| 1. | The construction of ooc is investigated in the second section 第二章对光正交码的构造进行了研究。 |
| 2. | The improved algorithm of construction of ooc based on finite field is 第三章对基于有限域的光正交码构造的改进算法进行了研究。 |
| 3. | Based on different services in access network , constructed single - length and multi - length ooc 2 .分析了接入网中几种典型的媒质接入控制协议。 |
| 4. | The performance of single - length and multi - length ooc w - o c d m a . system were analyzed in detail 分析比较了tdma 、 wdma 、 cdma三种固定多址接入方式的特点。 |
| 5. | Optical orthogonal code ( ooc ) among optical address code is mostly investigated , so the main research of this paper is focused on the construction of ooc 目前光地址码中研究得比较多的是光正交码,因此本文主要研究光正交码的构造。 |
| 6. | The simulation results show that the capacity of the two dimensions ocdma system of 2d - ooc wavelength and time is better than that of the one dimension system Ocdma系统是一个容量受限的系统,当系统的同时用户数较多时,系统的性能主要由用户间的多址干扰决定。 |
| 7. | The key problems talked about are provided by solutions and implemented ( using java language and ooc ' s product ? orbacus for java which is compliant with corba2 . 3 ) 并对上述关键问题给出了解决方案并予以实现(用java语言和ooc公司实现的符合corba2 . 3规范的产品orbacusforjava ) 。 |
| 8. | Tags can be specified to ooc as labels on the prototypes of dynamically linked methods in the class definition file , and as labels on a method header in the imple1 _ _ mentation file ; the latter have precedence 标记可以被指定为动态连接方法原型的标签记录在类定义文件中,并且在实现文件中方法头上作为标签;后边的有优先权。 |
| 9. | The construction methods of ooc are summarized . furthermore , the algorithm based on difference matrix together with the algorithm based on extended set are investigated , then , these are corrected as for existing problem 对光正交码的构造方法进行了概述,研究了利用差分矩阵构造光正交码的算法和利用邻加方法构造光正交码的算法,针对这些算法存在的问题进行了修正。 |
| 10. | Firstly , the basic principle of ocdma , the basic theory of ooc and the key technologies of ocdma are introduced . the development , research status and trends of ocdma technologies are also summarized . combining with other multiplexing technologies and using fiber gratings as the encoder / decoder are the trends of ocdma system 论文首先对ocdma的基本原理、光正交码的基本理论以及关键技术进行介绍,对光码分多址技术发展历史、研究现状以及发展趋势进行总结,指出同其它复用方式相结合的混合全光网络和采用光纤光栅编解码器是光码分复用技术最有希望的发展方向。 |