1) dividing the head of code
码头分组
1.
CAVLC decoder optimizing based on dividing the head of code
基于码头分组的CAVLC解码算法优化
2.
2 the code of reference decoder,it puts forward a kind of fast variable length entropy decoding method by dividing the head of code with the use of idea looked-up-by-dividing.
264熵解码模块进行了研究,在分析了CAVLC码表特征后,利用分组优化查表思想,提出了码头分组的快速变长熵解码方法。
2) block cipher
分组密码
1.
Partition linear cryptanalysis for block cipher;
分组密码的分区线性分析法
2.
Study of a kind of hybrid encryption system based on both stream and block ciphers;
序列密码和分组密码的混合加密体制研究
3) block codes
分组码
1.
GAC structure decreases the complexity of trellis decoding of block codes.
广义阵列码 (Generalizedarraycode)简化了分组码的网格构造 ,本文将一种基于此结构的分组码的最大似然译码在Rayleigh衰落信道中进行了尝试 。
2.
A new decoding method of block codes different from conventional algebric de- coding is applied to Rayleigh fading channels in this paper.
摆脱了传统代数译码方法,对分组码进行基于广义阵列码(GAC)结构 的网格译码(Trellis decoding),研究了 Rayleigh衰落信道中分组码与这种软判决最大 似然译码方法相结合的性能。
3.
The required modulo operation in this paper is simpler and the constructed block codes are able to correct one additive error.
由此获得三维信号空间并可用来构造分组码。
4) block code
分组码
1.
The undetected error probability of linear block codes for both error detection and correction is estimated with importance sampling.
研究用重要性抽样仿真方法估计线性分组码同时纠错和检错时的不可检错误概率。
2.
It has the advantages of pure block codes and convolutional code,with high transmission efficiency,low delay and high performance.
针对固定长度报文的差错控制,设计了一种新型分组卷积码,它结合了分组码和卷积码的优点,具有高传输效率、低时延及高可靠性的特点。
3.
This paper presents a project about infraframe convolutional interleaving encoding of block code based on convolutional interleaving encoding of block code.
文章在分组码卷积交错编码的基础上,提出了一种分组码的块内卷积交错编码实现方案,并结合编码实例讨论了该编码方案的纠错性能。
5) block ciphers
分组密码
1.
Based on the analysis of 41 popular block ciphers,the paper researches the features of 4 of kinds of popular substitution boxes,which are 4×4,6×4,8×8 and 8×32,and analyzes the realization mode of the substitution boxes.
在分析DES,AES,IDEA等41种分组密码算法结构的基础上,研究了4×4,6×4,8×8,8×324种常用S盒替代的操作特征和S盒的实现方式。
2.
Based on this looping structure of block ciphers, this paper studies the following three architecture options, that is, iterative looping, loop unrolling and partial pipelining, analyzes the performance parameters of the three implementations structures and then discusses three implementation options on 3DES algorithm respectively.
针对分组密码算法,研究了反复循环、循环展开和流水线三种实现结构,分析了三种结构下系统的资源占用、吞吐率、最高工作频率等参数,以求在各种不同应用环境,找出满足其需求的实现方案。
6) group coding
分组编码
1.
This paper puts forward a new blind digital image watermarking arithmetic based on quantization and pattern group coding.
提出了一个新的基于量化抖动和模式分组编码的盲数字图像水印算法,该算法首先在DWT(离散小波变换)的第二层中频子带中随机选取相应位置的绝对值最大的系数作为水印的嵌入区间,对小波系数进行量化并根据分组编码原理生成预嵌入模式,然后将一个二值水印图像嵌入到模式当中。
2.
It introduces a new blind digital image watermarking algorithm based on the group coding and resolution adjustment.
提出了一个新的基于分组模式编码和分辨率调整的盲数字图像水印算法,该算法首先在图像的空间域中随机选取相应位置系数的比特位作为水印的嵌入区间,对选出的比特位根据分组编码原理生成预嵌入模式,然后将一个二值水印图像嵌入到模式中并对其进行分辨率调整。
补充资料:电话簿分组
电话簿分组功能是将现有电话簿根据用户需要,自定义分组的一种电话簿附加功能。
这种功能的好处是用户可更容易的通过分组找到想找的人的电话号码和相关信息;另外,当用户想给一些人发同一短信时可以按组发送,免去了逐个读取电话号码的繁复工作(需手机具备群发功能)。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条