error protection造句
例句與造句
- An optimal rate - allocation method search based on unequal error protection
一種非均勻錯誤保護實現(xiàn)最優(yōu)碼率分配的技術(shù) - Decoding algorithm of unequal error protection block code based on tree topology
基于樹狀圖的不等保護分組碼譯碼算法 - Robust wireless image transmission based on space - time block codes and unequal error protection
基于空時非均衡錯誤保護的無線圖像魯棒傳輸 - Data communication ; error protection of information messages in connection with data link control procedures
數(shù)據(jù)傳送.與數(shù)據(jù)鏈控制規(guī)程相關(guān)的信息消息的防錯 - In the second chapter , some measurements of unequal error protection block codes are discussed , and a couple of fundamental definitions are given
第二章首先對非均勻保護的各種度量方法進行了討論，同時給出一些貫穿全文的基本定義。 - It's difficult to find error protection in a sentence. 用error protection造句挺難的
- The other is the modified hamming bound , also the geometry of the bound is introduced . the fourth chapter is about the linear block codes and their unequal error protection capability
第三章主要證明了兩個關(guān)于非均勻保護的性能限，這兩個性能限不僅對線性碼有效，對非線性碼同樣有效。 - Mechanical error protection , the power supply will be cutoff automatically ( to avoid the equipment is burnt ) when the motor fail to work becauseof breakdown or it run continuously more than4 1s
機械故障保護當電機因故障而不能轉(zhuǎn)動或連續(xù)運行時間超過4 1秒時，自動切斷電源（以免出現(xiàn)燒壞機器的現(xiàn)象） 。 - Unequal error protection block codes are investigated in the dissertation . the first chapter is an introduction of the background and history of unequal error protection codes , also the summary of the dissertation is given
第一章簡單回顧了非均勻保護編碼的歷史，對有關(guān)的一些理論作了簡要的介紹，并且敘述了本文的主要貢獻和篇章結(jié)構(gòu)。 - Finally , the optimum encoding of an unequal error protection linear code is discussed . turbo codes and their unequal error protection are studied in the fifth chapter . after performance analyzing of turbo codes , the map decoding algorithm and its simulation results are given
第五章是針對turbo碼展開的，先給出了turbo碼的性能分析，然后討論了turbo碼的map ( maximumapostiori )解碼算法，并仿真了map算法的性能。 - There are several procedures used to reduce these deteriorating effects , including the use of forward error correction techniques , error concealment methods and error resilience schemes . this paper studies error resilient techniques in internet video transmission . in this techeniques , reed - solomon ( rs ) codes across packets is used for error protection against packet loss , and a self - adaptive error concealment method based on motion feature is proposed , which can conceal errors more effectively , particularly for video sequences with acute motion
本文針對因特網(wǎng)視頻傳輸中的丟包現(xiàn)象進行研究，一方面利用rs編碼來提高視頻壓縮碼流抵抗誤碼的能力；另一方面，提出了一種基于運動特征的自適應(yīng)誤碼掩蓋方法，能夠較好的掩蓋視頻傳輸帶來的誤碼，特別對于運動幅度較大的視頻序列更能體現(xiàn)出其優(yōu)勢。 - In improved uep scheme , the syntax elements belonged to luminance parts and chrominance parts was reassigned to different data partitions . those packets containing syntax elements belonged to luminance parts were got error protection at high level so as to guarantee their correctness during transmitting in error - prone network . simulation has shown that using proposed scheme , the packing tradeoff is decreased 8240 bytes in error - free channel and also the output bits and bit rate of coded video stream are decreased 2 . 70kbits and 0 . 33 kbps respectively
仿真實驗表明，本方案能在無噪信道中有效降低編碼器端8240字節(jié)的打包開銷和2 . 70kbit的輸出比特數(shù)以及0 . 33kbps的比特率，而在有噪信道中可使解碼輸出重構(gòu)視頻圖像的視覺質(zhì)量得到一定程度的提高，亮度分量峰值信噪比可增加近1db 。 - Then , the properties of generator and parity - check matrix of turbo codes are presented , the simulation results show that turbo codes are unequally protected . three kinds of constructions of unequal error protection turbo codes are introduced finally . the last chapter is the conclusion and further research issues
另外還給出了turbo碼的生成矩陣和一致校驗矩陣的形式和特點，論證了turbo碼本身所具有的非均勻保護的特性，最后給出了構(gòu)造非均勻保護turbo碼的三種方法。 - This scheme firstly determined the operating mode of coded video stream in nal layer according to the current channel state before they were packed . the coded video stream operated under ssm in error - free channel so as to reduce the packing tradeoff and increase the coding efficiency . while in error - prone channel , they operated under dpm combined with improved unequal error protection ( uep ) scheme based on human eyes characteristic in order to elevate their robustness to channel error
該方案中編碼視頻信息在進行打包封裝前，首先根據(jù)當前信道狀態(tài)信息自適應(yīng)地確定其在nal層中的工作模式，在無丟包信道中采用單數(shù)據(jù)片模式以降低編碼視頻流的打包開銷，提高編碼效率；而在丟包信道中采用數(shù)據(jù)分區(qū)模式以提高編碼視頻流對信道誤碼的魯棒性能，同時基于人眼視覺特性，提出了一種改進的uep策略。