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- Speckle Reduction;Image Compression; Wavelet Transform; Median Filter; Quadtree Classification; Trellis Coded Quantization. 01相干斑抑制;图像压缩;中值滤波;小波变换;四叉树分类;网格编码量化
- trellis coded quantization (TCQ) 网格编码量化
- A new model for speech compression was proposed based on adaptive predictive trellis coding quantization (APTCQ) algorithm. 摘要提出了一种新的基于自适应预测栅格编码量化算法的话音压缩模型。
- trellis coded quantization 网格编码量化
- Keywords Wavelet Transform, Embedded still image coding, Bit plane Coding, R-D Optimization, R-D slope, R-D threshold, MQ adaptive arithmetic coder, Universal Trellis Coded Quantization; 小波变换;嵌套式静态图像编码;位平面编码;率失真优化;率失真斜率;率失真门限;MQ自适应算术编码器;通用网格编码量化;
- STILL IMAGE QUANTIZATION USING TWO-DIMENSION TRELLIS CODED VECTOR QUANTIZATION 二维网格编码矢量量化及其在静止图像量化中的应用
- Key modules in modem are further researched, such as QAM, synchronization technology, AGC, trellis coded modulation, Viterbi Algorithm, adaptive equilazer etc. 研究调制解调器各个模块的相关理论知识，如QAM调制解调、码元同步、载波恢复、自动增益控制、网格编码调制、维特比(Viterbi)译码算法、自适应均衡等算法。
- Eigen-beamforming(EBF)technique and trellis coded modulation(TCM)concatenated with space time block code(STBC)are used to achieve code gain and diversity gain. 应用空时分组码特征波束成型技术和格形编码调制(TCM)来获得分集增益和编码增益。
- Iterative multi-user detection of trellis code multiple access using a posteriori probabilities. 关于多用户检测的一篇好文章，希望大家有用。
- Three kind of channel encode/decode technologies are researched which are TCM(Trellis Coded Modulation) and Viterbi decode, Reed-Solomn encode/decode and CRC(Cyclic Redundancy Check). 重点研究了ADSL系统的信道差错控制编码技术,包括Viterbi译码、Reed_Solomn译码和CRC校验(循环冗余校验)。
- At last we use the same concept to construct a multilevel trellis coded modulation and space time coded modulation for noncoherent decoding based on QPSK and it can have a good error performance too. 最后，将多层次的概念建构以QPSk做调变，可适用非同调解码的篱栅编码调变与时空编码调变，一样可达到良好的错误效能。
- A data aided symbol timing estimation algorithm was proposed for burst-mode space-time trellis coded multi-level continuous phase modulation(STTC-MCPM) systems in Rayleigh fading channels. 针对瑞利衰落信道中突发模式的空时网格编码的多电平连续相位调制(STTC-MCPM)系统,提出了一种基于数据辅助的符号定时估计算法。
- In this paper,a new trellis coded watermarking algorithm of trellis codes combine with constant robustness embedding is proposed. 将网格编码技术与固定鲁棒性嵌入相结合提出了一种新的网格编码水印算法。
- We review the structures of trellis codes with a delay processor and space-time coding in chapter 2. 我们在第二章中回顾具延迟处理器的篱栅码与空时码架构。
- Using the principle of trellis coding, analyses of coding modulation schemes of CCITT recommendations V.32 and V.33 are carried out. 本文用格状编码原理对CCITT(国际电报电话咨询委员会)V.;32和V
- Finally the future applications of space-time block codes (STBC), layered space-time codes (LSTC) and space-time trellis codes (STTC) are outlined. 最后对分组空时码、分层空时码、网格空时码进行了比较。
- It jointly uses the space-time trellis codes (STTC) and the space-time block codes (STBC) to achieve higher coding gain. 该技术采用子载波分组与线性预编码方案，通过适当的子载波分组，可以保证系统获得最大的分集增益，并使系统编译码的的复杂程度大为降低；
- Space-time trellis codes can provide the best tradeoff between bandwidth efficiency, diversity gain, constellation size and trellis complexity. 摘要空时网格编码能在频带利用率、分集增益、调制方式与编码网格图复杂度之间达到最佳的折衷。
- multidimensional trellis coded modem 多维格子码调制解调器
- multi-dimensional trellis coded modulation 多维网格编码调制
