重疊系數 的英文怎麼說

中文拼音 [zhòngdiěxìshǔ]
重疊系數 英文
contact ratio
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 重疊 : 1 （一層層堆積） one on top of another; overlapping 2 [電學] [計算機] overlap; overlay; superimpo...
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us

    本文從南方紅豆杉種群生態學的角度、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵，包括南方紅豆杉種群年齡結構、種群空間格局（探討分佈格局動態規律與生境相互關系） 、不同立地條件下種群優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及種間競爭等，分析其目前現狀及瀕危原因，期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可持續利用提供理論基礎，也為瀕危植物種群生態學的研究提供參考。
  2. By choosing non - hybrid dictionary, blocking artifacts of dct system can be avoided ultimately. the cost of coding motion information is reduced, so the visual quality of images at low bit - rates is improved. 4

    而且，通過選擇非晶格結構的字典（原子函數之間允許重疊） ，從根本上避免了低速率dct系統帶來的方塊邊緣失真，增加估計的精度，減少對運動信息編碼耗費並提高在低速率下的視覺效果。
  3. In view of problems on solving parabolic equation with non - differentiability, parameter identification on the problems is discussed in this paper by non - overlapping domain decomposition method. main theoretic results are as following. 1

    本文針對一類具有極大不可微性的拋物型方程定解問題，採用非重疊型區域分解演算法，應用分佈參數系統的參數辨識與最優控制理論，研究了該問題的參數辨識問題，主要的理論結果如下： 1
  4. A novel communication receiver which uses lapped transform ( lt ) incorporating modified median filter ( mmf ) algorithm is designed for narrow - band interference excision. the lt domain mmf algorithm takes full advantages of the direct sequence spread spectrum signal, as well as the characteristics of lt, performing the transform domain filtering twice. the first filtering locates the position of interference and mitigates most of them. the second filtering is performed in a small neighborhood of the located interference. so lt domain mmf algorithm can completely mitigate the interference without distorting the desired signal. simulation results demonstrate the improved ber performance and increased robustness of our receiver

    本文採用改進的重疊變換域中值濾波演算法進行變換域抗干擾處理.該演算法既考慮到直接序列擴頻信號的特點，同時又利用重疊變換的特性對變換域系數進行了二次濾波.該演算法節省處理時間，並且不需要有關干擾的先驗知識，系統性能不會隨干擾頻率變化而變化，因而是一種很穩健的處理方法
  5. The nucleotide ( nt ) sequence of the insert in phz1754 is 2299bps in size. computer assisted analysis of the sequence revealed an open reading frame ( orf ) with a g + c content of 70. 3 % that would encode a protein of 552 amino acids ( aa ). the nt seque nce comparision revealed that the orf in the sequenced region exhibits 85 % dna sequence homology with the cholesterol oxidase gene choa of streptomyces sp

    對phz1754進行外切核酸酶（ exonuclease ， exo ）順序缺失，獲得單向長度漸減重疊的系列突變體，核苷酸序列測定顯示出該ecor - sal片段的精確大小為2299bps ， frameplot程序分析揭示出該區域一個完整的開放閱讀框（ orf ）的存在，其大小為1656bps ， g + c含量為70 . 3 ，編碼552個氨基酸，利用blastsearch程序將orf的核苷酸序列及推導的氨基酸序列與因特網上基因及蛋白質數據庫進行綜合比較，發現無論在核苷酸水平還是在蛋白水平上，該orf均與膽固醇氧化酶表現出同源性，而且與鏈黴菌膽固醇氧化酶同源性最高，說明該orf編碼膽固醇氧化酶基因。
  6. In blasting experiments, durations of subordinate basting seismic waves and intensity of influence among them are changed by adjusting the number of subordinate blasting, explosive weigh of subordinate blasting, total quantum of explosive, interval, hole - net parameters and wave resistance of rock, etc

    摘要在爆破實驗中，通過調整段數、分段炸藥量、炸藥總量、間隔時間、孔網參數、巖石波阻等爆破相關因素，以改變各分段爆破地震波持續時間、段別間爆破地震波重疊程度來研究爆破地震強度與爆破相關因素間的相互關系。
  7. A good many case of approaching excavation are studied in this article, such as the study of infection of be coal mining to the huayingshan tunnel, technology study of strucked tunnels of metro in shenzhen, countermeasure study of tunnel approaching pile foundation of metro in guangzhou, excavation methods optimized of large cross section subaqueous tunnel approaching pile foundation of lrt in chongqing, etc. on the basic of analysing and concluding relative study production all over the the world by the numbers, classification of approaching excavation, partition of approach zone, formula of partition of approaching zone, approach degree and countermeasure grade of generalized approaching excavation of underground works are put forward. general methods studying and trea

    本文結合作者多年來對華鎣山隧道減少壓煤量研究、深圳地鐵重疊隧道第11頁西南交通大學博士研究主學位論文技術研究、廣州地鐵公紀區間廣紡聯段鄰樁施工對策研究和重慶輕軌大坪大斷面車站鄰近基礎淺埋暗挖工法優化分析等諸多近接施工問題案例的研究，在系統分析和歸納總結國內外相關研究成果的基礎上，系統地提出了廣義的地下工程近接施工的分類、分區、分區指標表達式、近接度與對策等級概念以及分區、分度準則，給出了研究和解決近接施工問題的普遍方法，如數值分析先行，模型試驗、現場測試驗證等。
  8. For the close relationship between algebra and geometry, there are unavoidable overlaid in their contents

    高等代數與空間解析幾何關系如此密切，這兩門課程的內容不可避免地有很多重疊部分。
  9. Prosody. models of speech planning ; evidence from speech errors. modification of features and acoustic properties in fluent speech ; gestural overlap, reduction, enhancement

    18韻律學。語言規劃模型。語言錯誤的實證。特徵系數的改變和流暢語言中的聲學特性。姿態的重疊、簡化和加強。
  10. Introduced the coefficient of sweep zone, the condition of complete coverage of circumference for the pipeline has been extensive studied for a few types of sensor carriers, such as multi sensor array, multi rotating sensor array and single sensor rotating reflector

    首次引入掃描帶重疊系數的概念，建立了多探頭陣列式、多探頭旋轉式和單探頭旋轉反射鏡式檢測頭的不漏檢條件。
  11. 4. as for the design of this kind of structure mentioned above, the thesis " ana1yzed " systematica1ly the inf1uence of the over1ay of the two - - way reinforcement on its u1timate. 1oad capacity, the deciding of such important factors as the depth - - span ratio and the rib spacing etc

    針對周邊支承雙向密肋夾心樓蓋的設計，本文結合實例，較為系統地分析了兩向鋼筋重疊對樓蓋極限承載力的影響以及樓蓋高跨比、肋間距等參數的取值等問題，為該類樓蓋的設計提供參考。
  12. 4. on original data arrangement of views, first, this paper discusses the instance of line overlap and gives the concept of hidden point, next, a method for breaking line is put forward by the means of handling two lines intersection, at the end, data check and correction is described through topological relationship between primitives and dimension set of drawing. to make a summary, from the viewpoint of practicality, the method of engineering drawing pre - processing proposed in this paper over comes traditional

    4 .在視圖原始數據整理方面，首先討論了重疊邊的分解與重構方法;然後給出了隱含點的概念，通過對二維線段相交情況的處理分析了求取隱含點的斷線演算法;最後描述了如何利用實體的拓撲關系檢查輸入視圖中的錯誤以及利用工程圖中的尺寸集來校正這些錯誤。
  13. Doing the further research on the division frequency stack on the foundation of study of predecessor, at first the residual moveout correction is done to the seismic record, make the phase axle regularity, doing foundation for the same phase stack ; then carried on division scale processing by wavelet transform ; spectrum whitening is done to each scale, the high and low frequency band need to do prolongs, the middle frequency bands only increase the value of the frequency spectrum ; several kinds of methods that estimate the value of signal - noise ratio has been studied further, and summarize their advantage and disadvantage as well as the scope of application ; the seismic record after spectrum whitening is stacked by weighting with the value of the signal - noise ratio ; then estimate the value of signal - noise ratio which is each scale section after stacking, the scale that the signal - noise ratio is big is assigned big weighting, otherwise, the scale that signal - noise ratio value is small is assigned small weight ing, and carried on weighted reconstruct to each scale section

    本文在前人研究的基礎上，在分頻疊加方面做了進一步的研究。首先對地震記錄進行剩餘時差校正，校齊同相軸，為同相疊加做好基礎工作；然後對地震記錄用小波變換的方法進行分尺度處理；對各個尺度分別做譜白化，對于高、低頻段需要做頻帶延拓，中間頻段僅提升頻譜值；對于幾種信噪比定量估計的方法進行了深入的研究，並且總結了它們的優缺點以及適用范圍；對譜白化后的地震記錄用信噪比估計值作為加權系數進行加權疊加；對于各尺度的疊加剖面也進行信噪比估計，對于信噪比大的尺度給予大的加權系數，反之，信噪比值小的尺度給予小的加權系數，對各尺度疊加剖面進行加權重構。
  14. The taper piston ring conic degree measuring instrument is a kind of special instrument that measures the conic degree of each one amongst a group of superposing piston rings, and the research on data acquisition and control system of this instrument is the key point of this thesis

    錐面活塞環錐度方向識別儀就是用於檢測重疊在一起的一組環中其中每一環的錐度值且辨別其方向的一種專用儀器，本論文重點研究了該儀器的數據採集及控制系統。
  15. The new series has year 2000 as the base year. in the new series, indices for periods prior to 2000 are obtained by re - scaling the previously published series, which has 1990 as the base year, using a conversion factor derived from the levels of the old and new series in the overlapping period of 2000

    二零零零年以前的新系列指數是將以往發表的舊系列指數（以一九九零年為基期）按比例換算得來，所用的換算因子是根據新舊系列在二零零零年重疊期間的數值而計算的。
  16. The simulated results show that we can improve the sensitivity by setting the optical bias at / 2, reducing the gap of electrode, increasing the overlap integral factor, reducing the insert lose, adopting suitable segmentation number, increasing the electrode length, increasing the optical power, reducing the wavelength and the relative intensity noise and reducing the receive bandwidth ; obtain the wider bandwidth utilizing reducing the electrode length and the capacitance of modulator, segmentation the electrode ; increase the dynamic range using lowering noise, increasing the optical power at the detector and lower optical bias

    通過計算得知，使傳感器相位偏置為/ 2 ，減小電極間距，提高電光重疊因子，減小器件插入損耗，採用合適的分段數，增加電極長度，增大光功率，降低激光的波長，減小相對強度噪聲，減小接收帶寬，對提高靈敏度的效果是非常明顯的。而減小天線長度，降低調制器電容，電極分段，都可以獲取較大的帶寬。降低系統噪聲;增加到達探測器的光功率，採用較低的光學偏置，都可以增大線性動態范圍。
  17. Lighting control, material, view transformation ), that we can get realistic 3d terrain in chapter 4, we discuss the key technology of the zzco2 radar armored reconnaissance tank system, which includes multiple rs - 422 serial port communication, the synchronous of thread, the overlap operation of i / o, the application of windows graphics function, the multiple layer display of electronic map, and orale dbms etc

    第四章具體介紹雷達偵察車系統軟體中的關鍵技術，包括rs - 422多串口通信、雷達偵察系統中的線程同步和i / o重疊操作、 windows圖形功能在本系統中的應用、電子地圖多層顯示、 oracle數據庫等。
  18. To many not strictiy self - similar image, the usual fractal image compression method based on block partition divides the image into non - overlap regular shape block collection. every block ' s iterate function system is found out by local self - similarity. the parameters of all iterate function system form fractal image compression code

    這種方法將圖象劃分為規則形狀的不重疊的子塊集，根據子塊的局部自相似性，找出集中每一個子塊的迭代函數系統，由全體子塊的迭代函數系統參數形成分形圖象壓縮編碼。
  19. Based on the wholly, dynamics and integrated principle, the guide of petroleum geology and computer technology, the research has been done as follows by the factors of geology, gravity, magnetism and electricity : ( 1 ) building chronostratic framework of wangjiang - qianshan and its neighbor, divide and compare carbonic and permain sequence. ( 2 ) studying distribution of sediment series in different period. ( 3 ) studying the basic tectonic transform style, preliminarily dividing main tectonic units. ( 4 ) describing the formation and evolution of basin

    本文以整體、動態、綜合分析為原則，以石油地質理論為指導，以計算機技術為手段，利用地面地質、重力、磁力、電法所獲得的各項參數，進行了以下研究工作：建立望江?潛山盆地及鄰區的年代地層格架，並對石炭、二疊系地層進行層序劃分與對比；研究不同時期沉積體系的展布特徵；研究盆地的基本構造變形樣式，初步劃分盆地的主要構造單元；描述盆地的形成演化過程；在上述研究基礎上劃分推測的含油氣系統。
  20. The resultshowed that the majority of the species in the wan mu ling are of narrow niche, the relationamong the species is very complex and many species share in the resource ; the niche proporrion - al similarity and the niche overlap index reflect the niche characteristics of the evergreen broadleaved woodland in subtropical forest

    結果表明：組成萬木林森林群落的種群絕大多數為狹生態位、種群之間關系復雜，對資源具有一定的共享性；種群之間的生態位相似性比例和生態位重疊指數指標值反映了亞熱帶常綠闊葉林的生態特徵。
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