等長編碼 的英文怎麼說

中文拼音 [děngzhǎngbiānmǎ]
等長編碼 英文
equal length coding
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 編 : Ⅰ動詞1 （編織） weave; plait; braid 2 （組織; 排列） make a list; arrange in a list; organize; gr...
  • 碼 : Ⅰ名詞（表示數目的符號或用具） a sign or object indicating number; code Ⅱ量詞1 （指一件事或一類的...
  • 等長 : equilong
  • 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
  1. In order to overcome this shortcoming, a real - time communications system for pictures and music, based on vod and video - banking technologies has become available commercially. instead of transmitting pictures and music in the text format, it transmits data in encoded signals in proper order and regenerates them on a real - time basis. that is how long - time multimedia communications made possible

    為了克服上述缺點，現在推出了一種以vod ，視頻庫技術為基礎的圖象、音樂實時通信系統，它對圖象、音樂等不可以文本格式傳送，而是把編碼信號數據，依次進行傳送，並實時再生，這樣長時間多媒體通信就成可能。
  2. Fractal image compression coding is focused attention upon by researchers for it ' s good quality of high compression ration, resolution irrelevancy and fast decoding. but it ca n ' t be put into practice for the matching search of domain and range is too difficult and the coding time is too long

    分形圖像壓縮編碼以其高壓縮比、解析度無關性、快速解碼等優越特性而引起世人矚目，但卻常因為龐大的定義域計算和煩瑣的定義域值域匹配搜索而使編碼時間過長，從而影響了其實用性。
  3. Detailly, it was ( l ) to isolate and construct high efficiency expression vector of rice starch branching enzyme gene sbe2b and ( 2 ) to establish a high - effecient rice transformation system. total rna was extracted from maize endosperm 15dap ( days after pollination ). and cdna of sbe2b was obtained through rt - pcr. sequencing result showed that the full length cdna was 2. 4kbp, coding for 800 amino acids, with estimated mw 93kd

    本研究從授粉15天左右的玉米胚乳中提取了總rna ，採用rt - pcr方法，克隆了玉米胚乳的澱粉分支酶基因sbe2b ，測序結果表明，玉米胚乳sbe2b的cdna全長為2 . 4kb ，編碼800個氨基酸，推測的氨基酸的分子量為93000d ，該序列與genbank中登錄號為af072725的玉米sbe2b的cdna序列有98的同源性，與水稻、大麥、小麥等禾本科植物的有關澱粉分支酶的dna序列都有極高的同源性。
  4. Mpeg - 2 standard is specified to meet the increasing need of the digital storage media, interactive television, high - define television and etc. mpeg - 2 standard defines two data structures, i. e., transport stream ( ts ) and program stream ( ps )

    Mpeg 2標準是為了滿足對諸如數字存儲媒體，電視傳播以及通信等應用中對運動圖像及相關音頻一般的編碼方法的日益增長的需求而制定的。
  5. And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion

    論文首先描述了數字電視地面廣播的需求條件，技術難點和目前存在的問題，並重點分析了dvb - t系統結構流程，核心技術及系統通道特性和參數，該系統採用了cofdm （編碼正交頻分多路復用） ，大量導頻信號插入和保護間隔技術等核心技術，使之能抵抗高電平（ 0db ） ，長延時的靜態和動態多徑失真，有利於數字和模擬電視的混合傳輸，它的多載波調制模式功能和性能在移動和便攜接收、同頻網等方面具有獨特的優勢。
  6. We put the emphases on the soft output viterbi algorithm ( sova ), which is one of turbo code ’ s decoding algorithms, and presents the derivation and computation step of the sova decoding algorithm. after presenting sova and map decoding algorithms and analyzing four kinds of decoding algorithms, the paper makes a comparison among the different decoding algorithms by emulation analysis, and analyzes the time complexity of various algorithms, and then contrasts them. in the last part of this paper, according to the criterion recommended by the consultative committee for space data systems ( ccsds ), including code rate,

    根據空間數據系統顧問委員會（ ccsds ）為turbo碼應用於深空通信系統推薦的標準，包括碼率、碼塊大小、分量碼類型、約束長度、碼生成多項式，以及交織器的選擇等參數的建議以及sova譯碼演算法的理論基礎，設計了sova演算法的實現結構，通過模擬驗證了本文所採用的turbo碼的性能，從而證明turbo碼確實是一種很好的通道糾錯編碼方式，它適用於要求功耗低或信噪比低的深空通信系統中。
  7. The characteristic of h. 264 standard can be concluded mainly into three aspects. it is more practicable, more adaptive to ip net and mobile system and it improves the key components of coding structure based on hybrid video coding framework. for example, it adds coding mode decision, multi frame prediction, context - based adaptive variable length coding ( cavlc ), 4x4 integer transform, loopfilter, etc. the improvement in performance leads to higher computational complexity in the new standard

    H . 264的技術特點可以歸納為三個方面，一是注重實用；二是注重對移動和ip網路的適應；三是在混合編碼器的基本框架下，對其主要關鍵部件都做了重大改進，如多模式運動估計、幀內預測、多幀預測、基於內容的變長編碼、 4 4二維整數變換等。
  8. Nfkb ( nuclear factor kappa b ) transcription factor regulate encoding genes of various cytokines such as growth factors and adhesion molecules. recently, studies have revealed nfkb is relationed to trauma

    核轉錄因子nf b （ nuclearfactorkappab ， nf b ）是一種重要的生物因子，調控多種細胞因子如生長因子、細胞因子、粘附分子等編碼基因的表達，近來研究表明， nf b與創傷關系密切。
  9. Huangyal4 was complete nucleotide sequence of 1 854 bp with a nucleotide orf ( 1575 bp ), which encoded a protein consisting of 524 aa with molecular weight of 62. 2 kda and pi of 8. 96. strongly basic ( + ) amino acids, strongly acidic ( - ) amino acids, hydrophobic amino acids and polar amino acids of the protein were 13. 74 %, 11. 64 %, 36. 45 % and 22. 70 % respectively, and predicted secondary structure of the protein revealed many conserved domains such as n - glycosylation site, protein kinase c phosphorylation site, casein kinase ii phosphorylation site, n - myristoylation site, camp - and cgmp - dependent protein kinase phosphorylation site, tyrosine kinase phosphorylation site and a cytochrome p450 cysteine heme - iron ligand signature which was typical of cytochrome p450. a - helix and b - sheet of the protein is 47. 7 %, 45. 0 % respectively

    Huangya14 ）為材料分離克隆到一個細胞色素p450基因，命名為bccyp86mf5 ， cdna全長1854bp ，含1575bp的完整開放閱讀框，編碼524個氨基酸，其編碼蛋白質的分子量為61 . 2kda 、等電點為8 . 96 ；堿性氨基酸、酸性氨基酸、疏水氨基酸和極性氨基酸分別占總氨基酸的13 . 74 、 11 . 64 、 36 . 45和22 . 70 ；二級結構預測包括n -糖基化位點、依賴于camp和cgmp的蛋白激酶磷酸化位點、蛋白激酶c磷酸化位點、酪蛋白激酶磷酸化位點、酪氨基酸激酶磷酸化位點、 n -豆蔻酰化位點和細胞色素p450的典型區域，半胱氨酸亞鐵血紅素配體信號區等， -螺旋和-折疊分別佔47 . 7 、 45 . 0 ；與bccyp86mf1基因的氨基酸序列同源性達到95 . 2 ，與擬南芥cyp86c4的達到85 . 9 。
  10. Using a pair of special primers, whole sequence of m gene of b95 were amplified by rt - pcr and be sequenced after being directly inserted in plasmid vector pbluescript sk

    結果表明： b95m蛋白基因全長1232bp ，共編碼364個氨基酸，其中堿性氨基酸有47個，酸性氨基酸有30個，等電點為9
  11. In this dissertation, the basic principles of the coding and decoding of ldpc codes are studied systematically, and some code - design problems such as the design of degree distribution sequences, the design of girths and the design of efficient encode - able ldpc codes are analyzed in detail. based on all these efforts, some positive results are obtained and summarized as follow : 1

    本文在對低密度校驗碼現有理論的研究基礎上，系統地分析了低密度校驗碼在刪除通道下的糾錯性能和度序列設計、低密度校驗碼的圍長設計和快速編碼設計等編碼設計問題，獲得了一些研究成果，主要概括為： 1
  12. Firstly, we introduce implement detail of every part of h. 263, such as dct, vlc and so on

    首先介紹了h . 263視頻編碼器的各個重要部分如dct 、可變長編碼等的實現細節。
  13. So it has been found that this polymorphism of sod was changed under different experimental conditions, which showed that the polymorphism was not caused by the difference of genes or the difference of length or side groups of the peptide chains which was caused during the processing after transcript or the purification

    由此排除了其是由不同基因編碼的同工酶或在轉錄后加工及分離純化過程中形成肽鏈長短不一和酶分子側鏈基團差異等微不均一性所造成的可能性。
  14. These systems operate on a wide variety of continuous time signals, which include speech, medical imaging, sonar, radar, electronic warfare, instrumentation, consumer electronics and telecommunications systems ( terrestrial and satellite ). one of the key to the success of these systems has been advances in the development of the font end of the electronic systems - analog - to - digital converters ( a / d ) which converter the continuous - time stimuli signals to discrete - time binary - coded form

    這些系統可廣泛地應用於處理連續時間信號，包括語音、醫學成像、聲、雷達、電子對戰、儀器、消費電器、遠程通訊（地面和衛星）等，而這些系統成功的關鍵因素之一就是電子系統的前端部件? ? a d取得了長足的進步（ a d把連續時間信號轉換成離散時間、二進制編碼的數字信號，便於后級精確的數字信號處理） 。
  15. Fiber gratings have several distinguished advantages, such as compare with fiber, low loss and high responsibility. as sensing element, they encode the sensing information in a wavelength form, which are their distinguished advantages over other transducers. that not only make the sensing information does not depend on loss of the system or fluctuation of then source power but also decrease the cost of sensing system and realize multipoint and distributed sensing

    光纖光柵與光纖之間存在天然的兼容性，它不僅具有易與光纖連接、低損耗、光譜特性好、可靠性高等特點，而且作為傳感元件，它具有其它傳感器無可比擬的優點，即感應的信息用波長編碼，而波長這個絕對參量不受光源功率的波動、連接或耦合損耗的影響。
  16. The rest mutations in pp38 and pp24 are at random. sequence analysis also shows the first 195 nuclear acids of pp38 and pp24 are the same except for the 81 site ( g / c ), but this mutation does not cause the change of amino acid. we regard this as a genetic marker connecting with geography in the evolution of mdv but not related to isolated time and pathotype of different strain of mdv i

    對pp24基因和pp38基因進行同源性比較分析的結果表明，絕大多數毒株二者的前195個核苷酸完全一致，不同毒株間的第81位核苷酸的差異（ g / c ）並不引起編碼的氨基酸變化，僅僅與地域分佈有關，這很可能是mdv在長期病毒衍化過程中形成的地域性遺傳標志，而與病毒的分離年代及mdv的致病型等因素無關。
  17. Accumulating evidence indicates that nmda receptors are involved in many complex physiological and neuropathological mechanisms, such as neuronal developmental plasticity, long - term potentiation ( ltp ), learning and memory, excitotoxicity and neurodegenerative diseases etc. three gene families that encode nmda receptor subunits have been identified : nr1, nr2a - d, and nr3 subunit

    已知nmda受體與許多復雜的生理和病理機制有關，如突觸的可塑性、長時程增強作用（ ltp ） 、學習和記憶、興奮性神經毒性、神經退行性變性疾病等。已克隆到3個編碼nmda受體亞單位蛋白的基因家族，即nr1 、 nr2和nr3 。
  18. As having advantages such as littler inserting loss, better wavelength selection and absolute coding, fbg has bright prospects of applications in fiber communication and sensing

    由於它具有插入損耗小、波長選擇性好及傳感信息對波長絕對編碼等優良特性，因而在光纖通信及傳感領域有著廣闊的應用前景。
  19. Fbg - based strain sensor has many virtues such as unerodibility, absolute code of wavelength, ability for anti - jamming, simple structure and easy execution, etc. so it can replace the traditional mechanical and electrical strain sensor in civil engineering, and has prosperous outlook in the application

    光纖光柵應變傳感器具有耐腐蝕、波長絕對編碼、抗干擾能力強、結構簡單、實施方便等特點，在土木工程方面可取代傳統機械電子式應變傳感器，具有很好的應用前景。
  20. This paper first research on main technologies used by avs standard, which include prediction, transform, quantization, in - loop filter, and entropy encoding, and then focus on the 2d - vlc entropy coder of avs, which is context - based adaptive coder. this encoder operates on run - level pair, and it uses the type of current block and value of current coefficients to switch vlc code - table. these tables are designed according to the distribution of transformed coefficients, and this way is much better than using only one table to code all residual coefficients in one 8x8 block

    本文首先詳細研究了avs標準的核心技術，包括預測編碼、變換量化、環路濾波器以及掃描和熵編碼等，之後重點研究了avs標準中使用的基於上下文的2d - vlc變長編碼方法，這種方法編碼的是（ run ， level ）數對，同時根據當前編碼塊的類型和殘差系數這兩種上下文信息來切換碼表，這些碼表是預先根據變換系數在不同位置的分佈信息設計好的，這樣要比只使用一個變長碼表來編碼塊內所有位置上的殘差系數的壓縮效果要好得多。
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