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error correcting coding
相关语句
  纠错编码
     To improve the robustness of watermarks, some algorithms proposed to apply error correcting coding (ECC) in watermarking, intending to lower the detection error rate by correcting some errors.
     为了改善水印稳健性,一些学者在水印算法中引入了纠错编码(error correcting coding,简称 ECC),试图通过纠正水印误码来降低检测误码率.
短句来源
     A Blind Image Watermarking Algorithm Based on Error Correcting Coding and Interleaving Technique
     一种基于纠错编码和交织的盲水印算法
短句来源
     Error correcting coding(ECC) is applied in the procedure of watermarking embedding and extraction according to the feature of the digital watermarking channel and constructs the function to get the uniform coding rate of ECC.
     从数字水印信道的特点出发,将各种纠错编码(error correcting cod ing,简称ECC)应用于水印的嵌入与提取中,并通过构造函数的方法构造出统一的综合码率进行有效的对比.
短句来源
     The result of the experiments indicate that anti-fading technique is so necessary for fading channel ,and Turbo Code is an effective error correcting coding technique.
     在多径衰落信道环境下,仿真了在不同编码长度和不同的移动台运动速度下Turbo码的性能,可以看到抗衰落技术对于衰落信道而言是十分必要的,而Turbo码不失为一种有效的纠错编码方法。
短句来源
     This paper combines the channel error correcting coding (convolutional code & Turbo code) with MC CDMA systems,thus sufficiently exploits the excellent performance of error correcting coding (especially Turbo code) under low SNR.
     将信道纠错编码 (卷积码和Turbo码 )技术与MC CDMA系统相结合 ,充分利用了纠错编码(特别是Turbo码 )在低信噪比时的优异性能 ,大大提高了系统的纠错能力。
短句来源
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  纠错码
     This paper addresses the watermarking based on error correcting coding (ECC).
     本文主要研究基于纠错码的数字水印。
短句来源
     So to improve the robustness of watermarking , the paper applies all kinds of error correcting coding (such as hamming code ,BCH code ,RS code and the convolutional code) in watermarking, intending to lower the detection error rate by correcting some errors. However, it doesn't work well.
     本文主要研究了使用纠错码方法(如汉明码、BCH码、RS码和卷积码等)对水印结构进行预处理来提高水印的健壮性。
短句来源
     It provides a theoretical basis for research of watermarks based on the error correcting coding.
     比较详细的介绍了纠错码涉及到的数学基础知识,及各种常见纠错编码的编码和译码原理,并且通过计算提取出的水印误码率公式说明了影响水印提取的重要因素,为基于纠错码的水印研究提供了理论依据。
短句来源
  纠错编码的
     Image Watermarking Method Based on Error Correcting Coding
     基于纠错编码的图像数字水印技术
短句来源
     Study on the Image Watermarking Method Based on Error Correcting Coding
     基于纠错编码的图像数字水印技术的研究
短句来源
     In the early 80s, Ungerboeck introduced a new viewpoint, named as Trellis Coded Modulation (TCM), according to the character of modulation /demodulation and error correcting coding.
     80 年代初, Ungerboeck 根据调制解调与纠错编码的特点,提出了一种新的思想,称作网格编码调制,记为TCM(Trellis Coded Modulation)。
短句来源
     It provides a theoretical basis for research of watermarks based on the error correcting coding.
     比较详细的介绍了纠错码涉及到的数学基础知识,及各种常见纠错编码的编码和译码原理,并且通过计算提取出的水印误码率公式说明了影响水印提取的重要因素,为基于纠错码的水印研究提供了理论依据。
短句来源
     Finally, numerical results of BER are analysed and implementation of error correcting coding is presented to improve the reliability of the AJES system.
     最后 ,对误比特率的数值结果进行了分析 ,并提出了采用纠错编码的方法来改善 AJES系统的可靠性。
短句来源
  “error correcting coding”译为未确定词的双语例句
     The technology of error correcting coding and the design of long-distance monitoring system
     纠错编码技术及远程监测系统的设计
短句来源
     Design of Error Correcting Coding Technique in Frequency Hopping Communications
     跳频通信中纠错编码技术的设计
短句来源
     Digital Image Watermarking Algorithm Based on Error Correcting Coding
     基于差错控制编码的数字水印
短句来源
     Third,the paper researches the watermarking technology based on image discrete cosine transform (DCT), and puts forward to an algorithm for adaptive blind watermarking techenology based on DCT and error correcting coding. Afterward , The influences of parameter a on invisibility and robustness are fully analysed in theory, and the theoretic inferior limit of peak signal-to-noise ratio between watermarked image and original cover image is estimated.
     接着研究基于图象离散余弦变换的数字水印技术,提出了一种基于纠错编码技术的图象离散余弦变换域自适应盲水印算法,并从理论上详细分析参数α对不可见性和鲁棒性的影响,给出了含水印图象和原始载体图象之间的峰值信噪比的理论下限;
短句来源
     Using the technology of error correcting coding, this paper analyzes adaptabilities about the constant ratio code and the odd-even check code It expounds the design of the long-distance monitoring system and hardware-software using the technology The autocontrol, the long-distance communication and the antijamming are discussed
     本文应用纠错编码技术 ,分析了恒比码和奇偶校验码的适用性 ,介绍了运用这一技术开发的远程监测系统及软硬件的设计 ,讨论该系统的自动控制、远程通讯、抗干扰等问题。
短句来源
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  error correcting coding
The purpose of these notes is to provide a practical introduction to forward-error correcting coding principles.
      
The most effective means to increase the digital information veracity is the usage of error correcting coding.
      
The algorithm in WaveMark uses discrete wavelet transforms and error-correcting coding schemes to provide robust watermarking of digital images.
      
They use Error Correcting Coding Theory ideas to motivate their method but provide little hard theory.
      
To achieve these requirements an OFDM system with concatenated error correcting coding has been specified.
      
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In this paper, a new technique for combining a kind of high-efficient modulation with high-efficient error-correcting coding is introduced, and a given modulation method combined with R=1/2convolutional code in real-time digital system of picture transmission is studied and practised. (7, 5) convolutional code and mapping rule—Galay mapping is selected according to coding-mapping rule, and finally, transmission results in radio channel are given.

本文介绍了一种将频带利用率较高的调制方式与高效纠错编码结合的新技术,并且就具体的数字静态图象传输系统中给定的调制方式,对R=1/2的卷积码进行了探讨和实践,根据编码—映射规则选择了(7,5)码以及映射规则—格雷映射,最后给出了无线信道的传输实验结果。

In this paper, we present a series of important applications of error-correcting codes to modern cryptology, espically to the construction of public key、secret key cryptosystems, secret sharing schemes, digital signature schemes, etc., according to the research background and recent development of joint encryption and error correcting coding. We also analyse some problems in these applications, and point out several remained research problems

本文根据近年来加密与纠错码相结合的国内外研究背景及进展,阐述了纠错码在现代密码学,尤其是在构造公钥、私钥密码体制,密钥保管及数字签名等方案中的一系列重要应用,最后指出了几个有待继续研究的课题。

This paper proves that a good linear block error-correcting code implements a good linear local-random sequence generator. Therefore the close relation between error-correcting coding theory and modern cryptography is discovered once again.

本文证明了好的线性分组码的编码器可作为好的线性局部随机序列发生器(具体含义见定理2之后的说明)。此结论再一次揭示了纠错编码理论与现代密码学之间的有机联系。

 
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