| 1. | Space - time trellis coding for uwb systems based on different modulations
基于多种调制方式的超宽带空时网格编码 |
| 2. | In chapter 4 , the coding and modulation for lmds system are discussed , which pays emphasis on the pragmatic tcm coding and modulation scheme
第四章对lmds系统中所要用到的调制解调技术进行了探讨。重点讨论了ptcm实用网格编码调制。 |
| 3. | At last , conclusions are drawn on these algorithms . based on scalar quantization of chapter 2 , chapter 4 introduces trellis coded quantization to improve quantization gain
第四章是在第二章标量量化的基础上引入网格编码量化的方法以进一步提高量化增益。 |
| 4. | Coded modulation technique is a hot issue in code field in recent 20 years . it appeared in 1982 when ungerboeck proposed tcm theory . and then it apply widely soon
编码调制是近二十年来编码界的一大热点,它的出现是以ungerboeck在1982年提出网格编码调制( tcm , trelliscodedmodulation )理论为标志。 |
| 5. | For making gesture recognition more robust , the grid - coding based recognition algorithm is used and the matching algorithm is improved . in addition , a primary set of gestures for sketching is proposed
采用网格编码的手势识别方法，对匹配算法做了改进，使得手势笔划识别起来简单易行，并初步设计一套手势集。 |
| 6. | The scheme of implementation of error correcting codes is proposed for the vhf / uhf software radio transceiver , which consists of bch encoder , tcm encoder , interleaver in the transmitter and their counterparts in the receiver : bch decoder , viterbi decoder and deinterleaver
该部分包括发射端的bch编码、 tcm网格编码、交织，以及在接收端相对应的bch译码、 viterbi译码、解交织等。 |
| 7. | This article studys the key algorithm of video coding and implements the h . 263 and mpeg - 4 based on dt - mesh according to the standards of itu - t and iso / iec . firstly , two new algorithms based on analysis of the standards h . 263 syntax are proposed
本文研究了视频编码的关键算法，并根据视频编码标准的要求在改进一些关键算法的基础上分别实现了适用于可视电话的h . 263标准和适用于多媒体业务的mpeg - 4标准中基于dt网格编码部分。 |
| 8. | This chapter first introduces the principium of trellis coded vector quantization , then focuses on analyzing the algorithm of wavelet image classified weighted tcvq and its realization process , also gives tcvq application to wavelet image coding and its simulation results
首先分析了网格编码矢量量化的原理，在第三章矢量量化的基础上详细介绍了小波图像分类加权tcvq算法的原理和实现过程，并给出了tcvq在小波图像量化中的应用实例和仿真结果。 |
| 9. | Since the fundamental idea of tcq originates from trellis coded modulation , in order to comprehend tcq , it firstly introduces tcm . also , because viterbi decoding algorithm is the key of coding gain of tcm and tcq , it particularly introduces convolutional coding and viterbi decoding algorithm
由于tcq的基本思想源于tcm ，较好地掌握tcm的思想有助于深刻理解tcq ，所以首先介绍了网格编码调制；维特比算法是tcm和tcq提高编码增益的关键，文中对tcm和tcq都要用到的卷积编码和维特比译码也作了详细的介绍。 |
| 10. | The technology of trellis coded modulation ( tcm ) and viterbi decoding which could achieve high transmitting rate at a low bit ' error rate are demonstrated in detail . and then the design and achievement of itu - t v . 32 modem that based on one - dimensional tcm are expatiated . the paper also discusses the multi - dimensional tcm the itu - t v . 34 modem that based on it and tcm ' s application in the carrier communication
文中深入研究了可保证一定误码率的情况下能实现较高传输速率的网格编码调制( tcm )技术和维特比译码技术，阐述了基于单维网格编码调制的itu - tv . 32modem的设计和实现，讨论了多维网格编码调制技术和基于其的itu - tv . 34modem ，并对网格编码调制在载波通信中的应用作了简单介绍。 |
