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312B89F0
- 一种有意义的图像水印算法王振武 ,刘九芬 一,黄达人(1.中山大学计算机科学系,广东广州5102752.中国科学院自动化所模式识别国家重点实验室,北京1000803.中山大学科学计算与计算机应用系,广东广州510275)摘 要:提出了一个基于小波变换的有意义图像水印算法。该算法在512×512×8 bits图像上嵌入了一个536bits的有意义字符串,水印检测时不需要原始图像,并借助于模板、登记图像的大小、纠错编码和二维交织技术,水印不但可以对抗一般的信号处理,还可以抵抗缩放、改变长宽比、伴随着
MSE
- 多径信道下的OFDM仿真系统,包括编码,映射,交织,调制。信道估计采用判决反馈方法。
rs
- 这是RS编码和字节交织的程序,该程序用来研究R-S码结合交织技术的纠错能力。-This is the RS coding and byte interleaving of the program, the program used to study the RS code combined with interleaving error correction capability.
3GPPinterleaver
- 3GPP interleaver 3gpp 交织器 ,混淆输入循序,与LTE可对比 可应用于turbo等编码中-3GPP interleaver 3gpp interleaver, enter the progressive confusion, can be compared with the LTE can be used in turbo coding, etc.
yjzcpk
- gsm tchfs语音信道传送接收过程仿真,包括外编码卷积码交织过程-GSM TCHFS voice channel transmission receiving process simulation, including coding convolution code outside the weaving process
czde-program
- GSM信道仿真源程序,包括各个模块(交织器,卷及码,外编码)和全信道程序-GSM channel simulation source program, including the various modules (intertwined, volume and code, code) and the whole channel program
BNXH
- GSM信道仿真源程序,包括各个模块(交织器,卷及码,外编码)和全信道程序-GSM channel simulation source program, including the various modules (intertwined, volume and code, code) and the whole channel program
realaxecute
- 完整的GSM信道编码 为话音信道的卷积编译码 还有交织,很好的-Complete the GSM channel coding for convolution whose voice channel decoding And interweave, very good
819538
- gsm tchfs语音信道传送接收过程仿真,包括外编码卷积码交织过程-GSM TCHFS voice channel transmission receiving process simulation, including coding convolution code outside the weaving process
15350958
- GSM信道仿真源程序,包括各个模块(交织器,卷及码,外编码)和全信道程序-GSM channel simulation source program, including the various modules (intertwined, volume and code, code) and the whole channel program
06153941
- GSM TCH全速话音信道仿真基带,包括内外编码,交织,不错额-GSM TCH voice channel simulation baseband at full speed, including inside and outside the coding, interweave, good balance
Mvxjd__signal
- 交织编码是一种信道改造技术,它通过信号设计将一个原来属于-Mixed coding is a channel transformation technology, it through the signal will be a belongs to the original design
qxwufe
- 交织编码是一种信道改造技术,它通过信号设计将一个原来属于(Mixed coding is a channel transformation technology, it through the signal will be a belongs to the original design)