查询词典 HOC

Key words:Dynamic Ad Hoc network,Invulnerability rate,Connectivity index,Incidence matrix,Network model

针对动态Ad Hoc网络的特性，提出了抗毁率这一新的网络抗毁性评价指标，在动态网络模型中建立了刻画网络节点连通性状的关联矩阵。

Furthermore, network technology is developing very fast, and there is a trend to interconnect Ad Hoc network and Internet.

另外，随着网络技术的不断发展，进行Ad Hoc网络和Internet之间的互联将会成为必然的发展趋势。

Get the lead-in of AD HOC from various technical merit and shortcoming of safe problem within a network technique.

得出了AD HOC 无线自组网络技术中的安全问题各种技术的优缺点。

The results of simulation show that the backoff algorithm based on logarithmic function is obviously effective in improving the capability of throughput and fairness of Ad Hoc network, reducing network delay and the ratio of packet loss, and the capability of new backoff algorithm is better than that of Binary Exponential Backoff algorithm.

仿真结果表明，基于对数函数的退避算法对提高Ad Hoc网络的吞吐量性能和公平性、降低网络延时有明显的效果，性能优于二进制退避算法。

For the purpose of saving energy and prolonging the lifetime of ad hoc network, this dissertation discuss the network lifetime in detail, and consider the lifetime and energy synthetically, provide a minimal energy cost maximal lifetime broadcast tree construction algorithm.

2针对移动Ad Hoc网络能量有效性问题，为了节省网络使用过程中的能量消耗，提高网络的生命周期，本文对网络的生命期问题，展开了详细的论述，同时又将生命期与能量消耗结合起来考虑，提出了一个最小能量最长生命周期广播树的构造算法。

The minimality of the virtual backbone is assured by designing optimization algorithm. As a result, it can effectively decrease the overhead of control packets dissemination. Simulation resluts show the correctness and the ability of self- renew.Considering the characteristic of fast-moving in wireless ad hoc networks, we construct a virtual backbone with a independent dominating set. This method can avoid sustaining connectivity between backbone nodes and the bakebone network can be rapidly reconstructed as topology change.

对规模较大、移动较频繁的ad hoc网络，用独立支配集构建虚拟骨干网，克服了骨干节点之间必须维护连通性的问题，使得拓扑变化较快时骨干网的重构能快速实现；采用动态按需路由机制，解决了骨干节点要维护路由表的问题；还利用极大独立集的求解得到极小独立支配集；并通过仿真测试了算法的正确性及自恢复能力。

Finally, the Ad Hoc network QoS protection issues were discussed.

最后对Ad Hoc网络中QoS的保障问题进行了探讨。

And, as Nihil est, nisi hoc sciat alter, is peculiarly true of genealogy, who would not be glad to seize a fair opportunity to let it be known

再加之，诚如所言， Nihil est， nisi hoc sciat alter ，这于世系竟有着奇妙的真实性，谁又会不藉此难得的机会晓示世人呢？

The ultrastructure of HOC was characterized by their small sized, oval nuclei, and higher nucleus/plasma ratio.

电镜下显示HOC具有形态小，核以卵圆型为主，高的核/浆比例等特点。

In order to improve the realizability of the system, wireless network of the lab is divided into a number of mini Ad Hoc networks.

本设计还将整个实验室无线网划分为若干个微Ad Hoc网，提高了系统的可实现性。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失