降序列 的英文怎麼說

中文拼音 [jiàngliè]
降序列 英文
descending chain
  • : 降動詞1. (投降) surrender; capitulate 2. (降伏) subdue; vanquish; tame
  • : Ⅰ動1 (排列) arrange; form a line; line up 2 (安排到某類事物之中) list; enter in a list Ⅱ名詞1...
  1. It was found that they were fit for the lpi applications. on the digital signal processing, we studied the demand on compute ability for fast acquest. we designed a new signal form named ds - fh - th signal which costs less in processing but without any lost on the lpi performance

    在信號的數字處理方面,分析了直接擴頻雷達在信號捕獲階段對計算能力的要求,在不低系統lpi性能的基礎上,設計了ds - fh - th雷達信號,低系統對計算能力的要求。
  2. On the base of researching the theory of the scheme and analyzing the signal feature, it is obtained that the existence manners and character of distance information in the differential frequency signal. at the same time, a new conclusion is gained that the technology of frequency agility can decrease the constant error of system. it is also to say that frequency agility and frequency modulation fixed - distance fuze has the similar feature to random period frequency modulation fixed - distance fuze. according to the theory of address coding in the hopping - frequency communication, the paper presents the principle of selecting the frequency agility sequence which fit to the radio fuze and constructs the frequency agility sequence family based on the rs codes

    在深入研究方案原理和分析信號特徵的基礎上,獲得了該體制引信差頻信號中,距離信息的存在形式和特點,得出了頻率捷變技術的引入低了系統定距固定誤差這一新的結論,即頻率捷變調頻定距引信在定距性能上具有類似隨機周期調頻定距的特徵。本文引入跳頻通信地址編碼理論,結合無線電引信的具體特徵,提出了適用於無線電引信的頻率捷變的選擇原則,並構造了基於rs碼的寬間隔頻率捷變族。
  3. Whole mount in situ hybridization showed that amphihmgb transcripts were present ubiquitously in the early embryos from zygote to neurula, but they decreased gradually in mesoderm and endoderm and neural tube with development, and became restricted to epidermal cells in the hatched larva. it appear s that hmgb plays a role in the mitosis and differentiation of embryonic cells. another amphioxus cdna, amphiubf80, encoding ubiquitin / ribosomal fused protein s27a, was isolated from the gut cdna library of b. belcheri tsingtauense

    S004cdna編碼一個156個氨基酸殘基組成的蛋白質,與人的泛素蛋白ubf80具有較高的氨基酸同源性( 145 / 156同源) ,且該蛋白具有泛素蛋白ubf80所共有的兩個結構域,即由72個氨基酸組成的泛素介導的蛋白解結構域和由48個氨基酸組成的核糖體蛋白s27a結構域。
  4. The work of the paper mainly includes : ( 1 ) present a model for measuring the similarity between two hydrological time series. in this model, we adopt an intuitive dimensionality reduction technique for hydrological time series which is called piecewise average approximation ( paa )

    主要工作包括: ( 1 )提出了適合水文時間數據特點的相似性模型,採用簡單直觀的等時間間隔分段平均值技術( paa )作為水文時間維方法。
  5. Aiming at the stock market data ( smd ) increasing infinitely, being short, noised seriously, three algorithms are presented to pretreat smd. they do n ' t reduce the useful information but also eliminate the noise ; 2

    基於股市數據無限增長及我國股市數據的時間不長、噪聲水平較高,提出三種股市數據預處理演算法,在低噪聲水平的同時又不損失長程相關的有用信息; 2
  6. According to the least twin multiplication to calculating the sensitivity index in several water production functions. thus, the writer obtains the fitted the value of the sensitivity index and the varied rule. at the same time, the writer puts forward a new method named rag a ( real coding based accelerating genetic algorithm ) and combines raga with dpsa to calculating the best irrigation system under the non - sufficient irrigation of well irrigation rice in sanjiang plain

    根據《隨機水文學》理論中的時間分析法,建立了適合三江平原井灌水稻需水量預報的非平穩時隨機模型;通過分析雨隨機特性,選定季節性時隨機模型,建立了適合三江平原井灌水稻雨預報的月平均雨模型;根據最小二乘法,計算出幾種常用水分生產函數中的敏感指數及敏感系數,進而得到三江平原適宜採用的水分生產函數漠型及模型中敏感指數的變化規律;本文提出遺傳動態規劃法( raga ? dp ) ,即採用改進的基於實數編碼的加速遺傳演算法( realcodingbasedacceleratinggeneticalgorithm ,簡稱raga )與動態規劃法( dpsa )相結合,推求非充分灌溉條件下三江平原井灌水稻的最優灌溉制度。
  7. To deal with the question that how we can guarantee the dna sequences which are stored in the personal dna database are anonymous, that no one can find out whom a special dna sequence is collected from, this paper get a new method ? savior, by improve dnala ( dna lattice anonymization ), which is a method settling this question. savior replaces the multiple alignment in dnala with pairwise alignment between every tow sequences, and replaces the greedy algorithm in dnala with stochastic hill - climbing. for doing this, it can save the time for data pretreatment, and add the precision of classing

    針對個人dna數據的隱私保護問題,即:如何保證無法將存儲在數據庫中的dna信息與其提供者的個人身份信息(如:姓名,身份證號碼等)聯系起來,本文對一種新近開發的隱私保護方法? dnala ( dnalatticeanonymization )進行了改進,在數據預處理階段,用兩兩雙比對代替了原演算法中的多比對,在不低處理精度的情況下減少了數據預處理所耗費的時間;用隨機爬山法代替了原演算法中的貪心策略,增加了演算法後期處理的精度,從而形成了一種新的演算法? savior 。
  8. The calculation results show that the method designed is quite satisfactory. the models can reproduce the annual precipitation sequence and monthly precipitation sequence. and then the regional aridity index can be estimated statistically, in addition, they can reproduce the characteristic of history precipitation series

    這兩類模型分別用於生成模擬年雨量和月雨量作為地區乾旱指標,從而對所研究地區乾旱特徵量的統計特性進行估計,並對已發生的地區乾旱的重現期進行識別。
  9. The method of bispectrum can extract characteristic of seismic series bispectrum and detect fracture zones by decreasing dimensions

    雙譜法通過採用模式識別的方法對地震的雙譜提取特徵,通過維實現裂縫發育帶的檢測。
  10. The essence of edid is to set up a normal behavior fuzzy sub collection a on the basis of watching the normal system transfer of the privilege process, and set up a fuzzy sub collection b with real time transfer array, then detect with the principle of minimum distance in fuzzy discern method the innovation point of this paper is : put forward the method of edid, can not only reduce efficiently false positive rate and false negative rate, also make real time intrusion detection to become possibility ; have independent and complete character database, according to the classification of monitoring program, design normal behavior and anomaly behavior etc., have raised the strongness of ids ; use tree type structure to preservation the character database, have saved greatly stock space ; in detection invade, carry out frequency prior principle, prior analysis and handling the behavior feature of high frequency in information table, have raised efficiency and the speed of detection, make real time intrusion detection to become possibility ; have at the same time realized anomaly intrusion detection and misuse intrusion detection, have remedied deficiency of unitary detection method

    這種方法的實質是在監控特權進程的正常系統調用基礎上建立正常行為模糊子集a ,用檢測到的實時調用建立模糊子集b ,然後用模糊識別方法中的最小距離原則進行檢測。本文的創新點是:通過對特權進程的系統調用及參數的研究,提出了基於euclidean距離的入侵檢測方法edid ,不僅能有效低漏報率和誤報率,而且使實時入侵檢測成為可能;設計有獨立而完整的特徵數據庫,根據被監控程的類別,分別設計正常行為、異常行為等,提高了檢測系統的強健性和可伸縮性;特徵數據庫按樹型結構存儲,大大節省了存儲空間;在檢測入侵時,實行頻度優先原則,優先分析和處理信息表中的高頻度行為特徵,提高檢測的速度和效率,使實時入侵檢測成為可能;同時實現了異常入侵檢測和誤用入侵檢測,彌補了單一檢測方法的不足。
  11. Three amendments are made to neighbor - joining method : first, a more precise evolution model is used to calculate the distance between sequences ; second, sequences are used to generate multiple typological structures, and hence compensate the shortcoming of neighbor - joining method, which can generate only one typological structure ; third, back mechanism is introduces to avoid the negative branch length in distance method and get a more accurate tree

    本文對距離法中的鄰接法進行了三點改進: 1 .使用更精確的進化模型來度量之間的距離,低因模型而帶來的誤差; 2 .通過隊產生多個拓撲結構,解決了鄰接法只能產生一個拓撲結構的缺陷; 3 .引入回退機制,消除了距離法中負枝長的產生,得到的樹更準確。
  12. Owl has three sublanguages : in order of decreasing expressiveness, they are

    Owl有三個子語言:按表現能力,分別是
  13. In recent years, it is due to the modification and improvement of the algorithms and especially the development of computer science and technology both in hardware and software that lead to the advent of such practical analytic tools as blast, fasta, clustalw, which can relatively cater for the need of research in both efficiency and accuracy. the fundamental way to improve computation efficiency and accuracy is to better the alignment algorithms in principle so as to minish the computation complexity

    雖然近年來由於演算法自身的不斷改進以及計算機科學的發展,其實現程依靠計算機硬體和軟體開發技術的提高得到了效率和精度上的改善,從而使現在應用廣泛的比對或數據庫搜索程如blast 、 fasta 、 clustalw等才獲得了相對滿意的計算效率,但是從理論基礎和思想原理上改善比對演算法以期低計算復雜度,才是提高計算效率和精度的根本途徑。
  14. Through summarization for complicated geohydrology and engineering geology condition of research area, the non - stability 3 - dimension flow model of ground water and land subsidence model were established in this thesis. the coupled models of ground water and land subsidence were combined with a large series of water level observation and land subsidence information to debug the parameters and ascertain the models

    兩者通過含水層的水位內在聯系耦合在一起,並根據研究區水文地質條件及抽水試驗資料,結合大量的水位觀測資料及地面沉觀測資料對模型進行調參,標定地下熱水運移的三維有限元數值模型,所建模型可以對地下水水位及地面沉同時進行模擬預測。
  15. The climate change characteristics of precipitation in the west region of china have been analyzed and studied comprehensively based on the data of yearly, seasonal, monthly precipitation sequence and the number of rainy days on yearly. seasonal and temperature departure sequence of the globa, the northern hemisphere during the period of 1961 to 2000 at 109 stations in the west region of china

    本文利用中國西部地區109站1961年到2000年年、季、月,中國西部109站的年、四季雨日數,全球、北半球1961年至2000年年、季溫度距平,對中國西部水的氣候變化特徵進行了全面研究。
  16. Rna silencing is a common phenomenon of rna degradation that is induced by homologous sequences. virus and transposon invasions and various kinds of aberrant rnas can provoke rna silencing

    Rna沉默是生物體中普遍存在的一種由同源引起的rna解過程,病毒或轉座子入侵、以及體內產生的各種異常結構rna都可能成為誘導rna沉默發生的因素。
  17. This is the reason why reversing the index when its leading column is fed by a sequence reduces buffer contention, removes the hot block problem and by doing so, reduces the potential for buffer busy waits on a multi - user system

    這正是為何當前導( /起始)生成時索引的逆處理可以低緩存爭用,解決熱塊問題,並且這樣做可以在一個多用戶系統中減少緩存忙等待的機會。
  18. Based on knowledge reasoning, fuzzy theory, extraction of sub - assembly and cluster, and hierarchical connection relation graph, an assembly sequence generation algorithm is studied in this paper, which breaks down the original complex assembly sequence generation problem into several small scale assembly sequence planning problems to reduce the computing complexity caused by cut - set theory. a hierarchical and / or graph to store all the generated sequences is also employed for this purpose

    本文提出基於知識推理及模糊理論,結合子裝配與聚族提取以及裝配樹,利用層次聯接關系圖,將一個復雜的裝配求解問題轉化為若干個相關的小規模裝配求解問題,並用一種層次與或圖結構存儲裝配,使割集法求解裝配的計算復雜度大大低。
  19. Direct sequence - code divition multiple access ( ds - cdma ) technology is achieved easily and used widely at present its receiver capability is confined by two factors, one of which is the multiple access interference ( mai ) which makes the capacity low, another of which is the near - far problem

    直接擴頻-碼分多址( ds - cdma )技術是最易實現、也是目前應用最廣的一種方式,它的接收性能受到兩個主要的限制:一個是多址干擾造成的性能下;另一個則是遠近效應問題。
  20. Nucleic acid sequences of azoreduclase were searched and blasted in genbank. a pair of primers based on the conserved regions were designed. a specific fragment was amplified by pcr from the plasmid of rhodopsedomonas palustris and sequenced. the sequence contained a complete 471bp orf ( open reading frame )

    脫色實驗證明沼澤紅假單胞菌( rhodopsedomonaspalustris )對偶氮染料有較強的解能力,我們通過genbank搜索,對所獲得的所有偶氮還原酶基因在ncbi進行比對並設計引物,從沼澤紅假單胞菌質粒中擴增獲得了一條含471bp完整開放閱讀框架的
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