The feasibility of multi-bit rate optical code division multiple access system is experimentally demonstrated.
实验验证了线性组合码多速率光码分多址接入系统方案的可行性。
The Optical Code Division Multiple Access (OCDMA) technology can provide broad bandwidth and multiple accesses.
光码分多址（OCDMA）技术可提供宽带宽和实现多址。
The design of two-dimensional optical orthogonal codes encoder and decoder in optical code-division multiple access system;
提出一种适用于光正交码作为地址码的光码分多址多用户干扰并行干扰抑制系统。
The scheme of hybrid WDM and optical code division multiple access (OCDMA) system is proposed and its blocking rate is analysed.
提出混合波分复用(WDM)和光码分多址(OCDMA)网络结构方案，并建立数学模型讨论该网络结构的阻塞率。
The distance of the optical code is detected, and the filter bandwidth is increased in relationship to the distance of the bar code.
检测光学代码的距离，与条形码的距离相关地增加滤波器带宽。
Then based on the optical code-cylinder, the analytical theory of maximum system capacity of 2-D OCDMA system is established in detail.
并根据光码柱面，建立了在光码集本身导出二维码码字容量的分析理论。
Phase encode spreading optical code division multiplex access (OCDMA) communication system is one of the research focuses in recent years.
相位编码扩谱光码分多址（OCDMA）通信系统是近年来OCDMA研究的热点之一。
As one of the most prospect schemes for all-optical networks realization, optical code division multiplex (OCDM) system arose people's attention increasingly.
作为实现全光网络的一种最有前途的方案之一，光码分复用(OCDM)系统正日益引起人们的关注。
In wireless optical code multiple access (W-OCDMA) network, Media access Control (MAC) is a key issue, which determines network performance, bandwidth efficiency, complexity and cost of terminal.
无线光码分多址(W -OCDMA)接入网中，数据链路层的媒质接入控制技术(MAC)至关重要，它直接影响网络的性能、带宽利用效率、终端设备的复杂度和成本。
Unlike previous ones, the e-passports contain biometric data embedded in a radio-frequency identification (RFID) chip, along with the usual mugshot and optical bar-code.
跟上一代不同，电子护照除了包含照片及光感条码之外，还记有生物体征数据，植在无线电频率识别(RFID)芯片上。
This has to match another encrypted key that is generated from a string of data scanned into the system from the optical bar-code printed in the passport.
这一密钥须同另一个密钥相匹配，后者是由印刷在护照上的条形码扫描入系统后生成的。
In Weitz's approach, droplets are injected with short strands of DNA of a known sequence, and these strands are labeled with an optical bar code.
韦茨的做法是注射已知序列的DNA短链到水滴中，这些链是用光学条码标签的。
The immigration officer still has to open the e-passport, read its contents and then swipe its bar-code through an optical reader to get the bearer's file up on a screen ready to ask a few questions.
移民官仍然得打开电子护照，阅读护照内容，然后用光感读码器刷条形码把持照人的档案读到显示器上，准备提几个问题。
This induction is amplified by the use of optical-pineal induction whereby the eyes are focused for a time upon the Image of the symbol code.
通过使用松果腺视觉感应(optical - pineal induction)，将双眼暂时聚焦在符号代码的图像上，纬卡代码的感应能被增强。
Sorting technologies in postal services, including optical character recognition (OCR), video complement and address check via bar code have reached the world's top level.
邮政光学字符识别（OCR）、视频补码、码址校验等分拣技术处于世界领先水平。
Since its worldwide introduction in 1975, CODE V has been instrumental in the development of advanced optical systems, sometimes with profound effects on business and culture.
由于它在1975年在全世界的推广，CODEV已经在开发先进光学系统的过程中起作用，有时在商务和文化方面具有深远的影响。
The presented absolute optical encoder is based on a serial encoding method with single code detector. Its working principle and structure is described.
提出了一种采用单读码器件的串行编码绝对式光学编码器，介绍了其工作原理和基本结构。
A method of H-D two-line analysis is given and isochromate equation of pseudo-color code of optical image is obtained.
本文提出了H-D双线的分析方法，得到了光学图象假彩色编码中的等色线方程。
The serial encoding method can reduce the diameter of the code disk and simplify the optical pattern, in favour of miniaturization and high precision of the absolute encoder.
与传统绝对式光学编码器相比，码盘直径小、光学图案简单，有利于绝对式编码器实现小型化和提高精度。
This paper points out the optical interference caused by code element lapping of the detected signal is art important factor affecting the reliability of the photoelectric reading hole.
本文指出被检测信号由于码元重叠引起的光干扰，是影响光电读孔可靠性的重要因素。
In this paper, a system based on a polarization code is proposed for dynamic optical interconnection and introduced a growth rule for the fully connected version of it.
文中提出一个基于偏振编码，适用于动态光互连的方案，并给出全连接系统的增长规律。
A digitized ruler with absolute code is adopted as the reference of the system, and the ruler is read by the reading system which is composed of optical system, CCD camera and computer.
该系统采用绝对码标尺做基准，使用由光学系统、CCD摄像机和计算机组成的读数系统来读取标尺数值。
Based on OOC code, this paper proposes a coding scheme of wireless optical CDMA by using prime frequency hopping.
以ooc编码为基础，利用素数跳频技术，提出一种三维无线光cdma编码方案。
The immigration officer still has to open thee-passport, read its contents and then swipe its bar-code through an optical reader to get the bearer's file up on a screen ready to ask a few questions.
移民官仍然得打开电子护照，阅读护照内容，然后用光感读码器刷条形码把持照人的档案读到显示器上，准备提几个问题。
The concepts of optical orthogonal code and two-dimensional optical orthogonal code are introduced , and their performance is analysed .
介绍了光正交码和二维光正交码的概念，并对其性能进行了讨论。
The optical and mechanical structure and principles of photoelectrical angle encoder areintroduced, furthermore, the design of code disk and the function of every code track are pre-sented.
本文介绍了光电轴角编码器光学、机械结构及原理；码盘设计及各码道功能；
A new optical profilometry linearly coded profilometry is presented. It USES a periodic linear structure illuminating light to code the surface and the phase shifting technique to decode the phase.
提出一种新的光学轮廓术线性编码轮廓术，它利用周期线性结构光编码三维物面，并辅以相移技术来解调相位。
Because of the enormous fading of the optical signal in underwater laser communication, the capacity of the error-correcting code must be well enough.
由于水下通信信道对光信号的衰减极大，实际通信系统的编码应具有极强纠随机差错和纠突发差错的能力。
Simulation results indicate that the optical orthogonal code block constructed by this method has fairly large code capacity and good relativity, and has a certain practical applicability.
结果表明，此方法构造的光正交码码组具有较大的码容量和良好的相关特性，有一定的实用性。
Simulation results indicate that the optical orthogonal code block constructed by this method has fairly large code capacity and good relativity, and has a certain practical applicability.
结果表明，此方法构造的光正交码码组具有较大的码容量和良好的相关特性，有一定的实用性。
应用推荐