| 1. | Design and application of cmts control - based web authentication system
认证系统的设计与应用 |
| 2. | To meet the demand on broad band services , the methods providing dual downstream channel in one cmts were studied in this thesis
为了适应宽带化的需要，本文探讨在一台cmts中提供两个下行信道的方法。 |
| 3. | Because cms are registered when they are installed in hfc network , cmts acquires the mac addresses of all of the cms in the system
由于cm进入hfc接入系统需要注册， cmts获知了系统中所有cm的mac地址。 |
| 4. | So , it can be realized only by some necessary change of cmts control code . it needs no extra hardware or complete redevelopment of cmts control code
要达到这个目的，不需要添置任何硬件设施，也不必完全重新开发cmts的控制程序，而是对现有cmts控制代码作必要的扩充和完善。 |
| 5. | Cmts - cable modem termination system . hardware that controls the downstream and upstream path to and from cable modems . also provides the network interface that ties into the internet
有线调制解调器终端系统-通过有线电视调制解调器控制下行和上行通道的设备，也是提供和因特网连接的网络界面。 |
| 6. | The asic ( application specific integrated circuit ) is placed in core . it implements modulation / demodulation and docsis ( data - over - cable service interface specification ) protocol
本文作者参与了重庆市的重点科研项目? cablemodem及其前端系统cmts的研制工作，主要从事的是cm的研究，可以说对cm相当熟悉。 |
| 7. | The author is one of the members of the research project of chongqing city , cm and cmts , and is familiar with cm . the asic ( application specific integrated circuit ) is placed in core
本文作者参与了重庆市的重点科研项目? cablemodem及其前端系统cmts的研制工作，主要从事的是cm的研究，可以说对cm相当熟悉。 |
| 8. | In addition , the author also introduces how to define managed object mib and designs the flow chart of snmp network management agent software . the author is one of the members of the key research project of chongqing
本文作者参与了重庆市的重点科研项目- cablemodem及其前端系统cmts的研制工作，主要从事这种网络的网络管理系统的研究和软件开发。 |
| 9. | Finally , it improves the security of network . as vlan technology has these advantages , we hope to introduce its functions in hfc network to solve the security problems that exist in our cmts and cm products when they are used in hfc network
为了解决当前一些cmts和cm产品在hfc网中使用时，暴露出一个安全性方面的问题，受vlan技术诸多功能的启发，我们希望在hfc网络中引入vlan的功能来解决这个问题。 |
| 10. | This paper gives us too ways ： one is to adopt a better modulation mechanism , s - cdma , to bate noise jamming . the other way is to implement automatic frequency agility under strong noise , based on the ranging and burst configuration mechanism of current docsis protocol , meanwhile , guaranteeing cmts ' s normal operating . this paper comprehensively analyzes the anti - jamming mechanism of docsis , then presents the specific implementation of the latter method
如何降低噪声对网络的危害，本论文指出了两个方向，其中一个就是在调制体制上下工夫，采用s - cdma体制，通过改变调制方式来主动的抑制噪声的影响；另一个方向就是基于现在协议提供的抗噪声干扰的机制，充分挖掘测距机制和灵活的突发配置机制的抗干扰潜力，以不影响头端设备的正常运行为前提，以它们为基础实现能自动避开强噪声干扰的频率转移。 |
