In order to improve watermarking robustness against distortions and attacks , it is natural to envision the use of error correcting codes ( ecc ) 为了改进水印抵抗失真和攻击的鲁棒性,利用纠错编码是很自然地被想到的。
To implement the snps acquisition , the new satellite signal frame form , modulation and error control codes are designed 本文还提出了卫星导航定位信号的快捕获方案,设计出利于实现长码快捕获的卫星信号格式,调制方式和纠错编码方案。
Real - time transport with dynamic error correction code utilizes error correction methods that vary with current packet loss rate and packet error rate of network 该技术是在多媒体数据的实时传输中,依据网络丢包率和包错误率情况,动态的使用不同纠错编码方案的实时传输技术。
We do this by adopting fpga plus arm . in the system , the source coding and error correction are fulfilled by fpga , and network protocols are fulfilled in mcu unit 基于网络传输的视频系统的编解码部分采用套片实现,纠错编码通过fpga完成,网络部分的上层协议部分在mcu中完成。
Low density parity check ( ldpc ) code , which is a special case of error correction code with sparse parity - check matrix , has the performance very close to the shannon limit Ldpc码是一种特殊的具有稀疏校验矩阵的纠错编码,其性能逼近香农限。这种码具有实现复杂度低和数据吞吐量高的优点。
The merged blue print for digital terrestrial television broadcasting which suits to the developing status of dtv in china is a standard of the chinese dtv - t . ldpc code is used as fec 中国地面数字电视广播融合方案是根据中国数字电视发展现状提出的一套地面数字电视标准,其中使用ldpc码作为前向纠错编码。
In these years , many new technologies are developed and applied to joint coded modulation systems , such as new error - correcting codes , space - time modulation on mimo channels and iterative decoding algorithm 近年来,随着新的纠错编码、 mimo空时调制以及迭代译码方式的出现,联合编码调制方案的设计正成为普遍关注的热点。
Recently , much interest of the coding community has focused around a new family of error - correcting codes , called turbo codes , whose perfor - mances in terms of bit error rate ( ber ) are close to the shannon limit Turbo码作为一种新型的纠错编码类型备受通信界的注目,它的纠错能力能够接近shannon极限。 turbo码自1993年由c
This technique can enhance the computing performance greatly . we also proposed a self - error - correction quantum storage architecture . it references the research on quantum error - correction code , and can build a reliable storage system 借鉴量子纠错编码的研究成果,提出了自纠错的可靠量子存储系统方案,为协同量子计算机提供了可靠的存储系统。
Meanwhile , a looking - up database method used for yielding pdf47 error correcting codes has been developed , which makes it easier and more accurate to compute the coefficients of the generating polynomial and results of syndrome polynomials 同时提出一种适用于pdf417纠错编码和译码的查表方法,可以简单确定任意码字在gf ( 929 )内所对应的本原元的幂次。