计算机仿真技术对区间的部分设备及功能进行了模拟。
- Usiflg the atom-atom polarizability as the index, which may be obtained a linear relationship with the half wave potential values. 为极谱分析中选用有机试剂提供了有用的信息。
- The working principle of track circuit in Chongqing mono rail was introduced in this paper. It also elaborated the role that track relay played in ensuring fail safety. 介绍了重庆单轨交通轨道电路的工作原理,对轨道继电器为保证故障安全所起的作用进行了阐述。
- Compartment of clinical observation of treatment of anklebone wrench and anklebone contuse from low frequency all and half wave magnetic field. 目的低频波半波磁场对踝关节扭挫伤治疗临床观察比较。
- This paper introduces the working principle of high -sensitivity track circuit and the scheme of testing multi-path high-sensitivity track circuit by microcomputer. 介绍了高灵敏轨道电路基本原理以及用微机实现多路高灵敏轨道电路测试的方案和具体方法.
- Our device consists of two birefringence plates and a half wave plate.On the front and back surfaces of the OLPF, an antireflection film and an infrared cutting film arc plated. 其主要由2片双折射晶体平板和1片波片构成三明治结构,并在前、后表面分别镀上红外截止膜和增透膜。
- Owing to the impact of steel networks in ballast-less track, the equivalent impedance of rail track may be changed and the length of track circuit may be shorted. 但是,无碴轨道中纵横交错的钢筋网络将会使钢轨等效阻抗发生变化,从而使轨道电路长度缩短。
- The conclusion is that the half wave galloping of the bundle conductors can be mitigated by increasing the length of the sub-span in the centre of span. 最后得到的结论是:对于分裂导线的半波舞动,增大档内中部的次档的长度,可减小分裂导线的半波舞动。
- It exhibits an impedance of 300 ohms whereas a half wave dipole is 75 ohms and I'm certain someone will be alert enough to ask "why 75 ohms, if figure 3 above is 50 ohms? 它陈列300欧姆阻抗但是一个半波偶极是75欧姆并且我肯定某人将是足够机敏的要求"为什么75欧姆,如果图3上述是50欧姆?