component coding

"component coding"的翻譯和解釋

"查查詞典"手機版

千萬人都在用的超大詞匯詞典翻譯APP

例句與用法

Based on the simulation results , the key techniques for the design of turbo codes , including the choice of component codes , the design of interleaver , trellis termination schemes and puncturing methods , are discussed deeply . by measuring the statistical characteristic of extrinsic information from component decoders , new iterative stopping criteria and snr estimation updator are devised . also , it is used to implement synchronization of carrier phase
本文首先對turbo碼的基本編譯碼原理進行分析，在仿真結(jié)果的基礎(chǔ)上對turbo碼設(shè)計中的分量碼選擇、交織器設(shè)計、編碼器狀態(tài)歸零方案以及刪余方式等部分關(guān)鍵問題進行探討；通過考察外部信息的統(tǒng)計特性，設(shè)計了新的迭代停止準(zhǔn)則和snr估計更新器，并利用外部信息實現(xiàn)串聯(lián)載波相位同步；最后對turbo均衡進行簡要分析。
The research for key techniques of turbo codes is processed . it includes , ? the design of optimal component codes and the performance of asymmetric turbo codes are analyzed ; ? a search algorithm for short random interleaver based on the distance spectrum and ids criteria is carried out and simplified ; ? random puncturing method to improve the weight distribution of turbo codes with some special code rates is analyzed and simulated . ? the effect of different schemes of trellis termination to the performance of turbo codes is analyzed ; ? a new low complexity decoder structure is provided ; 5
對turbo碼的部分關(guān)鍵問題進行分析和改進，主要包括： ?分析了最優(yōu)分量碼的設(shè)計和非對稱turbo碼的性能； ?設(shè)計了基于距離譜和ids的短隨機交織器搜索算法并進行了簡化； ?提出了采用隨機刪余方式改善特定高碼率turbo碼重量分布特性的方法； ?分析了不同編碼器狀態(tài)歸零方案對turbo碼性能的影響； ?提出了一種降低實現(xiàn)復(fù)雜性的turbo迭代譯碼器結(jié)構(gòu)。