numerical characteristics 中文意思是什麼

numerical characteristics 解釋
數字特徵
  • numerical : adj 數字的;數值的;用數字表示的。 (a) numerical order 號數。 a numerical statement 統計。 the ...
  • characteristics : 產品性能描述
  1. Numerical analysis on three - dimensional aerodynamic characteristics of micro air vehicle

    微小型飛機三維氣動力特性的數值分析
  2. Numerical simulation of the beam optics characteristics in a high energy and high current negative ion beam system

    高能強流負離子束系統束光學特性的數值模擬
  3. ( 2 ) based on indoor test, two typical soft rock of brecciated mudstone and siltstone in luohu jiancheng district is carried systemically though interior rheological testing ; moreover combining with preceding studying results of rock rheological constitutive model, rheological numerical constitutive model suited to rock mass mechanics characteristics and stratum structure of luohu fracture zone, and numerical parameters of the model are processed with studying of curve fitting

    ( 2 )立足於室內試驗,對羅湖建成區兩種典型的軟弱巖石?含角礫泥巖和粉砂巖進行系統的室內流變試驗研究,又結合前人對巖石流變本構模型的研究成果,分析並確定了適合羅湖破碎帶巖體力學特性及地層構造特徵的流變計算本構模型,並對該模型的計算參數進行了曲線擬合研究。
  4. On the basis of detailed field work and structural analysis, this paper presents a new geometrical and kinematic data that reveal the staictural characteristics of qinglong fault zone. this fault zone is composed of numerical ew faults with an arrangement of dextral step pattern in the western part, and consists of maquanzi - datun fault and tumenzi - mingshui fault in the eastern part

    本文通過較為詳細的野外調查和室內研究,並結合前人的研究資料,以構造解析為指導思想,對斷裂帶的幾何學、運動學特徵進行了研究:青龍斷裂帶是由一系列近東西向的斷層組合而成,斷裂帶西段呈明顯的右行右列式分佈,東段主要有馬圈子?大屯斷裂和土門子?明水斷裂組成。
  5. Numerical calculative simulation could factually reflect the dynamic characteristics of the whole equipment and inner flow and diathermancy of split - stirling crycooler. through the calculation, the velocity, temperature, pressure and other detailed information of airflow in any position inner the crycooler could be gained ; the distribution of each parameter could be confirmed and reasonable explanation for the experiment result could be made

    數值計算模擬能接近真實地反映分置式斯特林製冷機的整機和內部流動、傳熱的動態特性,通過計算可以得到製冷機內部任一位置的氣流流動的速度、溫度、壓力等詳細信息,確定各參數的分佈情況,並可以對實驗結果做出合理的解釋。
  6. At last, based on the results of geologic history numerical simulation and the force and substance balance theories of deep basin gas, the dynamic procedure of the entrapment forming of reservoir, the characteristics of generation and discharge gas of the source rocks and the coupling relations between the two are studied, so the distribution and the reserves of deep basin gas at specific geologic times have been obtained

    結合深盆氣藏的力平衡和物質平衡理論,研究了儲層形成圈閉的動態過程、源巖生排烴特徵、以及二者之間的耦合關系,得到了小草湖窪陷不同地史時期深盆氣藏的分佈范圍和儲量。
  7. At first, analysis of extreme temperature ' s spatial distribution of variety trend shows that the minimum temperature in the north are going up while the maximal temperature in east china declining widely, which is a numerical characteristics of prevailing warmer - winter in recent years. so the change of minimum and maximal temperature are dissymmetrical

    首先從總體上,分析極端最高和極端最低溫度變化趨勢的空間分佈:北方地區極端最低溫度普遍上升,且幅度較大,是近年來暖冬盛行的一個數值化特徵;極端最高溫度在東部普遍下降,最低最高溫度變化具有不對稱性。
  8. Results show that the spatial distribution of the precipitation of the west is very uneven and obviously different in every quarter ; the characteristics of precipitation is droughty and less - rain in almost all part in winter. plentiful in summer, spring and autumn are transition phases, rainfall of autumn is more than that of spring in the most of region ; relative variability of each season rainfall is bigger than that of year, the variability is biggest in winter, but smallest in summer. alike between spring and autnmn and comprative in numerical value ; the area of least precipitation is in talimu basin and the northwest of chaidamubasin, not in the northwest of china

    研究發現:西部地區年降水量的空間分佈極不均勻,局地差異大;冬季絕大部分地區乾旱少雨,夏季雨量豐沛,春秋季是過渡階段,大部分地區秋雨多於春雨;各季降水量的相對變率大於年變率,夏季最小,冬季最大,春秋兩季相似,數值上與冬季相差無幾;我國雨量最少的地區位於柴達木盆地西北部和塔里木盆地,並不在我國的最西北角。
  9. This investigation of the two species is mainly dealing with their morphological characters, population biology, pollination biology and molecular biology, based on the following methods such as section slides, sem, artificial pollination, rapd analysis and gravity glass slides. this study is intended to demonstrate the distribution patterns of the populations for the two species, the numerical and spatial characteristics of ecological difference, the biological characters of seeds, pollination mode and reproductive stratigies, and molecular genetics. in light of the results from this study, the reasons that resulted in the present dangerous situation for the two species were discussed, and the suggestions for protecting them were proposed

    本研究以種群為單位,採用石蠟切片、掃描電鏡、重力玻片、人工授粉、 rapd分析等方法,對兩種植物的形態生物學、種群生物學、繁殖生物學和分子生物學等方面進行了詳細研究,以揭示它們的種群分佈類型及成因、種群生態環境差異的數量特徵和空間特徵、種子生物學特徵、傳粉和生殖策略以及種群分子遺傳特徵,進而探討兩物種瀕危的成因和機制,並針對性地提出了科學合理的保護對策和建議。
  10. To investigate the practicability of a solar - direct - pumped fiber laser by using a parabolic dish concentrator, the solar power absorbed by the fiber laser and its absorption efficiency were calculated with numerical method based on the characteristics of solar spectrum in outer space

    摘要為了研究拋物面碟形聚光器實現太陽能直接抽運光纖激光器,根據空間太陽光譜分佈特點,採用數值方法,計算了用該聚光器聚集太陽能量抽運雙包層光纖激光器時光纖吸收的太陽能量及其吸收效率。
  11. Numerical study of voltage - current characteristics in a three - quantum - well superlattice unit

    三量子阱超晶格單元結構電流特性的數值研究
  12. 3. the static aerodynamic characteristics of the projectile are computed using the software of cfd, the results of the numerical simulation are agreement with the engineering calculation, this verifies that the results of the static aerodynamic characteristics of waf from engineering calculation are satisfactory

    3 .應用cfd軟體對彈靜態氣動特性進行數值計算,數值計算結果與工程估算結果吻合較好,說明卷弧翼的靜態氣動特性可以通過平板翼進行估算。
  13. Firstly, a representative wind and wave model, which could both simulate the main characteristics of wig over sea waves and be suitable for numerical calculation, is presented. the model completely considers the fully nonlinear effect of wave surface on the wavy air flow, separates the disturbance of wave surface from the wing - air wave interaction flow, and overcomes the numerical calculation difficulties due to the large difference of dimensions between wing and water waves

    首先針對機翼在風浪中的非定常非線性氣動力問題,提出了一個既能夠反映風浪場主要特徵又適合於數值計算的風浪場模型,該模型完整地考慮了波浪表面對氣流場的全非線性影響,使波面對流場的擾動分離出來,消除了機翼和波浪幾何尺度上的巨大差異帶來的數值計算上的困難。
  14. The equations of the mean value functions and the covariance functions are established for dynamical systems whose inputs are fuzzy stochastic processes. an existence and uniqueness theorem of ito fuzzy stochastic differential equations is proved, some explicit representations of solutions and the equations of statistical characteristics are deduced for linear fuzzy stochastic differential equations, and numerical methods to nonlinear fuzzy stochastic differential equations are proposed, the conditions for stability and observability of fuzzy linear systems are derived. the kalman filter algorithms of linear fuzzy stochastic systems are brought forward

    主要成果包括:提出了模糊隨機變量協方差和反向協方差的概念;研究了二階模糊隨機變量的均方收斂性,並在此基礎上得到了均方模糊隨機分析、平穩模糊隨機過程及其譜分解的若干定理;根據均方模糊隨機分析理論,得到了輸入為模糊隨機過程的線性系統的輸出輸入統計特徵關系方程;證明了ito型模糊隨機微分方程解的存在唯一性,並給出了ito型線性模糊隨機微分方程解的表達式,統計特徵方程以及非線性模糊隨機微分方程的數值解法;得到了模糊線性系統的穩定性和可觀性條件、線性模糊隨機系統統計特徵方程和線性模糊隨機系統的kalman濾波演算法;研究了當觀測值是模糊數據時,線性回歸模型的建立。
  15. Statistics of wave crests with different directional spreading parameters and different directional functions are obtained and discussed. jonswap spectrum and the directional function suggested by mitsuyasu, donelan and wen respectively are employed in the analyses. statistical distribution of wave crest characteristics such as crest length, crest height, and directional angles based on the above - mensioned numerical simulation of 3 - d random waves are analyzed

    以jonswap譜為頻譜,選取光易型方向函數(含三個參數) 、 donelan方向函數以及文氏方向函數等不同的方向函數進行模擬,對得到的波峰形式進行比較,分析了方向函數對波峰長度統計值的影響。
  16. Numerical study of heat transfer and pressure drop characteristics on staggered round tube - fin heat exchanger

    管片式換熱器傳熱與阻力特性的數值研究
  17. This paper aims at the characteristics of thermal response of lpg vesse1 under high temperatue, conjoining the project of " study on transportation safety early - wdring system of lpg dangerous goods " supported by transportation departinen of china and the project of " mechanism study and numerical simulation of the explosion of lpg vessel " supported by science foundation of hubei province. the interdisciplinary research has been done among temperature field distribution of lpg vessel under flame surroundings, intensity calculation, crack propagation predication and mechanism of explosive accident, etc. three parts are analyzed and discussed

    本文針對高溫環境下液化氣壓力容器的熱響應特性問題,結合交通部重點科技項目「液化氣體類危險品運輸安全預警系統的研究」和湖北省自然科學基金項目「液化氣容器爆炸機理研究及數值模擬」 ,對在火焰包圍下的液化氣壓力容器的溫度場分佈、強度計算、裂紋擴展預測以及爆炸事故機理等方面開展了多學科的交叉研究。
  18. In this paper, we focuses on the extended form of a class of o - u process used in [ 1 ], presents its analytical solution and specifically calculates its numerical characteristics, at last points out that its limit process is our familiar process - geometric brownian motion

    研究了[ 1 ]中所使用一類指數o - u過程的推廣,給出了其解析解並具體算出了其數字特徵,最後指出其極限情形就是我們熟悉的幾何布朗運動。
  19. And the numerical characteristics of natural frequency are derived by using the fuzzy factor method and the principles of interval arithmetic

    利用模糊因子法和區間運算推導出結構固有頻率的主值和最大、最小值的計算表達式。
  20. By studying the driving principle of the joint and types of gearing set in common use, the numerical characteristics of errors of some actual robots are analyzed with the method of statistics and probability

    並根據機器人關節驅動原理,結合各種常用傳動裝置,應用統計和概率分析的方法,綜合分析了實際機器人機構各種誤差的數值特徵。
分享友人