encoding rate 中文意思是什麼

encoding rate 解釋
編碼率
  • encoding : 編碼(作用)
  • rate : n 1 比率,率;速度,進度;程度;(鐘的快慢)差率。2 價格;行市,行情;估價,評價;費,費用,運費...
  1. In the proposed method, the controller takes the buffer length as congestion indication, takes sources quality and bandwidth utility as object function so as to learn on line. as the controller outputs, the coding rate for input traffic sources and the corresponding user percentage are used to adjust the cells " arrival rate to the multiplexer buffer. compared with the previous method where cells " arrival rate is tuned only by the encoding rate and the encoding rates for all input traffic sources are regulated in a body, the proposed method guarantee that the quality of cells are optimal while cell loss rate is minimized, which means quality of service is guaranteed

    在該方法中,擁塞控制器以緩沖區大小信元作為擁塞指示,以信源質量和帶寬利用率作為目標函數進行在線學習,控制器輸出包括信源編碼率及其對應的用戶數在全部用戶中所佔的百分比,即根據信源編碼率及對應的用戶百分數調整信源輸入流,從而克服了以往擁塞控制方法中僅僅調整編碼率帶來的對所有信源進行整體調整的缺陷,使控制系統在信元損失率最小情況下確保信源輸入流質量最高,從而有效地利用了網路帶寬。
  2. To ensure the reliable transmission of voice and data, the channel encoding method which the digital trunking communication system uses is crc ( circle redundant code ) & rcpc ( rate - compatible punctured convolution code ) & interleave

    為了保障話音和數據的可靠傳輸,數字集群系統採用的通道編碼方案為crc + rcpc +交織。
  3. For video codec, after analyzing and researching the newest standard h. 264, an efficiency algorithm was proposed in this paper using self - feature, spatial correlation and temporal correlation to judge the encoding mode of one macro - block. through this method, the best prediction mode can be obtain before encoding, then, the coding time can be reduced dramatically with a little expense of bit - rate. for video transmission, in this paper, a transmit method was proposed using tcp / ip protocol under the environment of local networks

    首先,在分析及研究最新的視頻編碼標準h . 264的基礎上,利用宏塊自身的特點和其時間、空間的相關性來判斷宏塊應該採用的編碼模式,從而提前得到該宏塊的最佳編碼模式,新方法有效地克服了原標準演算法中窮舉式的復雜演算法,在壓縮碼流只有少許增加的情況下,大幅度地提高了幀內及幀間編碼的速度。
  4. Sampling rate and source encoding for professional digital audio recording

    專業數字錄音的采樣率和聲源編碼
  5. Consoidering the low bit - rate video encoding characteristics, background block search algorithm, which is based on diamond search algorithm was used to improve the motion estimation speed. and detection of all - zero block algorithm was chosen for the reason of static background sence in minotor video encoding application

    分析了低碼率監控視頻的特點后,我們對編碼演算法進行了修改,提出了基於鉆石搜索的背景塊運動搜索演算法和全零塊預判演算法,提高了編碼程序的效率。
  6. So the subjective iqa can not be used widely. today image encoding pursues low error rate and high compression ratio, which needs effective iqa

    客觀保真度這一概念用來描述評價對象與參考圖像間的相似程度,即是對圖像逼真度的測量。
  7. This algorithm increases the speed and accuracy of the motion vector search in intra - frame / inter - frame model selection, i proposed an adaptive selection method of intra - frame / inter - frame prediction model, based on tmn recommendation. in this paper, chapter one introduces the needs for low bit - rate video compression and relevant standards. chapter two first introduces briefly some common image compression methods, then emphases on the algorithms used in h263 + encoding and decoding

    本論文第一章概述了當今世界對甚低碼率視頻圖象壓縮編碼的需求以及相關的國際標準;第二章簡要介紹一些具體的圖象壓縮編碼方法,對于在h . 26x編解碼器中運用到的圖象壓縮演算法給予了重點介紹;第三章詳細探討了h . 26x系列標準,對于重點和難點部分作了詳細的闡述;第四章是具體的編解碼器設計以及核心演算法描述;第五章是h . 26x編解碼器在局域網視頻傳輸中的一個具體運用。
  8. Based on output wave of hs2260 encoding chip, this paper analyzes the encoding features of this chip and come up with the specific method of auto - adapted baud rate decoding of this chip by mcu and the method that was used in the long - click and double - click events recognition that was applied in remote controllor by this chip

    從hs2260編碼晶元的輸出波形入手,分析了該晶元的編碼特徵,提出了使用單片機對其進行自適應波特率解碼的方法,同時也提出了該晶元在遙控器應用中的長鍵及雙擊動作的識別方法。
  9. The technologies in the dissertation mostly include : * the systemic architecture of both video encoding and video decoding principles ; * the tv principles and the video part of mpeg - 2 standard ; * the analysis and the comparison of the algorithm of bit - rate control ; * the realization of the algorithm and the evaluation of its results

    主要技術包括: *視頻編碼與解碼系統原理的體系結構; *電視原理、制式以及mpeg - 2視頻編碼解碼系統標準; *對本次研究的mpeg - 2視頻碼流的碼率變換的演算法分析及性能比較; *實現演算法且對碼率變換后的碼流質量進行評估;
  10. Comparing with si ( sin ( x ) / x ) interpolator, cubic interpolator with low pass filter, and winner interpolator in 16qam ofdm system both in mean square error and bit error rate without encoding, the results of the method proposed by this thesis show that the performance is better than si interpolator and cubic interpolator with low pass filter, and close to the winner interpolator but the complexity is much lower than the latter

    在16qamofdm系統中,將其與帶低通濾波器的si ( sin ( x ) / x )插值法、 cubic插值法和winner插值法進行了通道估計的均方誤差和無編碼的誤比特率的模擬結果進行了比較。結果表明,本方法的估計性能優于si和cubic插值法,接近優化的winner插值法,但其計算復雜度與winner插值法相比卻大大降低。
  11. Firstly, based on the c6711 dsp hardware characteristics, h. 263 was chosen as the core video compression framework. after seven advanced options of h. 263 was tested, we analyzed the test results and used three options which are unlimited motion vector, advanced motion prediction and deblock filter as the scheme of the low bit - rate monitor video encoding

    首先,通過對目前的低碼率視頻編碼技術的分析,結合c6711硬體特點,我們選擇了h . 263視頻編碼標準作為監控視頻編碼框架,並且通過對h . 263標準的七個高級編碼選項的測試和分析,選取了其中無限制運動矢量、高級預測和去塊濾波等三個編碼選項作為監控視頻編碼的主要方案。
  12. Secondly, the author analyzes adaptive encoding control algorithm, pack algorithm and feedback congestion control algorithm suited to mpeg - 4 video. taking into account the matching transport rate and bandwidth, the author gives an improvement and optimization of the feedback congestion control algorithm. finally, a feasible project of network visual telephone is designed

    其次,在視頻數據的傳輸碼率與網路帶寬的適應性方面,作者通過分析適用於mpeg - 4視頻適應性編碼的控制演算法、視頻數據打包演算法和網路擁塞控制演算法,提出了網路擁塞反饋控制演算法的改進和優化思想。
  13. Hisityl - trna synthetase catalyzes the aminoacylation of trnahis in the initial step of protein biosynthesis. the involumen of histidyl - trna synthetase in autoimmune diseases is another feature of the enzyme. in studies, it is reported that purified jo - 1 antigen can increase the detection rate of anti - jo - 1 antibody. but it is difficult to obtain a single component by biochemical extraction. genetic engineering can help us to desolve this problem. after looking up mrna sequence encoding histidyl - trna synthetase in genebank, we used rt - pcr technology to gain its full length dna sequence. the vestor ptybllwas used in the construction of expressing vestor. we transformed the jo - 1 gene into er2566 and used this system to express fusion jo - 1 antigen

    本實驗從人胎盤中提取總rna ,利用rt - pcr技術獲得了編碼jo - 1的基因整長序列,選用impact - cn系統中的ptyb11載體,構建了jo - 1基因的克隆與表達載體,並轉化大腸桿菌er2566 ,經過抗性篩選、分子量大小比較、雙酶切鑒定、和pcr鑒定等多種方法驗證,篩選出了5個陽性克隆。
  14. Compared with the tm5 method, the rate control algorithm can not only increase the encoding images psnr, but also solve the scene change problem

    給出的碼率控制演算法與傳統的tm5演算法相比,不僅使編碼生成的圖像信噪比有所提高,而且解決了場景切換問題。
  15. System scheme of speech coding plus spread spectrum communication was presented based on a full analysis of noise characteristic, attenuation characteristic and impedance characteristic of low - voltage power line. spread spectrum carrier ( abbreviated as ssc ) technology is adopted to overcome problems existing in signal transmission over power line. high quality, low rate mbe compression algorithm was used to complete speech encoding and decoding

    在對低壓電力線路的噪聲特性、衰減特性和阻抗特性三個方面充分分析的基礎上,本文提出一種語音編碼+擴頻傳輸的系統總體方案,採用擴頻載波( spreadspectrumcarrier ,縮寫為ssc )技術克服電力線傳輸信號存在的問題,採用語音合成質量高並具有較低碼率的mbe壓縮演算法完成語音信號的編解碼。
  16. And complex rotary codes take charge of encoding and decoding the information bits again. though the rate is a bit lower and the complexity is a bit higher than the original rs codes, the error - correcting capability of rs - complex rotary codes is improved greatly compared with rs codes. because rs - complex rotary codes can be adjusted according to the practical request, it is a class of practical code

    該碼以rs碼為主體結構,同時對信息元進行復轉碼編譯碼,雖然碼率較之原來的rs碼有一定降低,復雜度也略有提高,但是糾錯性能卻由此獲得了較大幅度的提高,同時也使碼字糾錯能力可根據通道要求而進行調節,從而大大增強了實用性。
  17. This project is part of the maglev communication system project, a large project sponsored by the national “ 863 ” plan. this dissertation discusses how to design and implement the encoding and decoding of manchester code with a bit rate of about 4mb / s

    本課題是國家「 863 」計劃磁懸浮列車車地通信系統子課題,課題完成的是4m碼率的曼徹斯特編解碼器的設計與實現。
  18. Through anatomizing ezw coding algorithm and taking the effects of human being ’ s vision characteristics on quality of reconstituting image. a improved zeretrees algorithm are put forward. at last a new image compression encoding algorithm based on wavelet transform and vector quantization is put forward. the experiment show, in very low bit rate, using the proposed algorithm, the reconstructed image is superior to that of ezw in both of perception and psnr

    最後,在小波樹的基礎上,通過對矢量量化的研究,本文提出了一種基於四叉樹結構新的小波樹矢量量化壓縮編碼演算法,實驗證明,在較高壓縮比的情況下,使用此方法得到的重構圖象質量(視覺效果和峰值信噪比)比通常的小波壓縮演算法有了較大的提高。
  19. The internet is based on the sharing channel of tcp / ip protocol and consists of various heterogeneous subnets. it is unpredictable of its transportation latency, available bandwidth and data package lost rate. so it ' s necessary to have an efficient encoding method and an adaptive real time transportation strategy to meet the multimedia communication ' s requirement of latency and bandwidth

    Internet基於tcp ip協議通道共享,由多種異構網路互連而成的,其中的傳輸延時、通道帶寬、數據包丟失率都是時變的、不可預測的,因此,對延時、帶寬要求很高的多媒體通信,必須有一種高效的編碼方法和根據帶寬變化的實時傳輸策略。
  20. Stfs is a good coding arithmetic which is simple and easy to realize. moreimportantly stfs has higher diversity order and encoding gain than sts at the samesymbol rate. it can repel channel fading, improve data rate and wireless systemcapacity availability, stand against frequency selectivity fading, eliminate theintersymbol interference

    該編碼演算法不僅在方法和原理上簡單,而且易於實現,在相同符號率下比空時擴頻具有更大的分集度和更高的編碼增益,能有效抵抗通道衰落、提高數據速率、提高無線系統容量、很好的對抗頻率選擇性衰落和消除符間干擾。
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