树状拓扑

HFC网络（混合光纤同轴网）采用树状拓扑结构，分布于较广的区域，有较大的延时，这使得HFC网络中的MAC（介质访问控制）协议的设计成为一个值得研究的问题。

Due to the HFC network 's tree topology , large service area and great round trip delay , it is an issue worth researching when we design the MAC ( Media Access Control ) protocol in HFC networks .

最后介绍了传输系统的特点，引出了长链树状拓扑结构的无线传感器网络。

At last introduces the characteristics of the transmission system and propose the long-chain tree topology for wireless sensor networks .

结果表明，文中所述算法对于树状拓扑结构的模块化机器人的重构规划问题是有效的。

Simulation and computation results show that this algorithm is efficient for tree-like topological modular reconfigurable robots .

通过将基于树状拓扑的路由发现和按需式路由发现相结合，有效地降低了路由发现过程所产生的延时。

By combining the tree based-routing discovery and on-demand route discovery , the delay caused by the routing discovery is effectively reduced .

将字体识别为包含大量小圆弧和微直线段的轮廓环，构造生成轮廓环树状拓扑结构，通过遍历轮廓环关系树识别加工区域。

Distinguished TrueType Fonts as the outline loop which contains arc and straight segments . According to the geometry of the outline loop , the tree-topology structure of outline loop is built .

在此基础上讨论了模型下的缓存和调度策略等应用关键技术，结合树状拓扑和网状拓扑的优点提高了数据服务质量。

Based on all above , it discusses key technology such as buffer and schedule mechanism and unifies the advantages of the tree and the net topology so as to improve Qos .

本方案利用阵列波导光栅进行波分复用，然后利用程控光开关对波分复用的每一信道进行时分复用，构成树状网络拓扑结构。

It realizes wavelength division multiplexing technique with Arrayed Waveguide Grating ( AWG ), and employs TDM on each WDM channel with program-controlled switch .

基于混合遗传算法的树状注水管网拓扑优化

Topology optimization of tree-type water-injection pipe network based on hybrid genetic algorithm

用13C固体核磁共振检测了树状间隔臂的拓扑结构。

The topological structure of the dendrimer spacer arms was inspected by solid-state 13C NMR .