數據分散度 的英文怎麼說

中文拼音 [shǔfēnsǎn]
數據分散度 英文
degree of scattering
  • : 數副詞(屢次) frequently; repeatedly
  • : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 數據 : data; record; information
  1. The model of the itr between a1n and cu is built by using the acoustic mismatch model, amm and diffuse mismatch model, dmm. because there is a limit of roughness and temperature in amm and dmm, the data of the theory model that is directly built by amm and dmm is far from the experimental data. accordingly, with dmm and traditionary methods, the mathematics model is posed by contrast and analyses of the experiment data

    由於聲失配理論和聲失配理論對溫和粗糙有很嚴格的要求,所以直接建模所得的理論與實驗有很大的差距,本文採用聲失配理論與傳統研究方法相結合,通過與實驗析擬合,提出了修正的學模型,預測誤差有了大幅的提高。
  2. This paper also ana1yzes the sidescan mapping princip1e of the mu1ti - - beam bathymeter, and process the avai 1ab1e data with sidescan mapping method to achieve the sidescan imagery represented by the reverberation strength

    本文還對多波束測深聲納側掃成像原理進行析,利用現有的進行多波束側掃成像處理,形成表示海底反向射信號強的海圖。
  3. The research of this paper includes three parts : the first, according to the statistical figures about the cargo transport in recent years, it analyzes cargo transport structure and the changing law and the internal reason of cargo transport. at the same time it analyzes and calculates the change of the arriving ships " structure for a systematic and full understand of the transport demands. the second, it make a scientific forecast of the port ' s future cargo capacity making use of the grey forecast system, which provides scientific basis for medium - long term development plan of the port ' s cargo handling capacity

    本文研究的工作主要三個部:第一,根張家港近年來有關貨物運輸的一些統計,對貨物運輸的結構和規模演變的規律及內在原因作一剖析,同時對到港船舶的結構變化進行預測,以求對運輸需求有一個系統全面的了解;第二,應用灰色預測系統對張家港港未來港口貨運吞吐量進行科學預測,為張家港港貨物裝卸能力規劃提供科學依;應用物元析技術對張家港港口的未來發展前景作出一定程析、研究,找出張家港港口未來發展規劃的零無序、不成系統的因素,總結前人經驗的基礎上採用綜合評判物元模型進行評判,在預測港口未來發展規劃是否科學實際上具有獨到見解。
  4. As it can be expressed easily by argument equations, we use the conicoid as the criteria of points " classification. based on the point ' s normal and the adjacent field, corresponding to the conicoid equation such as plane, ball and cylinder, we search the points that fit the equation along the adjacent field. using this method, we realized the automatic classification of unorganized points

    本文採用了可以比較方便地用參方程表示的二次曲面作為點的類標準,根點的法向量以及其鄰域結點的各種屬性,對應于平面、球面、柱面等二次曲面,依曲面方程的特點,從起始點開始沿鄰域深優先遞歸尋找符合方程的點,實現了點的自動類。
  5. Firstly, this paper contrapose the disfigurements which exist in the internal gis software, the trend and technology of gis in the era of internet was discussed. secondly, using distributed computing technology to solve the problem of speed, making use of distributed database technology to settle the data distribution and share problem and utilizing distributed object technology to solve the problem of integrating the subsystems. finally, according to analysis for actual problem i have met in my developing process, this paper put forward a blue print which is very available to webgis based on distributed environment

    本文首先針對目前國內gis軟體的缺陷,對網際網路時代地理信息系統的發展趨勢和技術進行了探討;然後提出利用式計算技術解決速問題,利用庫技術解決佈和共享問題以及利用式對象技術克服各子系統集成問題的思路,探討了在上述技術的基礎上開發動態更新的webgis ;最後通過對實際應用中所遇到問題的析,提出了切實可行的基於式環境的webgis解決方案。
  6. Method of deal with data error by subsection curve fitting and discrete degree

    段曲線擬合與離加權的誤差處理方法
  7. This dissertation presents a hypoelastic constitutive model with four material constants in describing the mechanical behavior of granular materials under loading. analysis results of the model have good coincidence with those of triaxial experiment of the standard sand under different relative density. the model can describe the contractant and dilatant phenomena of granular materials

    提出了一種含4個材料常的亞彈性本構模型,來描述粒體在加載時的力學行為,本模型的析結果與不同相對密下標準砂的三軸實驗可較好地吻合,能反映粒體的剪縮、剪脹現象,還對如何用三軸實驗來確定這4個材料常,給出了適宜的計算方法。
  8. ( 3 ) by using the new method put out in ( 2 ), hugoniot data of no - porous samples of enstatite ( mg0. 92, fe0. 08 ) sio3 which initial density is 3. 273g / m3, were reduced and the modified hugoniot data shows very small dispersivity

    ( 3 )用( 2 )中提出的新方法,對前人和本文的頑火輝石hugongiot實驗進行了初始孔隙修正。結果顯示,不同研究者所得的hugongiot性大大減小。
  9. The aa interaction which we take is in good agreement with the experimental ground binding energy of t he. the a. a potentials reproducing the experimental value of ba ( a / fe ) are obtained by folding the density distribution of the a particle and ajv local potentials which give a very good fit to the a - proton scattering data

    ) ?勢是通過選取( ? ) -質子射的實驗值較好的( ? ) -核子定域勢、以4he核的密佈作折疊積得到; -勢符合低能-射實驗及sbe的基態共振能量。
  10. Reading graphics files and dispersing curves and surfaces. after lucubrating current algorithms dispersing trimmed surfaces, the mapping method is adopted. to avoid unnecessary or repeated calculations, a new tessellation algorithm for trimmed surface is introduced

    在深入析目前流行的裁剪曲面離演算法的基礎上,採用映射法對裁剪曲面進行離,並針對面向網路會議的圖形瀏覽器要求圖形、剖快的特點,提出了一種基於編碼的裁剪曲面離演算法; 3
  11. The spindle flowmeter and the especially designed totalizer highly improve the precision of measurement, and the measuring system made up of them is very easy to use

    置於測量現場的多臺積算儀與上位pc機之間可以通過rs - 485串列總線進行傳輸,構成高精式測量網路。
  12. The discussion of main parallel technologies on construction of parallel sliq algorithm is presented in this paper. the computing result of algorithm complexity of sequential and parallel algorithm indicates : when the data set is large enough, as to continuous attributes, the parallel algorithm almost get speedup value equal to the number of processors , while as to categorical attribute the improvement of parallel algorithm is limited

    通過對串列和并行演算法時間復雜的計算表明,當集充大時,由於連續屬性的排序計算操作到各個處理機單元上進行,顯著降低了計算時間,從而可以得到近似於處理機個的加速比,對于離屬性,本并行演算法對串列演算法的性能提高有限
  13. On the base of summarizing and evaluating chinese soil erosion models, this paper brings forward future developing directions that the soil erosion models should pay attention to : ( 1 ) paying attention to the theory researches of soil erosion models, consummating from erosion factors basis erosion prediction to erosion processes quantity and theory researches, studying each erosion factor and its interaction impact on erosion processes, and sediment dispersion, transportation and deposition action on complex slopeland, as well as different catchments scales ; ( 2 ) reinforcing the study of gravitation erosion and cave erosion mechanism, and big and middle scale catchments erosion models ; and ( 3 ) making the best of advanced rs and gis technology, providing plentiful datum for erosion models researches, making and for soil erosion models checkout

    在總結和評價中國土壤侵蝕模型的基礎上,提出了今後土壤侵蝕模型應該注重的發展方向: ( 1 )注重土壤侵蝕模型的理論研究,將從以侵蝕因子為基礎的侵蝕預報向侵蝕過程的量化研究和理論完善,研究各侵蝕因子及其交互作用對侵蝕過程的影響,泥沙在復雜坡面以及不同流域尺間的、輸移和沉積作用; ( 2 )加強對重力侵蝕、洞穴侵蝕機制的研究,加強對大中流域侵蝕模型的研究; ( 3 )充利用先進的rs 、 gis技術,為侵蝕模型的研究提供大量的源,以利於對土壤侵蝕模型的檢驗。
  14. Considering of the differences of task scheduling between a grid and a distributed system, this dissertation designs a real number encoded mode that mapping every task to a random resource directly by improving the encoding mode of the traditional genetic algorithm, and gives a particular design to the encoding and decoding mode. at last, this algorithm is simulated in the grid simulator. the experiment results show that the reformative genetic algorithm not only has a holistic searching ability, but also makes a fast convergent speed, which provides a preferable performance

    本文根網格計算任務調的特點,提出了基於改進的遺傳演算法的網格任務調,通過對傳統遺傳演算法的編碼方式進行改進,針對網格任務調與一般式系統任務調的不同之處,設計了資源?任務的一一對應的實編碼方法,詳細設計了其編碼及解碼方式,最後在網格模擬器中進行了模擬,實驗證明了改進后的遺傳演算法即具有全局搜索能力,又具有較快的收斂速,具有較好的性能,該實驗達到了本文以實現任務調的最優跨為目標的實驗目的。
  15. In order to grasp the urban system processes and evolution pattern of hunan province comprehensively, this article has made further discussion on its structure characteristic : through regression analysis, graph analysis and statistics analysis of the time series data and cross sections data, by combining with the fractal theory, we induce the following conclusion : the hierarchical size structure presents the law of the primate city, the rank - size rule and pyramid structure characteristic, but it also has the insufficient development problem of the high hierarchical size city. by using the gravitation model, we found out that the economy relation intensity among those main cities is weak while the structure is loose. based on the urban layer system of economic development level and industrial structure evolution of the cities in hunan province, this article then induces the function combination among the five urban agglomerations in hunan province

    為全面把握湖南城市體系的運演規律,本文對其結構特徵作了進一步的探討:通過時序和截面的回歸析、圖表析和統計析,結合形理論,得出了其等級規模結構佈呈現出首位佈、位序?規模佈和金字塔結構特徵,以及存在著高層次城市發展不足的問題;運用場引力模型發現該省主要城市間的經濟聯系強較弱、結構鬆,在歸納出該省城市經濟發展水平的層次體系、產業結構演變的基礎上,導出了該省城市體系的五大城市群職能組合;結合空間結構體系、路網交通條件和經濟發展狀況,對該省城市空間佈狀態進行了定性析,研究表明該省總體上處于極化階段,各個具體區域,佈階段不一,差異較大。
  16. It is discussed that the present harmonic analyzers do n ' t satisfy the requirements of china standard for harmonic measure of quick disturbance harmonic load. the measurement error brought about by the harmonic analyzers adopting ft or fft algorithm is analyzed. a cycle discrete fourier algorithm that should n ' t be effected by aperiodic component is presented, and the results of simulation show that it has higher accureacy

    本文對電力系統諧波的測量方法,處理及電力牽引負荷對電力系統的影響進行了研究,論述了目前國內外生產的諧波析儀用於快速波動諧波負荷的測量不滿足國標的要求,析了諧波析儀普遍採用的ft或fft演算法所產生的測量誤差,提出了一種不受非周期量影響的全周波離傅里葉演算法,模擬結果表明精好。
  17. This paper mainly analyzes control delay at urban signalized intersections. based on the survey data, this paper talks about vehicles movement characteristics of arrival and depart process, then the queueing headway distribution is obtained, and the suggestion that saturated flow should be measured from the sixth queuing vehicle is offered. using random process theory analysis and computer simulation, the queuing length distribution model is obtained

    本論文針對平面信號控制交叉口的延誤問題進行了析,在實測析的基礎上,探討了車輛到達過程和離開過程的運行特性,給出信號交叉口排隊離車頭時距佈模型,提出飽和流率的測量應從第六個離開的排隊車輛算起;運用隨機過程理論和計算機模擬的方法得到了信號交叉口排隊長佈模型,在此基礎上運用協調變換的方法改進了車輛延誤模型。
  18. From the vapor phase to the liquid phase, the temperature jumps near the interface. therefore, it is difficult to accurately measure the temperatures near the interface. this may be the main reason of the large difference between the evaporation / condensation coefficients obtained from different experiments

    由於界面處存在明顯的溫跳躍,界面溫的準確實驗測量難較大,這很可能是文獻報道的蒸發/凝結系的實驗研究結果較大的主要原因。
  19. The main research contents are as follovvs : after the analyzing of the process of making train diagram, according with its character, and take into account the trend of innovation, chooses the total solution based on the b / s architecture, 3 - tier operation distributed and 2 - tier data distributed to separate the data from operation and simplify the development and maintenance ; the e - r data model that is accord with the 3nf criterion is designed after analyzing the data structure of the train diagram system. emphasis on the permission security of the distributed system, take the view schema, coupled with the login authentication and permissions validation, to ensure the data accessing domination, and take the synchronization, error control, and restore capability to advance the data security ; on the basis of b / s solution architecture, after comparing the existing transportation technologies, b - isdn and adsl is selected as the major solution architecture based on the package - svvitched networks. furthermore, error control, firewall, and encryption techniques are introduced to prevent the hacker attack and ensure the networks safety

    論文的主要研究內容包括:對目前我國列車運行圖管理體制和編制流程進行詳細析,根其「幾上幾下」的特點,並結合未來「網運離」體制改革的變化預測,選擇採用與之相適應的基於b s體系架構、三層業務佈、二層佈的整體方案,實現業務與離,降低開發與應用過程的復雜和總體成本;對列車運行圖系統的信息進行析,設計符合3nf規范的e - r關系模型,並著重研究處于式系統中的列車運行圖信息的訪問權限和安全問題,提出以視圖模式結合用戶識別權限審定實現權限劃,以並發處理、容錯技術、恢復技術提高系統的安全性;在基於b s架構的系統整體方案基礎上,對當前多種傳輸技術進行析比較,採用b - isdn為主幹網、 adsl為接入端的基於公用網路組交換技術的系統網路體系結構,並針對網路自身安全性和黑客攻擊與侵入問題,詳細討論綜合採用差錯控制、防火墻、加密解密等技術手段提高系統的網路安全性能。
  20. Firstly, the original monitoring data are discretized to a decision making table, then the attributions are reduced from the decision making table so as to eliminate the factors having no or less effect on the effect - quantity, and, lastly, the proportion of affecting factors on the effect - quantity is calculated with rough membership

    首先對原始監測信息進行化得到決策表,然後對決策表進行屬性約簡以去除影響極小的影響因素,最後用粗糙隸屬析各主要因素的重要性指標及其在效應量中所佔的量比例。
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