但是这种正交性却被多径衰落信道破坏，产生了多码道干扰，严重影响了系统高速传输数据的性能。
The orthogonality, however, is impaired by multipath fading channels, thus causing multicode interference (MCI) and deteriorating the system's performance at high data transmission rates.
论述数字电视系统的关键技术，对传输码流参数进行分析，提出码流分析仪在有线数字电视系统中的应用方法。
The paper discusses key technologies of the digital television system, analyzes the TS parameters and clarifies the application methods of Transport Stream Analyzer in digital cable television system.
移动通信系统中的信号传输方法，发射机，接收机和扩展码同步法。
Signal transmission method, transmitter, receiver and expanding code synchronous method in mobile communication system.
移动通信系统中的信号传输方法，发射机，接收机和扩展码同步法。
Signal transmitting method, transmitter, receiver and spread-code synchronizing method for mobile communication system.
空时码的提出为解决无线通信系统中的传输速率问题提供了一条新思路，目前已经成为通信研究的一个热点。
Space-time code indicates a new idea of providing high transmission rate in wireless communication systems and has recently received considerable attention.
在图像通信中，扰码可以很好地抑制静态图像的抖动，能使数字传输系统对各种数字信息具有透明性。
Image communication, code can be used to inhibit the static image jitter; enable digital transmission system for all digital information is transparent.
提出了多载波码分多址测控通信系统的概念。该系统不但能完成伪码精确测距，而且能进行高速数据传输。
This paper puts forward the concept of MC CDMA system, that can both measure distance accurately with PN code and transmit High speed data.
HDB3码是基带传输系统中经常采用的传输码型。
HDB3 code is ordinary adopted in the baseband transmission system.
针对宽带无线通信系统对高可靠性和高速率数据传输的要求，本文介绍了一种基于LDPC码的MIMO - OFDM宽带无线通信系统模型。
Aiming at the requirement for reliability and very high data rate transmission for broadband wireless communication, a LDPC coded MIMO-OFDM system model was proposed.
在无线通信系统中，信号在传输过程中由于多径效应和信道带宽的有限性以及信道特性的不完善性导致不可避免地产生码间串扰。
In radio communication system, because of multipath effect and the finity of channel bandwidth and incomplete channel, intersymbol interference (ISI) is inescapability during the data transfer.
但由于空时分组码受正交条件限制，传输效率得不到提高，而BLAST系统存在差错传播制约着误码率的下降。
But the data efficiency of STBC is restricted to orthogonal transmission and the bit error rate of BLAST is high due to the error propagation.
提出一种数字传输系统中帧同步码的检测方案，利用容错技术和非容错技术相结合来实现帧同步码检测。
We combine the error-tolerant technology with no error-tolerant technology to carry out the detection of the frame synchronization code.
基于对数字电视地面传输系统复杂度和性能代价的综合考虑，提出以符号变换为基础的IC I自消除模块替换卷积码模块。
Based on synthesis consideration of complexity and performance cost, this paper proposed a modified scheme of using the ICI self-cancellation module to replace the convolutional coding module.
基于网络的数据传输安全问题是信息安全领域的重要课题之一，本文在分析现有数据加密方法的基础上，在数据传输系统中应用一种基于分组密码新概念的新算法—排列码加密算法。
In this paper, a permutation code security algorithm based on the block cipher that is widely used in the data transmission system is put up after carefully studied the current encryption methods.
带传输系统中常需要进行NR Z码和HDB3码间的相互转换。
In baseband transmission system, the transform between NRZ and HDB3 is usually needed.
利用CAN总线数据帧的标识码设置传输报文的优先级，通过设计优先级晋升算法来改善多轴嵌入式数控系统报文数据通信的实时性和有效性。
The key design techniques of CAN interface were discussed. The priority of the transmitting message was set in terms of the identification code of CAN frames.
在高速传输系统如sdh中，需要用到并行扰码技术。
In high speed transmission system such as SDH, parallel scrambling technique is required.
WCDMA系统提出了单码和多码两种多速率传输方案。
Single code and multiple code transmission schemes which can provide variable rate services are presented in a WCDMA system.
MPEG - 4系统是当前流行的一种多媒体编码方式，广泛的应用于低码率传输，如何在网络上实时传输MPEG - 4码流是当前的一个研究热门，也是未来网络多媒体的一个重要的研究方向。
MPEG-4 is a very popular multimedia codec, which used in the low bit-rate transport in the network, how to transport MPEG-4bit-stream in the network real-time is a hotspot of research.
MPEG - 4系统是当前流行的一种多媒体编码方式，广泛的应用于低码率传输，如何在网络上实时传输MPEG - 4码流是当前的一个研究热门，也是未来网络多媒体的一个重要的研究方向。
MPEG-4 is a very popular multimedia codec, which used in the low bit-rate transport in the network, how to transport MPEG-4bit-stream in the network real-time is a hotspot of research.
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