編碼基數 的英文怎麼說
中文拼音 [biānmǎjīshǔ]
編碼基數
英文
code base- 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...
- 數 : 數副詞(屢次) frequently; repeatedly
- 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
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Also designed this part of correspondences procedure process and procedure codes. the thesis takes a simple introduction about the data transmission on base band
論文對數據基帶傳輸編碼做了簡單介紹,闡述了數字基帶信號的碼型選擇的原則。The majority of mitochondrial proteins are encoded by nuclear genes, synthesized in the cytosol and subsequently imported into mitochondria
摘要線粒體的大多數蛋白質是由核基因編碼、細胞質合成,而最終運輸到線粒體。Design of dtv logo inserter based on video transcoding
基於視頻轉換編碼的數字電視臺標機設計A digital watermarking algorithm based on subspace
基於分形壓縮編碼的數字水印技術In communicaton the bandwidth is an important problem that we should consider, specially in wireless communication. in fact the fiber is mainly used in backbone networks, so it is essential to develop the low rating coding technology of voice. the arithmetic of melp is based on the model of lpc and use the form of mixed excitation. because it integrates the idea of multi - band, so it has the merit of lpc and mbe. it is a perfect coding scheme in low rating voice coding relatively
而melp語音壓縮編碼演算法是在線性預測編碼參數模型的基礎上,採用混合激勵的形式,並且結合了多帶的思想,因此它擁有線性預測編碼和多帶激勵的優點,是目前低速率語音編碼中一種比較理想的編碼方案,也是本文研究的重點。本論文通過研究melp的語音編解碼演算法的原理,對它的編解碼過程作了比較深入的研究,對其中的一些公式進行了理論推導,並作了模擬分析,最後研究了該演算法的c語言實現。Traditional coding algorithms are based on simple n - gram models. those distant constraints and some redundancies in natural language, such as word order redundancies, semantic redundancies and syntactic redundancies, are neglected in the n - gram models. in order to find and reduce those redundancies, we need more intelligent algorithms based on more effective models
通用無損數據編碼是數據壓縮領域的一個重要的分支,現有的無損數據編碼方法大多是基於n - gram模型的, n - gram模型忽略了自然語言中的遠距離約束和諸如詞序冗餘、語義冗餘、句法冗餘等冗餘,為了找出並減少這些冗餘,需要更有效的語言模型和更智能的演算法。With different modeling methods and quantization techniques, the speech compression schemes discussed in this thesis include : the compression based on general matching pursuit sinusoidal modeling, the compression based on sinusoidal modeling with perceptual gradient, the compression based on dynamic dictionary matching pursuit, the compression scheme using classified dynamic dictionaries, and the integrated compression scheme that combines the sinusoidal modeling with perceptual gradient and the classified dynamic dictionaries
針對各種不同建模方法和參數量化技術,本文探討了基於普通匹配跟蹤正弦建模的壓縮編碼、感知梯度正弦建模壓縮編碼、基於動態字典匹配跟蹤的壓縮編碼、分類動態字典壓縮編碼,以及結合感知梯度正弦建模和分類動態字典的綜合編碼方案。Objective : construct high - level expression system of echistatin in e. coli methods : obtain amino - acid sequence of echistatin from genebank database. considering the bias of usage of 61 available aminoacid codons in e. coli, design the coding sequence of echistatin, synthesize the dna sequence chemically, get single copy coding gene and repeated two copy coding gene of echistatin. insert the sequence into expression vector pbv220, and more, we construct fusion expression clone of echistatin with pcr, identify the recombinant vector by dna sequencing
目的構建蛇毒鋸鱗蝰素( echistatin )的原核高效表達體系方法由genebank數據庫檢索蛇毒鋸鱗蝰素( echistatin )的氨基酸序列,結合大腸桿菌蛋白質合成體系對氨基酸密碼子使用的偏愛性,設計了echistatin編碼基因,體外人工合成編碼基因dna片段,通過適當的限制性內切酶位點插入表達載體pbv220 ,分別構建了echistatin的單拷貝表達克隆、雙拷貝串聯表達克隆;進一步通過pcr技術構建echistatin的融合表達基因克隆。A digital image watermarking algorithm based on quadtree and error correcting code
基於四叉樹和糾錯編碼的數字圖像水印演算法However, when nullable types are used directly as web method parameters or return values, the nullability will not be reflected in the resulting wsdl in the following cases : 1 when rpc - based soap messages are used, and 2 when document - based soap messages are used with encoded parameters in the bare mode. the topic,
但是,當可為空值的類型直接用於web方法的參數或返回值時,在以下情況下將不在結果wsdl中反映出這一可為空性: 1 )在使用基於rpc的soap消息時, 2 )在將基於文檔的soap消息在bare模式中用於編碼參數時。Then we use lifting scheme improve wavelet analysis methods and proposed a kind of digital watermark algorithm based on error - correcting coded which is a method of communication theory and is to correct watermark signal
然後在這一水印演算法的基礎上,使用小波提升技術來改進小波分析方法,再使用通信理論中的糾錯編碼方法對水印信號進行糾錯控制,並提出了一種基於糾錯編碼的數字水印演算法。This thesis studies the method about the military map data fusion based on mapinfo : first, it introduces the classifies, the encoding and the formats of the military map data, and how to unify them ; then by programming and using the operations which maplnfo provides to realize data conversion including element stratums, attribute encoding and data formats. by this way can realize the unity in these three aspects ; finally, by using graphics clipping and contour line tracing to realize the military map data fusion
本文重點研究了基於mapinfo平臺的軍用地圖數據融合方法:首先研究了各種軍用地圖數據的分類、編碼和格式統一的途徑;然後通過編製程序和利用mapinfo平臺的各種操作功能實現了包括要素層、屬性編碼和數據格式在內的數據轉換,實現了三種軍用地圖數據在這三方面的統一;最後,通過圖形裁剪和等高線的追蹤等演算法實現了軍用地圖的數據融合。Firstly, it introduces the development of speech coding, along with the significance of the low bit rate speech coding. it also compares the model of traditional dualistic excitation lpc vocoder and the multi - band excitation vocoder, and lucubrates the analytical method of frequency domain and time domain in the parameter extraction of multi - band excitation vocoding. secondly, based on the parameter extraction operation of keynote cycle, it adopts time domain in rough estimate operation of keynote and frequency domain in fine estimate operation of keynote, in according to the immediacy required in practice, to minish operation amount
本文闡述了一種基於fpga的多帶激勵語音編碼器的研究與設計,首先介紹語音編碼研究的發展狀況以及低速率語音編碼研究的意義,接著對比分析了傳統二元激勵lpc聲碼器模型和多帶激勵編碼器模型,並深入研究了多帶激勵語音編碼參數提取的頻域和時域分析法,然後根據實際應用的實時性要求,為了減小運算量,在基音周期參數的提取的演算法實現上,本文採用在時域進行基音粗估運算,在頻域進行基音精細估計運算。" xiyuan4 ", a b. olereacea l. and " 2001817 ", a b. napus l. were bred by southwest agricultural university. here using them as materials, we studied and explored thoroughly the dna and cdna sequences of thl2 gene and mod gene with bioinformatical methods. for the first time, based on sequence data, we analyzed the structure, heredity and variation of the dna sequences encoding thl2 and mod, and foresaw the molecular mechanism in self - incompatibility signal process
本研究以西南農業大學繁育的高度自交不親和的『西園4號』甘藍和『 2001817 』油菜為試材,採用生物信息學的方法全面研究和探索性的分析了thl2基因和mod基因的dna與cdna序列,首次從序列數據出發研究這兩個編碼基因的結構與遺傳變異,以及在自交不親和性信號轉導中的作用機理The dissertation compiles and develops error resilience function module, which is based on mpeg - 4 ( iso 14496 ) video part that is compatible with first generation and is ground on visual object. it is founded on familiarity with syntax and semantic of mpeg - 4 video. and the decoder refers to no error resilience deocder and decodes mpeg - 4 iso encoder coded video data streams
本文以國際壓縮標準mpeg - 4 ( iso14496 )這一兼容第一代壓縮演算法的基於視頻對象的視頻部分iso14496 - 2 )為平臺,在熟悉mpeg - 4視頻流語法和語義的基礎上,對mpeg - 4iso - encoder視頻編碼器編碼的數據流,參照其沒有錯誤恢復的視頻解碼器,編寫、增加視頻容錯演算法處理模塊。Then, in the second chapter, we generalize the mathematical principle of fractal image compression. in the third chapter, we introduce jacquin ' s fractal image compres - sion method and fisher ' s self - adapted quadtree image compression method
第二章給出了分形壓縮編碼的數學原理和理論基礎。第三章介紹了jacquin的分形壓縮編碼方法和fisher的自適應四叉樹編碼方法。The watermarking technology based on fractal compression
基於分形圖象編碼的數字水印技術的研究In section two, we introduce some of the main coding theories that was in the g. 729, including the digital model of the production of speech signal, the linear prediction coding, vector quantization, lbg arithmetic and perceptual weighted filtering
第二章著重討論了g 729語音壓縮協議中所涉及到的語音編碼基礎理論。主要包括語音信號產生的數字模型、語音信號的線性預測分析、矢量量化及其lbg演算法和感知加權濾波器。Each of the human mrna sequences was blasted against mouse mrna sequences and the top hit was blasted back to the original human mrna database. if the top human mrna hit is the same as the original human mrna, we assumed an orthologous relationship between the human and mouse genes. to minimize the redundancy, only human mrna in genbank refseq section was used to establish any human - mouse ortholog relationships
每個mrna用blastn程序與genbank數據庫中的小鼠核酸序列進行比對,找出與其匹配程度最高的mrna序列,將該序列重新用blastn程序與數據庫中人的核酸序列比對,如果其中匹配程度最高的序列與最初輸入的人mrna序列一致,則將小鼠中這條序列的編碼基因作為人類該基因的同源基因。With this method, the compressed bit - streams, which are encoded by dct - based encoding algorithm, can be processed directly to locate the character - regions in the images, just a very small amount of decoding is required so, the amount of data which want to process is smaller, the processing speed is faster and the demand of computer memory is less
文獻中將此模型用在以dct為編碼基礎壓縮數據上,效果較好。本文將其演算法中的能量定義利用塊間的信息重新定義,並且採用自適應動態閾值對原演算法進行改進。對比實驗結果表明,改進的方法對圖像字元定位比原方法準確率更高,漏檢情況有一定程度的降低,取得了較好的效果。分享友人