adaptive coding 中文意思是什麼

adaptive coding 解釋
自適應編碼
  1. 3. based on analyzing the affection on coding performance of two operating modes in h. 264 nal layer, such as data partition mode ( dpm ) and signal slice mode ( ssm ), an adaptive channel uep scheme ( acuep ) for h. 264 video stream was proposed

    在研究了h . 264編碼視頻流在nal層下的兩種工作模式對編碼性能影響的基礎上，提出了一種h . 264編碼視頻流通道自適應非平等誤碼保護方案（ acuep ） 。
  2. The first facet is to put forward four - step block matching algorithm which can deduce the time of motion estimation and improve the coding efficiency, based on the traditional motion estimation algorithms. the second facet is to propose a new rate control algorithm, that is average - reaction rate control algorithm, based on the rate control of mpeg2. the new rate control algorithm can achieve rapid and efficient adaptive coding

    首先在對傳統的運動估計演算法進行研究和改進的基礎上，提出了四步搜索塊匹配的運動估計演算法，減少了運動估計的時間，提高了編碼效率；其次在分析mpeg2比特率控制的基礎上，提出了一種新的比特率控制演算法? ?平均響應比特率控制演算法，該演算法能夠快速有效的實現自適應編碼。
  3. According to the project of adaptive multi - rate speech coding ( amr ) being put forward by the third generation group of the mobile communication, this paper takes the principle of the speech arithmetic as the base, studies the technologies including the source controlled rate, voice activity detector, comfort noise and the error concealment unit in amr, discusses its the characteristic of adaptation and analyses its performances particularly. amr c codes are researched carefully through the modules being divided into and debugged under the tms320c54x provided by the ti corporation, and optimized in selecting the method of c code embedded assembler codes and simplified in the search codebook combining with the theory of speech coding, which are based on the realization about theory and practice of the optimization of amr speech coding

    從自適應多碼率語音編碼演算法的c代碼出發，對它進行模塊劃分後作了系統分析，將其在vc下調試通過，進一步在ti公司提供的tms320c54x環境中進行調試，結合語音編碼理論，對演算法進行優化，採用了在c代碼中嵌入匯編和簡化自適應碼本和固定碼本搜索的方法，部分地提高了c代碼效率，為實現自適應多碼率語音編碼的優化奠定了理論和實踐基礎。
  4. The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function

    作為遺傳演算法的具體實施：根據本實驗室近來研製的吸波材料，建立了吸波材料的相關數據庫；構造了能真實體現「薄、輕、寬、強」優化目標的目標函數；根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求，建立了能動態擴展相應碼長的自適應編碼方法；首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術，以此實現了在不弱化寬頻、高強的吸波性能目標的同時，兼顧到薄層、輕質的使用性能要求；在解碼時通過動態跟蹤厚度變量的約束條件，實現了多層單組分吸波塗層對重量輕的要求；通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件，實現了多層多組分吸波塗層對重量輕的要求；使用權重系數變化法，實現了吸波塗層的分頻段吸波性能要求。
  5. Second, an adaptive rate - distortion model is proposed by extending directed acyclic graph model for fine granular scalable video coding. we add rate, original distortion and adaptive scale to the directed acyclic graph model

    其次，針對精細粒度可擴展視頻編碼技術，本文擴展有向無環圖模型，在該模型中加入碼率，原始失真和自適應因子等屬性，建立了自適應率失真模型。
  6. An adaptive macroblock - group coding algorithm for progressive and interlaced video. in proc. iscas 2004, vancouver, may 2004, pp. iii - 969 - 972

    與h . 264中的mbaff演算法的性能相比，提出的ambaff演算法可以得到0 . 16db的平均編碼增益。
  7. It is well known that jpeg and jpeg2000 are still image compression standard with high performance at present time. so we choose them as our investigative base to compress image. my amendment in jpeg mainly includes self - adaptive huffman coding and reduction of blocking effect

    由於jpeg標準所提供的演算法還有進一步改進的可能，所以在文中將介紹如何對jpeg標準進行演算法改進，主要包括：自適應哈夫曼編碼、塊效應的消除；針對jpeg2000標準，將主要介紹jpeg2000標準核心演算法的實現以及如何用最大位平移方法實現感興趣區編解碼。
  8. The project uses for reference the algorithm thought of sbc ( subband coding ) to measure off the audio to the corresponding frequency width and encode it by the different sensitivity of human hearing, which results in the lower coding rate and bearable voice quality. the algorithm processing low bit - rate audio is designed to be self - adaptive by the situation of network. the component developped by that algorithm and project has already been used in the realtime interactive educational system

    該方案借鑒sbc （ subbandcoding ）子帶編碼演算法思想，將音頻按對人聽覺敏感程度不同劃分為相應的頻帶並進行相應的編碼，從而得到較低的編碼率和較好的語音質量，設計了可根據網路狀況進行自適應的低帶寬音頻處理演算法。
  9. The principle and method to implement are introduced and finally, the feasibility of the dynamic adaptive coding method is testified by an application example

    文仲介紹了視頻數據動態適應壓縮編碼的原理與實現方法，並通過具體應用實例，驗證了該方法的可行性。
  10. In this paper, the problem of video data real time transmitting for machinery facilities remote monitor and control system in network environment is discussed, and a dynamic adaptive coding method is proposed to coordinate the contradiction between the transmission speed and quantity of the data

    摘要根據機械設備遠程監控系統中視頻數據的實時網路傳輸問題，提出用動態適應視頻編碼技術協調傳輸數據量和傳輸速度之間的矛盾。
  11. Throughputs of adaptive modu - lation, adaptive coding, and joint adaptation schemes are analyzed, and optimal switch - ing threshold of snr is obtained. in comparison with non - adaptive harq, adaptive schemes can get much higher throughput in the given cell. among the three adaptive schemes, adaptive modulation is t

    分析了自適應調制、自適應編碼和聯合自適應方案在小區中的流量特性，得到了最優的切換門限，比較了自適應與非自適應harq的流量，以及三種自適應方案的優劣，其中自適應harq流量特性明顯好於非自適應harq 。
  12. Since ldpc codes have a wonderful future, an adaptive coding scheme was developed based on quasi - regular ldpc codes and it encodes the source bits with different code rate by dividing the original parity check matrix properly

    由於ldpc碼在未來的廣闊應用前景，本文提出一種針對結構化ldpc碼的自適應編碼方案，對原始校驗矩陣適當變化，即可對信源信息進行不同碼率的自適應編碼。
  13. Secondly, the ipos is introduced on the whole, including network architecture, protocol reference mode, and two key technologies : the hybrid arq error control and adaptive coding modulation. meanwhile, the qos standard specifically used in the dissertation is presented

    之後從總體上對ipos協議進行介紹，分析了其網路結構，協議模型，混合arq控制機制、自適應編碼調制這兩項ipos協議的主要技術組成等內容，並提出了本課題採用的qos指標。
  14. Considering the large numbers of the ecg data, the author analyzes the methods on compression of ecg singnal. in this paper, the method is based on wavelet transform and adaptive coding. it can obtain better compression ratio and reflect the accurate detail of original signal

    本文還針對心電數據量大的特點，對心電信號壓縮方法進行了探討，採用小波系數自適應壓縮方法對心電信號進行了壓縮，取得了較好的壓縮比，並具有重構信號失真小的特點。
  15. At the end of this paper snr estimation algorithm is discussed which plays an important role in adaptive coding technology

    本文最後討論了自適應編碼中的關鍵技術? ?信噪比估計演算法。
  16. Information technology - data compression for information interchange - adaptive coding with embedded dictionary - dclz algorithm

    信息技術信息交換用數據壓縮具有嵌人字典的自適應編碼dclz演算法
  17. Dclz information technology - data compression algorithm - adaptive coding with embedded dictionary dclz algorithm for information interchange

    信息技術.數據壓縮演算法.信息互換用附帶有詞典的自適應編碼
  18. Simulation results reveal that ipos protocol could solve the problem of high error bit rate with adoption of the error control scheme in the data link layer and adaptive coding modulation

    模擬結果表明， ipos協議通過採用鏈路層差錯控制和自適應編碼調制方法，解決了衛星通道的高誤碼率現象。
  19. Adaptive coding technology is often used to improve frequency efficiency of wireless communication system as we know that the adaptive coding scheme based on turbo codes has been carried out in 3g systems

    自適應編碼技術可以有效的提高無線通信頻譜利用率，在第三代移動通信系統中已經成功的運用了基於turbo碼的自適應編碼技術。
  20. In next mobile communication system to suffice more and more high - speed data service and demand of qos ( quality of service ) many new wireless link layer transport technologies are going to be used such as mimo ( multiple input multiple output ), ofdm ( orthogonal frequency division multiplexing ), channel coding and acm ( adaptive coding modulation ) etc. low density parity check ( ldpc ) codes were first discovered in 1960 ’ s which belong to linear block codes with their parity matrix being sparse

    下一代移動通信系統為了滿足移動用戶對高速、寬帶數據傳輸業務不斷增長和更高服務質量的要求，採用了許多新的無線鏈路傳輸技術，包括多天線發射和接收技術、正交頻分復用技術、通道糾錯編碼技術和自適應編碼調制技術等。上世紀60年代提出的低密度校驗碼，是一種校驗矩陣為稀疏矩陣的線性分組碼。
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