地址码

发信终端将自己的地址码随机地投入两个子区之一，从而获得分解信息包冲突的额外信息。

A user tosses his address into one of the two subfields randomly whenever he transmits and thereby obtains additional information for resolving packet conflicts .

基于Logistic函数映射与神经网络的地址码相位捕捉检测方法

Phase Acquisition Method of Address Code Based on Logistic-Map and Neural Network

用于光码分多址系统的一种3-D地址码

A 3-D Code for OCDMA System

而在CDMA通信系统中，地址码的选取极其重要。

However , in CDMA communication system , the choice of address code is very importance .

结果表明，多相序列具有优异的性能，适合用作CDMA系统中的地址码。

The result shows that multiphase sequence has better performance and fits for CDMA communication systems .

基于Markov过程的宽间隔跳频地址码序列的概率分布及谱特性的研究

A Study of the Stochastic and Spectral Distribution for the Wide-Interval Frequency-Hopped Pattern Based on the Markov ′ s Process

直接序列扩频通信通常选择m序列和gold码作为地址码，但对于并行组合扩频系统其地址码数量少。

DSSS usually takes m sequences or gold codes as address codes , but the parallel combinatory spread spectrum ( PC-SS ) communication has small amount of them .

分析和介绍了现行CDMA系统地址码的特点和设计标准，并阐述了自己的观点。

Current characteristics and standard of CDMA system has been analyzed and introduced , and my own standpoint has also been expounded .

在CDMA系统中，扩频地址码的特点和数量在很大程度上影响和制约着CDMA系统性能和容量的提高。

The characteristic and quantity of spread spectrum address code has great influence and restriction to CDMA system performance and capability improvement .

OCDMA系统中双极性地址码的设计与实现

Design and Implementation of Address Codes in OCDMA Systems

CDMA蜂窝移动通信系统是一种采用多址技术的通信系统，即采用不同的地址码来区分用户、基站和信道。

CDMA mobile communication system adopts multiple access techniques which means different address codes are used to distinguish users , base stations and channels .

非相干OCDMA系统地址码的比较

Comparison between optical codes in incoherent OCDMA system

OCDMA系统中的关键技术之一就是光地址码的设计。

The design of optical address code is one of key technologies in OCDMA system .

用户地址码的优良性能是OCDMA系统实用化的重要前提。

Excellent performance of the OCDMA system user address codes is an important prerequisite for practical use .

地址码必须如分组密码方法那样，混淆在对TOD输入的变换过程之中。

It is necessary to mix address code in transform process of input TOD as block cryptogram .

本文提出一种基于Logistic映射和反向传播神经网络的改进型神经网络检测方法，并将其应用于CDMA移动通信中地址码相位的捕捉。

An improved neural network detection method based on Logistic map and BP ( back propagation ) network is proposed . It can be applied to phase acquisition of CDMA address code .

它决定着系统的容量，抗干扰性，接入和转换速度等性能指标。在CDMA通信系统中，主要使用二元序列作为地址码。

It decides the capability , anti-jamming and speed of connect and conversion of the system . Today , in CDMA communication system , we use duality sequence as address code .

介绍一种新的二维OCDMA光地址码及其布拉格光纤光栅编解码方案，给出了OCDMA全光网结构。

A new kind of two-dimensional OCDMA codes and the encoding / decoding scheme based on fiber Bragg gratings are presented .

较详细地介绍OCDMA关键技术，如地址码的构造，编解码器的实现等。

List and analyze the key techniques of OCDMA : design of address codes , realization of coder and decoder and etc.

QTM地址码与经纬度坐标的快速转换算法

Fast Translating Algorithm between QTM Code and Longitude / Latitude Coordination

而性能优良的地址码是提升OCDMA系统性能，乃至OCDMA系统实用化的重要前提。

The address codes which have excellent performance are the basis for enhancing OCDMA system performance , even for realizing the technique .

本文分析了采用正交Gold序列作为地址码的同步扩频多址（SSSA）系统的通信特性。

Using the orthogonal Gold sequences , the preformances of Spread Spectrum Synchronous Access ( SSSA ) system are introduced and analysed in this paper .

通过对walsh序列地址码做一变换，提出了利用光纤布拉格步进啁啾光栅实现OCDMA编/解码的方法。

By mapping Walsh sequence , the paper bring forward a method which implement the encoder and decode of OCDMA system utilizing step chirped fiber grating .

介绍全光网络OCDMA系统中的地址码，包括单极性码和双极性码。

The paper introduces the spreading codes for optical code division multiple access ( OCDMA ) system in All optical Networks , including unipolar and bipolar codes .

为了对抗预测，跳频码序列应提出两个新的设计要求，对TOD敏感和对地址码敏感。

For the sake of anti-forecast two new design desires of sensitivity of hopping sequences to time of date ( TOD ) and address code are put forward .

用置乱后的水印生成地址码，根据地址码在载体图像的DCT域块上找到对应的参考位置，并根据一个混沌随机序列改变该参考位置邻域的系数值。

It uses permuted watermark to generate address codes , then finds the corresponding position in DCT domain blocks of host image and changes the coefficient value of the neighboring pixels according to a chaotic pseudo-random sequence .

最后结合实际的CDMA通信系统中所采用的地址码，对伪随机序列和正交码序列构成的复合序列的产生方法和相关特性进行研究和比较，并得到其在相关特性方面的一些规律特点。

At last it combines the address code used in the actual CDMA communication system to study and compare the way of the generation and the correlation characteristic of the multiplex sequences , and gets some disciplinarian and specialty in their correlation functions .

分析了3G复扰码的作用后发现它将引入QAMI和Q两个子信道间的准正交地址码干扰，会导致系统容量的下降。

In this paper , we find 3G complex-scrambled code will produce quasi-orthogonal address code between I and Q channels in QAM , which can cause interference and result in the decline of system capacity during analyzing the function of complex-scrambled code .

对光码分多址（OCDMA）系统中的地址码，包括单极性码和双极性码的容量和性能进行了分析比较，给出了4种双极性编码方案。

The paper analyses the performance of the address codes for optical code division multiple access ( OCDMA ) system , including unipolar and bipolar codes . Four kinds of bipolar encoding schemes are presented .

近些年来，对OCDMA技术的研究集中于系统性能的改善、光地址码理论、编解码技术及OCDM码的应用。

In recent years , the research about OCDMA technology focus on the system performance improvement , theory of optical address code , optical encode / decode technologies and OCDM code application .