LDPC码是一种优良的差错控制编码。
差错控制编码理论是现代通信的一个重要理论范畴并在实际中有广泛的应用。
Error-control coding theory is one of the important categories in modern communication, and used widely in practice.
在发送端,主要研究了差错控制编码,波形成形、扩频和8PSK调制等关键技术;
On the sending end, the paper focuses on Error Control Coding, Waveform Shaping, Spread Spectrum and 8PSK modulation, etc.
本文所研究的多重级联奇偶校验码就是这种类型的具有很强纠错能力的差错控制编码。
The Multiple Concatenated Parity Check-Code studied in this paper is this type of code, which has strong error-correcting ability.
这些关键模块包括基带系统中的差错控制编码和维特比译码,成形滤波,FFT变换等。
These modules were comprised of the realization of FEC and the decode of Viterbi, the shape of base-band wave, FFT and so on.
对数据通信中的差错控制编码技术——循环冗余码和海明码进行了详细的讨论和研究,并加以实际应用。
A coding technology of error control on data traffic——cyclic redundancy code and Hamming code——isdiscussed and investigated.
本文通过MATLAB编程实现正交频分复用(OFDM)的系统仿真,系统采用卷积码和交织码级连的差错控制编码。
This test realized emulational system of OFDM through MATLAB programming, adopted error control coding of concatenation of convolutional codes and interlaced codes.
以高斯噪声信道和电力线信道为例,用本仿真系统分别计算出了无差错控制编码和有差错控制编码情况下误码率与信噪比的关系。
In Gaussian noise channel and power line channel, this emulational system calculate out relationship between bit error rates and signal to noise ratios.
本文主要介绍最近研制的露天矿卡车计算机调度系统和信息编码方式及差错控制技术。
In the paper, the truck dispatching system computer-based and the character code mode of encoding and the error control were introduced.
由于采用了这种前向差错控制(FEC)信道编码技术,使得CDMA系统具有了较好的抗远近效应性能。
The CDMA system attains the better performance of resisting near-far effective because of employing this forward error control (FEC) channel coding technology.
针对随机线性网络编码,提出点-点检错和端-端重传相结合的差错控制方法。
Aiming at random linear network coding, this paper proposes an error control method which combines point-point checking error and end-end retransmission.
从几种不同差错控制方案的比较来看,采用分段编码和交织技术能有效地改善MB通信系统的性能。
Comparison of several different schemes of error control shows that the performance of MB communication systems can be effectively improved by using the technique of segmental coding and interleaving.
针对在较高误码率条件下JPEG2000图像传输质量急剧下降的缺陷,引入RS编码进行差错控制。
The quality of JPEG2000 image is seriously degraded when the bit error rate becomes rather high, so RS coding is added in the system for error control.
这里介绍了R M码的生成矩阵的由来,TFCI详细编码过程和采取的简易差错控制方法,并给出了具体实现流程。
This paper introduces the cause of born matrix of the RM code, the detailed coding process of TFCI and the simple method for mistake control, also it gives the implementing process in a special way.
提出一种用于煤矿生产安全监测监控系统中数字传输差错控制的编码方法,并给出实用程序流程图。
The paper presents a coding method need for digital transmission fault control in coal mine production and safety monitoring system, and also gives a flow chart of practical program.
作为数字通信系统中一个重要组成部分,信道编码技术为保证通信的可靠性发挥着重要作用,广泛应用于数字通信的抗干扰和差错控制之中。
As a important part of digital communication system, channel coding technology is applied abroad in anti-jamming and error control in digital communication for protecting communication dependability.
该模型依照资源预定协议,并采用混合差错控制方式,将前向纠错编码技术加以完善,增加了重传机制。
This transport model improves forward error correction-coding technology with adding a retransmission function in it. This model bases on both resource reservation protocol and hybrid error control.
作为差错控制系统计算机模拟的实例,还对十分重要的链接编码系统的模拟及其结果进行了讨论。
Especially, the simulation methods of very important concatenated coding systems are discussed in detail and the simulation results are given a 'nd analysed.
差错控制可以在信源编码和信道编码的各个环节进行,如:预测、变换、量化、可变长编码、比特流结构、复用以及解码等。
Error control can be done in any step such as prediction, transform, quantization, VLC, bitstream syntax structure, channel coding, decoding and etc.
提出一种不等级别差错控制(uec)方案,以实现对JPEG2000图像编码码流中不同质量层的不等级别差错保护。
An unequal error control (UEC) scheme is proposed to provide unequal error protection for different layers of JPEG2000 encoded multilayer bit streams.
主要讨论在网络差错控制中,异步总线的延迟不敏感编码的基于比较的实现问题,即校验码的位数≥数据的位数;另外编码还必须满足初始化条件。
The article introduces the implementation issues of asynchronous logic underlying comparison-based error control for systematic delay-insensitive codes in the networks.
文中对监控系统的硬件结构、通信协议、信息编码方案及通信软件的设计进行了详细的阐述,并从理论上讨论了信息编码方案的差错控制性能。
The hardware construction, communication protocol, signal coding schemes and the communication software are described in detail, and the performance of the error control schemes is analyzed in theory.
文中对监控系统的硬件结构、通信协议、信息编码方案及通信软件的设计进行了详细的阐述,并从理论上讨论了信息编码方案的差错控制性能。
The hardware construction, communication protocol, signal coding schemes and the communication software are described in detail, and the performance of the error control schemes is analyzed in theory.
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