error propagation造句
例句與造句
- Secondly , it provides some arithmetic and positioning methods used in the network - based navigation system and simulation outcomes . then , the paper analyses some errors of network - based navigation system . it studies error propagation of relay positioning and gives simulation results
然后給出了網(wǎng)絡(luò)化導(dǎo)航的定位方法和算法，并結(jié)合具體算法進(jìn)行了定位仿真計(jì)算；接著對(duì)網(wǎng)絡(luò)化導(dǎo)航誤差進(jìn)行了分析，研究了接力定位的誤差傳遞情況并進(jìn)行了仿真和結(jié)果分析。 - In this thesis , we review the joint source and channel coding firstly , introducing fundamental theories , design methodologies , and practical applications . secondly , an approach is presented for improving arithmetic coding by embedding hamming distance . the approach prevents error propagation of the arithmetic coding
作者在對(duì)算術(shù)編碼做了深入研究的基礎(chǔ)上，運(yùn)用漢明距離對(duì)其加以改進(jìn)，使算術(shù)編碼具有了較好的糾錯(cuò)能力，克服了算術(shù)編碼易受傳輸錯(cuò)誤的影響，使其適用于信道干擾較大的場(chǎng)合。 - With the rapid growth of multimedia content in today ’ s communication links , there is an increasing demand for video coding schemes and underlying transport that can provide acceptable quality of service to the end users . due to the errors nature of channels and the error propagation property of compressed video , suitable source and channel coding schemes are required to handle such conditions
如目前常用的第二代( 2g )無(wú)線通訊標(biāo)準(zhǔn),傳輸速率僅為9 . 6kbps ,而即將實(shí)施的第三代( 3g )無(wú)線通訊標(biāo)準(zhǔn),卻可以在一般走動(dòng)狀態(tài)下,達(dá)到384kbps的傳輸速率,在車速行進(jìn)中,也可達(dá)128kbps ,在固定應(yīng)用上可達(dá)2mbps 。 - Research of error resilience technology for video communication based on h . 263 codec major : signal and information processing data : author : meng yan signature : tutor : zhang erhu liu shichang signature : abstract the reconstructed image quality can be degraded substantially by errors during the transmitting over the communication channel , especially when the video is compressed by temporal and spatial coding ways , which leads to error propagation in frame sequence , so the error resilience procedure should be performed to improve the reconstruction quality
由于通信系統(tǒng)的信道不可避免的存在噪聲，傳輸數(shù)據(jù)流必然存在誤碼。對(duì)于h . 26x的視頻編碼流，由于空域和時(shí)域的壓縮方法以及熵編碼方法的應(yīng)用，即使是一個(gè)比特的錯(cuò)誤，常會(huì)影響一個(gè)區(qū)域的圖像不能正確解碼，同時(shí)錯(cuò)誤的圖像還會(huì)擴(kuò)散影響后續(xù)數(shù)幀圖像。因此有必要在標(biāo)準(zhǔn)解碼程序的基礎(chǔ)上，添加容錯(cuò)功能。 - According to the geometry of slope measurements for the subjective wavefront optometer , a wavefont reconstruction model using zernike polynomial with normalization factor is put forward . based on householder transformation and gram - schmidt orthogonalization method , two methods for working out unknown zernike coefficients are bring forward . the error propagation parameter for the wavefront reconstruction model is deduced
深入研究了帶標(biāo)準(zhǔn)化因子的zernike多項(xiàng)式的性質(zhì);針對(duì)主觀式像差儀波前斜率采樣方案,提出了采用帶標(biāo)準(zhǔn)化因子的zernike多項(xiàng)式對(duì)眼測(cè)試波前進(jìn)行重建的數(shù)學(xué)模型;提出了兩種求解方法,即基于householder變換求解法和基于gram - schmidt正交化求解法,用于確定重建模型中的未知模式系數(shù);推導(dǎo)出了該波前重建模型對(duì)斜率測(cè)量誤差的傳遞系數(shù)。 - It's difficult to find error propagation in a sentence. 用error propagation造句挺難的
- Finally , a new 3d surface ranging method based on a digital fringe projection and shifting technique is systematically studied and non - linear rectification algorithms which reduce measurement error is proposed . at the same time , the noise - immune phase unwrapping algorithm is deeply studied and a new algorithm for phase unwrapping of phase map is proposed . experiment make known the algorithm can reduce measurement error , bypass the noise points automatically , solve the problem of the shade sheltering or cavity , overcome the error propagation problem and better results have been obtained
論文最后系統(tǒng)研究了基于數(shù)字相移條紋投影曲面三維測(cè)量方法，創(chuàng)造性地提出了一種減小測(cè)量誤差的非線性校正算法，取得了預(yù)期的效果；同時(shí)對(duì)相位去包裹算法進(jìn)行了較深入研究，提出了一種噪聲圖像相位去包裹方法；實(shí)驗(yàn)表明該方法能減小非線性測(cè)量誤差，自動(dòng)避開噪聲點(diǎn)和間斷點(diǎn)，獲得了滿意的結(jié)果。 - The error propagation path is changed because that the different substream sets are selected for specific spatial and temporal resolution , but this rate - distortion model is adaptive with different error propagation paths . we can easily estimate the distortion at different error propagation situation
盡管在復(fù)雜的可擴(kuò)展視頻編碼技術(shù)中,誤差傳遞路徑會(huì)隨著選擇播放的子碼流集不同而變化,本文建立的模型卻能夠自適應(yīng)誤差傳遞路徑的變化,估計(jì)出較為準(zhǔn)確的失真信息。
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