coding matrix 中文意思是什麼

coding matrix 解釋
編碼矩陣
  • coding : n. 編碼;譯成電碼。
  • matrix : n (pl matrices 或matrixes)1 【解剖學】子宮;母體;發源地,策源地,搖籃;【生物學】襯質細胞;間...
  1. Research on coding method for matrix axile angle encoder based cpld

    矩陣式編碼器譯碼方法的研究
  2. The design method of system structure and every compositive section is introduced. the graphics edit platform is developed, including edit software of transformer substation ' s diagram and diagram for calculating line - loss, then the method of coding is introduced, especially the transition from diagram to matrix of conductance and susceptance

    開發了本系統的圖形編輯平臺,包括變電站接線圖編輯軟體和網損接線圖編輯軟體,分別對變電站接線圖編輯軟體和網損接線圖編輯軟體的實現過程進行了闡述,詳述了從矢量圖表示的電網圖轉化成導納矩陣的過程。
  3. The perturbation of composite logic matrix based on error correction coding theory

    基於糾錯編碼理論的復合邏輯矩陣攝動
  4. Abstract : by comparing the channel capacities hetwem orthogonal space - time block coding and multi - antenna array system over rayleigh fading channel, some capacity loss for orthogonal space - time block coding is obtained, which is a function of the code rate, the rank of channel matrix and the number of transmitter and receive antennas, although the system of orthogonal space - time block codes is simple and easy to implemented. if is also shown that there is no capacity loss only if both the code rate and the channel matrix rank are all one

    文摘:在研究瑞利衰落條件下正交空時分組編碼通道容量的基礎上,將其與多發送多接收天線系統的通道容量進行了比較.比較結果表明,正交空時分組碼雖編碼簡單,易於實現,但在通道容量方面存在較大的損失,損失的程度與編碼碼率、通道矩陣的秩及收發天線數等因素有關.進一步研究表明只有當編碼碼率和通道矩陣的秩都為1時,才沒有通道容量的損失
  5. However, there still exists correlation between coefficients of sub - matrices after 4d - mdct. this thesis proposes a four dimensional matrix video coding method based on context to get rid of the correlation between coefficient sub - matrices further. it includes three parts as follows : firstly, this thesis presents a four - dimensional matrix video encoder and decoder model, which contains components of prediction, transform and entropy coding

    實驗結果表明,該方法與傳統的二維編碼方法相比,具有高壓縮比和高圖象質量的優點;與矢量量化編碼相比,具有碼表體積小,計算復雜度低的特點;與霍夫曼編碼方法相比,在相同信噪比的條件下,對運動相對劇烈的視頻序列壓縮效果要更好。
  6. In the constructing of the diagnosis module using the technology of the combination of the fuzzy logic and neural network, which based on the fuzzy adaptive learning control network, a simple kind of capable method for consummate the structure and performance of network is introduced, which includes the rules extraction based on the maximum weights matrix and the parameters amendment based on genetic algorithm by floating - point coding. during the monitoring of the parts condition, the output of the condition monitoring system shows the good working condition of the executing agency by fuzzily deducing from the control instruction send by the auv ' s controller and motion status, and so offers the proof to complete mission and return safely

    在珍斷模塊建模中採用模糊邏輯與神經網路結合的技術,以模糊自適應學習控制網路為核心,提出了一種簡單可行的基於最大權值矩陣的規則提取及基於浮點數編碼的遺傳演算法的參數調整的,完善網路結構與性能的方法,並在狀態監測過程中,通過對由控制器輸入的水下機器人運動控制量以及運行狀態的模糊推理,得到執行部件(推進器或舵)的工作狀態優劣程度,為保證水下機器人完成任務,安全返回提供控制依據。
  7. The main content is position matrix is set to record the location of wavelet coefficients, scanning the important wavelet coefficients first by using ordered quad - tree, and encoding the sign by using run length coding as well

    主要思想是:設立位置矩陣記錄子帶的位置信息,對高頻子帶內小波系數進行掃描排序形成有序四叉樹,對輸出的符號串採取行程編碼。
  8. 3d matrix transform compression coding of color image based on yc submatrix

    子陣的彩色圖像三維矩陣變換壓縮編碼
  9. The method includes split originality image region, filter, separately coding the lowest frequency sub - band coefficient, adaptively setting threshold of different image region, setting up flag matrix, and filtering after decoding to eliminate domino effect of split

    這種編碼方法主要包括:對原始圖像進行分塊、濾波;對最低頻子帶系數單獨編碼;對各塊圖像自適應地進行閾值設置;設立標志矩陣;解碼后進行濾波消除分塊效應。
  10. 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。
  11. The encoding complexity of ldpc codes length n seems indeed to be of order n2, the dissertation study the coding scheme with linear time complexity. afterward, it introduces the coding schemes used in dvb - s2 and gets the parity check matrix by simulation

    針對ldpc碼通用編碼演算法的復雜度與碼長的平方成正比的問題,重點研究了ldpc碼的快速編碼方法,總結出了使ldpc碼能夠達到線性編碼的途徑。
  12. The ldpc code ’ s parity check matrix generated by this scheme has high girth and can be used to coding directly, the coding complexity is lower. as to the decoding algorithm, i modify the message passing algorithm based on the girth that i can get in the structure of parity check matrix to improve the decoding performance. what is more, the new structure of the parity check matrix is easy to implement with the hardware

    接著著重圍繞ldpc碼的校驗矩陣構造方法和譯碼演算法展開討論,在比特填充演算法的基礎上提出了一種ldpc碼聯合編譯碼方案,通過該方案構造的校驗矩陣不僅具有良好的girth分佈,而且能直接用於編碼,編碼的計算復雜度低;在譯碼方面,利用構造奇偶矩陣過程中girth分佈信息,優化解碼迭代過程,能有效提高系統性能;並且該方案構造的校驗矩陣更易於實際的編譯碼硬體實現。
  13. Low density parity check ( ldpc ) codes are good error - correcting codes, which can approach shannon ' s capacity limit. due to the sparsity of its check matrix, ldpc codes can be decoded only with linear time complexity using iterative decoding algorithm. therefore, ldpc codes have become one of the most attractive fields in the channel coding community

    低密度校驗碼是一種逼近香農限的好碼,由於其校驗矩陣的稀疏特性,採用迭代譯碼演算法,它的譯碼僅具有線性時間復雜度,所以目前ldpc碼己成為通道編碼理論界的研究熱點之一。
  14. Ever since its initial appearance, network coding has quickly developed into a research field that has fundamental influence on information theory, coding theory, networking, switching theory, wireless communications, computer science, cryptography, operations research, and matrix theory. it is now one of the hottest topics being worked on by researchers from leading universities and industrial laboratories worldwide, and international conferences on network coding have been held on a regular basis

    網路編碼理論( networkcodingtheory )始源於香港中文大學,是網路通信研究領域中一項重要突破,自從首次提出以來,網路編碼已迅速發展成一個重要的研究范疇,並對信息論、編碼、通信網路、網路交換理論,無線通信、計算機科學、密碼學、運籌學、矩陣理論等領域帶來影響深遠。網路編碼是現今世界各地一流大學及工業實驗室最熱門研究領域之一,亦是許多國際研討會的熱門議題。
  15. Network coding has brought about a paradigm shift in network applications. ever since its appearance, network coding has quickly developed into a research field that has fundamental influence on information theory, coding theory, networking, switching theory, wireless communications, computer science, cryptography, operations research, and matrix theory

    網路編碼帶給網路應用一場範式革命,自提出以來,網路編碼已迅速發展成一個重要的研究范疇,並對信息論、編碼、通信網路、網路交換理論,無線通信、計算機科學、密碼學、運籌學、矩陣理論等領域帶來影響深遠。
  16. Qr code is a kind of 2d matrix barcode. it has high density, great capacity that will influent coding of 2d - barcode. a rs code is cyclic symbol error - correcting code, which can correct lost or missing data for damaged symbols

    Qrcode是一種矩陣二維碼,具有信息密度大、容量高的優點,因此,譯碼時受噪聲的干擾大,採用糾錯能力比較強的非二進制bch碼中的一類? rs碼進行編碼,可以有效地抗除干擾進行糾錯。
  17. 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。
  18. This thesis is part of the project of national science foundation of china “ study on color video coding based on four - dimensional matrix ”. a multi - matrix theory model has been established in the project. and the color video is presented into a four dimensional matrix model and the four - dimensional discrete cosine transform ( 4d - mdct ) is applied to reduce the correlation between color components and adjacent pixels

    將多個彩色視頻幀構建在一個四維矩陣模型中進行運動補償預測、四維矩陣離散餘弦變換和矩陣量化,最後利用基於上下文的變長編碼方法進行壓縮,以全面去除彩色視頻各象素之間、各彩色分量之間以及連續幀之間的相關性,從而實現高信噪比條件下的高倍壓縮。
  19. Matrix coding in ga and its application to fuzzy modelling

    矩陣編碼方法及其在模糊建模中的應用
  20. Also, the relactions between the best block size for matrix transpose and the size and associativity of the processor ' s cache is formulized. for parallel optimization, several programming models available on a numa system, such as lightweight processes ( sproc ), posix threads, openmp and mpi, are compared, and their speedup and coding complexity are analyzed

    對于sar成像處理的并行優化,本文對比了在numa架構上可用的幾種并行編程模型:輕量級進程、 posix線程、 openmp和mpi ,針對numa架構和sar成像處理的特點從加速比、編程復雜度等多個方面進行了討論。
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