| 1. | Interior coaxial - cable laying technology of catv 电缆室内敷设技术 |
| 2. | Two new methods for calculation of the self inductance on coaxial - cable 同轴电缆自感计算的两种新方法 |
| 3. | Broad - band coaxial - cable transmission 宽频带同轴电缆传输 |
| 4. | Using the new tri - coaxial - cable as connecting cable in high frequency protection channel to improve the anti - jamming ability of high frequency protection was suggested 提出了用新型三同轴电缆作高频通道连接电缆可提高高频保护抗干扰能力的建议。 |
| 5. | The misoperation of high frequency protection caused by the electromagnetic disturbance was analyzed and the bad anti - jamming ability of existing coaxial - cable which is an important reason of misoperation in high frequency protection was pointed out 摘要对电网高频保护通道受电磁干扰发生不正确动作现象进行了分析,指出现有同轴电缆抗干扰性能差是高频保护不正确动作的重要原因。 |
| 6. | The series smc connectors with screw ? coupling mechanism , have character of small size light weight , reliable connect and vibration - proof , for the connect rf coaxial - cable in electronic equipment and instruments , and can be interchangeable with the same ? type connectors of abroad 该系列产品具有体积小、重量轻、连接可靠、抗振性能好等特点,供无线电设备和仪器中连接射频同轴电缆用。 |
| 7. | More and more people begin to attach importance to its potence gradually . according to the basic principle of vbi , this paper acquires related experience from the advanced technique for delivering of control signals during the period of vbi . it introduces a scheme using a single coaxial - cable to transmit video signals and control signals simultaneously , in which the key technique is the transmission of control signals in the vertical blanking interval of video signals 本文根据场消隐期传输技术的基本原理,通过借鉴国内外场消隐期传输信号的先进技术和相关经验,提出一种新型的综合数据传输业务的应用电视,阐述了其图像信号和控制信号共缆传输的总体设计方案,并结合bch纠错编解码技术和systemview动态仿真软件,实现和验证了控制信号在场消隐期间的稳定可靠传输。 |
| 8. | Firstly , according to the characteristic of the video signal and 10mbit / s data signal and the problem that these two kinds of signal are transferred by a coaxial - cable , this paper analyses three optional schemes and designs the system in the mass which can transfer these two kinds of signal and analyzes the transmission characteristic of the system 首先,针对电视信号和10mbit / s数据信号各自的特点,以及用一根同轴电缆传输两种信号的需要解决的问题,从总体上设计了可以实现这二种信号同时接入的系统,对该系统的传输特点进行了分析,从理论上验证了该系统的可行性。 |
| 9. | Secondly , this paper has expounded two key parts through which this system can be implemented ? ? the filter which can separate data signal from video signal and the circuit which can realize data signal which is in the same channel transferred bidirectional through coaxial - cable . the design and the test result of these two key parts are analyzed 其次,论文还对系统得以实现的两个关键部件? ?让catv信号和以太网信号得以分离的高低通滤波器,让同轴电缆实现双向数据通信的混合线圈的设计过程做了详细阐述,给出了高低通滤波器及混合线圈的设计结果。 |
| 10. | Theoretically , the main work is the simulation of source excitation . by comparing the advantages and disadvantages of previous methods of source simulation , a novel simulation method of excitation source is presented . the details of the application to microstrip feed , waveguide feed and coaxial - cable feed using this simulating method are given 在fdtd用于天线计算理论研究中本文重点研究了激励源设置问题,比较了现有的各种激励源设置方式的优缺点以及它们的适用范围,在此基础上,提出一种新的激励源设置方法,并将其推广到微带线馈电、波导馈电、同轴线馈电等天线的通用馈电方式。 |