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- 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。
- 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。
- 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。
- 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。
- The MTF of the same lens in the different space frequency is measured, the results agree well with the practical results. 对同一双胶合透镜在不同空间频率下的MTF值进行了测量，所得结果与实际值基本吻合。
- Objective To explore the curative effects of picture visual evoked potential(PVEP) space frequency stimulation therapy on amblyopia. 目的观察图像视觉诱发电位(PVEP)自率空间频率眼、脑联合训练疗法治疗儿童弱视的疗效。
- According to optical transfer function, degree of modulation and apperceive degree of space frequency vision vs object image, TIFF grayscale scenograph is made. 根据光学传递函数、调制度和空间频率视觉及对物象的感知程度，制作TIFF格式透视灰度图。
- 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。
- In this paper, two fractionally-spaced space frequency equalization schemes for the downlink of broadband single-carrier multi-user MIMO-CDMA system are proposed. 该文提出了两种适用于宽带单载波多用户MIMO-CDMA系统下行链路的分数间隔空频均衡接收方案，并进行了理论推导。
- G. can be attained, and that in order to enhance S.S.G. for a given saturation efficiency, the changing rate of grating space frequency should be chosen properly. 在保证一定的饱和抽取效率情况下，为了提高小信号增益，应适当地选取光栅的空间频率变化率。
- 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。
- 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。
- 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；
- Two popular space-time codes, space-time block code (STBC) and space-time trellis code (STTC), are investigated in [1] and [2] for flat fading channels without intersymbol interference. 它可以分成两大类:时空区块编码和时空篱栅编码。
- A form of frequency modulation in which the carrier frequency is shifted between a mark frequency and a space frequency in response to the impressed intelligence signal ( frequency-shift keying ). 频率调制的一种方式,其中载波频率在标志频率和场频率之间移动,以响应外加的情报(数据)信号。
- Compared with the conventional frequency domain equalization schemes, the proposed fractionally-spaced space frequency equalization ones have better performance with low complexity. 仿真结果表明，这两种分数间隔空频均衡接收方案都比传统的频域均衡接收方案在性能上有很大的提高，并且复杂度也比较低。
- 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
- 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。
- 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
- rotationally invariant trellis codes 旋转不变码
