trellis code中文什么意思

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用"trellis code"造句

格碼
格式碼

trellis: n. 格子；格子墻[籬]；格子涼亭；(葡萄等的)棚架；【 ...
code: n. 1.法典；法規(guī)。 2.規(guī)則，準(zhǔn)則；(社會、階級等的 ...
trellis: n. 格子；格子墻[籬]；格子涼亭；(葡萄等的)棚架；【建筑】格(子結(jié))構(gòu)。 vt. 裝格子(在窗上)；用棚架支撐。
lattice trellis: 格子垣
roof trellis: 屋頂花架

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例句與用法

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 ，較好地掌握tcm的思想有助于深刻理解tcq ，所以首先介紹了網(wǎng)格編碼調(diào)制；維特比算法是tcm和tcq提高編碼增益的關(guān)鍵，文中對tcm和tcq都要用到的卷積編碼和維特比譯碼也作了詳細(xì)的介紹。
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證一定誤碼率的情況下能實(shí)現(xiàn)較高傳輸速率的網(wǎng)格編碼調(diào)制( tcm )技術(shù)和維特比譯碼技術(shù)，闡述了基于單維網(wǎng)格編碼調(diào)制的itu - tv . 32modem的設(shè)計(jì)和實(shí)現(xiàn)，討論了多維網(wǎng)格編碼調(diào)制技術(shù)和基于其的itu - tv . 34modem ，并對網(wǎng)格編碼調(diào)制在載波通信中的應(yīng)用作了簡單介紹。
Space - time codes can be divided into tree mainly parts : bell layered space - time architecture ( blast ) , space - time trellis codes ( sttc ) and space - time block codes ( stbc ) . in this paper , we mainly compare the performance of blast and stbc in many aspects , such as design criterion , transmission rate , diversity gain , diversity combining , bit error rate and channel capacity etc . in this paper , we first respectively analysed the instantaneous received symbol energy - to - noise ratio of v _ blast in the diversity combining methods of maximal ratio combining ( mrc ) , equal gain combing ( egc ) and selective combing ( sc )
Mimo技術(shù)核心是空時編碼( stc ) 。空時編碼主要分為三種:分層空時碼( blast ) 、空時格碼( sttc )和空時塊碼( stbc ) 。本文主要對分層空時碼和空時塊碼這兩種編碼方式在設(shè)計(jì)準(zhǔn)則、傳輸速率、分集增益、接收合并、比特差錯率和信道容量等方面進(jìn)行了較為詳盡的研究。
Based on the analysis of image wavelet transformation and the space / frequency distributing characteristics of different subbands " coefficients , this dissertation fully exploits the following theories and methods : scalar quantization , vector quantization , trellis coded quantization , trellis coded vector quantization , vector classification , codebook expansion and weighted mean square error rule basing mankind visual characteristics , etc . from different angles of information amalgamation , it develops several innovative algorithms of image compression and coding , gives their realization schemes , and makes plentiful simulation tests
本文在分析了圖像小波變換的原理和子帶系數(shù)空間及頻率分布特點(diǎn)的基礎(chǔ)上，充分利用標(biāo)量量化、矢量量化、網(wǎng)格編碼量化、網(wǎng)格編碼矢量量化、矢量分類、碼書擴(kuò)展和基于人眼視覺特性的加權(quán)均方誤差準(zhǔn)則等思想和方法，從信息融合的不同角度展開了對小波圖像的壓縮編碼研究，同時也討論了這些方法在靜止圖像量化中的具體應(yīng)用。
The paper discusses the part of asic design of tcm ( trellis coded modulation ) in hdtv 8vsb terrestrial channel broadcasting receiver chip . in testing , the tcm can improve the signal - to - noise by 3 . 3db compared with uncoded 4 - vsb modulation , and with the 12 path intrasegment interleaving in tcm coding and viterbi decoding , system can control short burst noise error efficiently
在高清晰度電視信道接收芯片中內(nèi)碼是8 ? vsb的格狀編碼，在系統(tǒng)性能上使用tcm編碼要比未編碼有3 . 3db的編碼增益，另外在格狀編碼中加入了12路的內(nèi)交織，可有效的抑制短的突發(fā)噪聲對接收端viterbi解碼性能的影響。