極性編碼 的英文怎麼說

中文拼音 [jíxìngbiānmǎ]
極性編碼 英文
polarity encoding
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 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...
  • 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
  1. At first, based on the simple genetic algorithm, an improved ga which adopts a combination of emigration policy and adaptive operator is presented. results of numerical optimization show that the improved ga is effective on preventing premature problem

    本文在基本遺傳演算法的基礎上首先研究了浮點編碼遺傳演算法在數值優化中的應用，通過引進「移民策略」和自適應運算元相結合的方法，改進了基本遺傳演算法在後期進化緩慢的問題，極大地減少了早熟性收斂的現象。
  2. This method establishes the correlation template between one color component and the other two color components by using color correlation between three color components in each feature regions of a color head image. and it " s only necessary to quantize and code the first color component. during decoding, this color component is reconstructed

    該方法利用彩色人頭圖象在各個特徵區域三個色彩分量之間的色彩相關性，建立其中一個色彩分量與另兩個色彩分量之間的相關模板，並只需對第一個色彩分量進行量化編碼，解碼時重構這個色彩分量后，加上極少量的相關模板系數就可解出另兩個色彩分量，從而恢復圖象。
  3. At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder

    硬體方面，採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。
  4. Arma predictive model based celp speech coding algorithm

    基於零極點預測模型的碼激勵線性預測語音編碼演算法
  5. 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。
  6. An expression vector carrying a fragment encoding the amino - terminal part of an fr - 008 type i pks module, containing a keto - synthase ( ks ) and part of an acetyl - transferase ( at ) domain was constructed for trial expression of the extremely high g + c content ( 76 % ) pks gene in plant

    為探索在植物中表達極高g + c含量的pks基因的可能性，構建了攜帶有編碼fr - 008型pks模塊氨基端部分的基因的表達質粒，包括一個酮基合酶（ ks ）和部分酰基轉移酶（ at ）活性結構域。
  7. 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 。
  8. Turbo code was introduced by c. berrou in 1993. turbo code can achieve the error correcting capacity close to the shannon - limit with reasonable decoding complexity, provided that the code words are long enough

    1993年， c . berrou提出了一種新的通道編碼方案? ? turbo碼， turbo碼能夠在編碼長度較長的情況下得到接近香農極限的糾錯性能。
  9. Turbo code, which utilizes the condition of random coding and decoding of shannon noisy channel coding theorem, has obtained the performance near to shannon theoretic limit. the performance of turbo code is the best one in all presented coding methods

    Turbo碼由於很好地應用了shannon有噪通道編碼定理中的隨機性編譯碼條件而獲得了接近shannon理論極限的譯碼性能。
  10. For its error correction performance extremely close to the shannon limit, from the beginning, turbo codes attracts the eyes of enormous professionals and researchers. in turn, it is called the greatest contribution after ungerboeck ' s trellis coded modulation ( tcm )

    因為它具有極其逼近香農極限的糾錯性能，從一開始turbo碼便吸引了通信領域無數專家學者的關注與研究，進而被譽為繼ungerboeck提出格狀編碼調制（ tcm ）以來，通道編碼領域最偉大的貢獻。
  11. The demand is the power forcing speech coding to progress. traditionally linear prediction ( lpc ) vocoders are very efficient, which can encode speech from 800 to 2400bps, but unfortunately, artifacts such as buzzes, thump, and tonal noise always exist in them

    經典的線性預測（ lpc ）聲碼器具有很高的編碼效率，可以極低的碼率（ 800 2400bps ）對語音信號進行編碼，不幸的是它的合成語音聽起來很不自然，常常夾雜著嗡嗡聲，重擊聲或者音調噪聲。
  12. One important feature of radio signals ’ is that the signals are easy to catch and to disturb. in order to disturb the radio signals, parameters, including code rate, modulation, protocol, protection methods and channel coding, about satellite ’ s signals should be known. so, it is possible to receive the data from satellites and obtain lots of information from it, and even to destroy the undesired information

    衛星通信系統的遙控遙測信息都是通過無線通道傳遞，而無線電信號的一個很重要的特性就是發射易被接收、易被干擾，實現干擾的前提是對衛星信號參數的極大了解，這包括明確信號的碼速率、調制方式、所用協議、保密措施及通道編碼等，因此，通過接收衛星數據以獲取大量的未知信息，甚至破壞掉對己的不利信息就成為可能。
  13. The evolution of the local spin in a molecular magnet peg and [ mn4 ] 2 interacting with an injected electron is studied, we find that the variation in the magnetization of fe8, [ mn4 ] 2 and the electron spin crucially depends on the strength of the exchange interaction. we calculate the time evolution of the entanglement between the injected electron and fe8, [ mn4 ] 2

    在磁性分子fe _ 8和[ mn4 ] _ 2的自旋動力學和糾纏演化的研究中，我們發現糾纏度隨著時間而改變；自旋和糾纏度的振動幅度強烈依靠于交換作用，結果提供了用分子磁體和極化電子進行編碼和讀出數據的可能性。
  14. Conventionally, dtv systems adopt coding schemes such as rs or convolutional codes, or concatenated codes, where the error correction performance is still quite far away from the shannon limit

    通常的，數字電視系統採用的通道編碼方案為rs碼或卷積碼，或二者的級聯碼，它的糾錯性能與香農極限相比，仍有一定的距離。
  15. The methods of determination bipolar inputting control signal, optic - electron coder feedback signal connecting with mcu, dimension ' s unity of inputting signal between feedback signal, zero position orientation, and logical drive are proposed and realized

    提出並實現了系統雙極性輸入控制信號采樣、編碼器反饋信號與單片機介面、輸入信號與反饋信號的量綱統一化、零位定位、以及邏輯驅動等處理方法。
  16. Such code is also called gradually good code or shannon code. in 1993, c. berro etc. firstly proposed a new channel code method - turbo code, which employed recursive systematic code 、 the random interleaver 、 map ( maximum a posteriori ) algorithm and iterative decoding algorithm obtained the capacity that had only 0. 7db difference compared to the shannon limitation

    1993年c . berro等首先提出了一種全新的通道編碼方式? turbo碼，採用遞歸系統碼與隨機交織器構造turbo碼，並將map （ maximumaposteriori ）演算法和迭代演算法應用於解碼過程，獲得了與香農理論極限僅差0 . 7db的性能。
  17. It is designed to deliver excellent sensitivity and resolution by using a dispersive grating geometry with a wide - area coded aperture that takes the place of a traditional slit entrance ( more on this later )

    該技術使用了色散光柵質譜法，並以大口徑編碼光闌代替了傳統的狹縫入口，因此表現出極好的靈敏性和辨析率（後文將詳細闡述這個部分） 。
  18. New york, april26 - 27, 1999, pp. 812 - 816. 3 wang y, orchard m t, reibman a r. multiple description image codingfor noisy channels by pairing transform coefficients. in

    在多描述編碼中，編碼器對同一信號源產生具有同等重要性的兩個或多個碼流稱為描述，以使這些描述同時遭遇傳輸失效的幾率降到極小。
  19. In term of bandwidth fluctuation of internet, proposes two types of scalable video coding scheme adapted to transmission of internet, that is, a fine - granularity spatially scalable video coding and a progressive fine - granularity scalable video coding. meanwhile, proposes a wavelet transform ' s algorithm using for lower rate coding

    同時針對internet上傳輸帶寬波動性，提出了兩種可用於internet傳輸的可伸縮視頻編碼方案- - fgss （精細空間可伸縮視頻編碼）和pfgs （漸進精細可伸縮視頻編碼） ，提出了用於極低碼率的小波變換編碼演算法。
  20. Under the comprehensive research and generalization of digital image processing, we got the general procedure about digital image processing. based on the general procedure, following the agile method and extreme programming, applying the recursive procedure composed by require analyze 、 framework design 、 coding, finally we got a experimental 、 stable 、 opened score platform. we checked the theory by practice

    通過對數字圖像處理的全面研究和總結，得出數字圖像處理的一般過程，以此一般過程為基礎，按照敏捷思想和極限編程方法，通過需求分析，架構設計，編碼等幾個不斷迭代進行的階段，最終開發出一個具有實驗性質的、穩定的、開放的評估平臺，運用實踐來檢驗了理論。
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