actual numerical value 中文意思是什麼

actual numerical value 解釋
實際數值
  • actual : adj 現實的,實際的,真實的,現行的,現在的。 in actual existence 現存。 in actual life 在現實生活...
  • 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 ...
  • value : n 1 價值;重要性;益處。2 估價,評價。3 價格,所值;交換力。4 (郵票的)面值。5 等值;值得花的代...
  1. Besides, the information on actual height of lowest cloud base is used in constructing of cloud liquid water profile by using radiosonde profiles, that makes an improvement of relative accuracy of retrieved value of l at almost all altitudes by 5 - 20 % according to numerical simulation comparison. the lower the altitude is, the more the accuracy is improved

    為減少由於回歸樣本中雲液水廓線的『失真』給反演造成的誤差,本文在對探空廓線作診斷建立雲液水廓線時,引入了實際目測的最低雲底高的信息。數值模擬比較表明該措施行之有效,使對流層中下層的幾乎所有高度上l反演值的精度提高5 - 20 ,觀測高度越低,精度提高越多。
  2. The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function

    作為遺傳演算法的具體實施:根據本實驗室近來研製的吸波材料,建立了吸波材料的相關數據庫;構造了能真實體現「薄、輕、寬、強」優化目標的目標函數;根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求,建立了能動態擴展相應碼長的自適應編碼方法;首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術,以此實現了在不弱化寬頻、高強的吸波性能目標的同時,兼顧到薄層、輕質的使用性能要求;在解碼時通過動態跟蹤厚度變量的約束條件,實現了多層單組分吸波塗層對重量輕的要求;通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件,實現了多層多組分吸波塗層對重量輕的要求;使用權重系數變化法,實現了吸波塗層的分頻段吸波性能要求。
  3. To adapt the circumstance in which the crankshaft torsional vibration generally exists, the new method ( tvrs method ) in which the cylinder power is inversely solved according to the torsional vibration curve is put forward and deduced in this paper, that is, the average effective pressure of each cylinder i. e. power condition of each cylinder is estimated based on a crankshaft torsional vibration curve according to the elasticity model of the actual shafting of engine and by use of the i. c. engine dynamics, the numerical calculations and the signal theory etc. although the computing workload is more, the method makes full use of the now available data of the torsional vibration of the i. c. engine, and can be used to all kinds of i. c. engine on any kind of operating condition, so it has higher application value

    為適應內燃機普遍存在曲軸扭振的情況,本文提出並推導了利用扭振信號反算的新方法( tvrs法) ,即採用軸系中某一測點的扭轉振動信號,按軸系實際的彈性模型,依據內燃機動力學、數值計算方法和信號理論等,反算各缸的平均有效壓力,定量判斷各缸的作功狀況。此法充分利用內燃機現有的扭振資料,雖然計算工作量較大,但普遍適用於各種類型各種工況的內燃機,有較高的實用價值。
  4. The actual reproduction and artificial restoration density were the biggest with the treatment of irrigation ? soil preparation + natural regeneration, and the average numerical value was 13. 04 clumpes / m ^ 2 ranging from 3 clumpes / m ^ 2 to 28 clumpes / m ^ 2. the others were as follows : 1. 66 clumpes / m ^ 2 occurred in the treatment of unirrigation + soil preparation + artificial regeneration, ranging from 1 clumpe / m ^ 2 to 20 clumpes / m ^ 2 1. 11 clumpes / m ^ 2 occurred in the treatment of unirrigation + soil preparation + natural regeneration, ranging from 0. 5 clumpe / m ^ 2 to 17 clumpes / m ^ 2 0. 25 5 clumpe / m ^ 2 occurred in the treatment of unirrigation + break ground + natural regeneration, ranging from 0. 1 clumpe / m ^ 2 to 3. 0 clumpes / m ^ 2, and 0. 012 clumpe / m ^ 2 occurred in the treatment without disturbance

    以更新密度作為參數,其數值依次為:灌溉+整地十自然更新最大,平均為13 . 04叢/平方公尺,變化在3 28叢平方公尺之間;無灌溉+整地十人工種植恢復平均為1 . 66叢平方公尺,變化在1 20叢平方公尺之間;無灌溉十整地+自然更新恢復平均為1 . 11叢平方公尺,變化在0 . 5 17叢平方公尺之間;無灌溉+破土+自然更新平均為0 . 255叢平方公尺,變化在0 . 1 3 . 0叢平方公尺之間;無干擾自然更新平均為0 . 012叢平方公尺。
  5. This paper try to mix the finite strip method and hybrid stress element, and deduce a numerical and computer method which combines the advantages of the two methods - mixed hybrid finite strip method ; analyze the intensity and stability of the orthotropic plate by this method ; deduce the formula of the orthotropic plate ' s analysis and calculation under this method ; compile the program of orthotropic plate ' s mixed hybrid finite strip method ( hfsop. for ) with fortran - 77 language, and perform them under fortran90 environment of pc computer ; comparing with traditional methods by example of computing, prove that the mixed hybrid finite strip method have better degree of accuracy, moderating the stiffness of plate, coming more close to actual conditions, avoiding over - hard or over - soft ; finally, this paper analyze the stability of a orthotropic plate by this method, and deduce the - value of critical stress

    論文將有限條法和應力雜交元法兩者結合起來,導出一種兼有兩者優點的數值計算方法? ?混合雜交有限條法。運用這種方法對正交異性板的強度和穩定進行了分析,推導出正交異性板在這種方法下的分析計算公式,用fortran - 77語言編寫正交異性板混合雜交有限條法程序( hfsop . for )在微機fortran90環境下運行。通過算例與傳統的方法比較,驗證混合雜交有限條法有更好的精度,使板的剛度適中,更接近實際情況,避免「過硬」或「過軟」 ;最後,論文還用此方法對一正交異性板進行了穩定分析,得出臨界應力值。
  6. The mathematical methods of theoretical analysis to determine some unknown or omitted parameters in combat efficiency theory of military aircraft based on the present models of combat efficiency of airforce equipment and the actual data of military operation are introduced in order to develop or improve the theory with practical work and some new concepts, such as combat efficiency and actual efficiency among airforce mission. for example, the combat efficiency usually comes from academic research and could be also called appraisal efficiency or static efficiency. after modified with actual data of military operation of past records which also could be seen like actual combat efficiency, confrontation efficiency and dynamic efficiency. through calculation and analysis it must be noted that the numerical value of actual combat efficiency is larger or much larger than the value of combat efficiency

    通過應用現有的作戰飛機空戰效能的數學分析模型,在已有的歷史空戰實例資料數據的基礎上,進一步確定或者探討有關戰效分析的數學模型中的待定因子或者假想忽略不計的參數,進而對作戰飛機空戰時的效能評估的研究模型作一些驗證和完善性質的分析,從而提出有關戰斗機空戰時作戰效能評估的新思路或新概念.比如,通常所理解的作戰效能,也稱為評估效能或靜態效能,經過加權以後,形成實戰效能或對抗效能,也可稱為動態效能.經過計算分析,認為對抗效能的數量級別,要比評估效能的數量級別大,甚至很大
  7. If the gauge itself is accurate, its indicating numerical value cannot represent the actual data of the measured medium, because error existing in measure system is not equal to the gauge error

    如果只是儀表本身準確,其示值並不能完全代表被測介質的實際參數,因為測量系統的誤差並不等於儀表的誤差。
  8. Adopt at present most advanced large - scale super sap finite element structure analyse procedure to go on numerical value calculation for model of drilling rod, drilling rod whole stress simulation of state that receive show and reflect drilling rod various kinds of stresses under different working states distribute the characteristic clearly, make stress state of drilling rod reach visual, make people able to understand informations of drilling rod of stress status in depth too at the same time, so that the design of the improvement drilling rod constantly is in order to meet the demands of actual project

    採用當前最先進的大型supersap有限元結構分析程序對鉆桿的模型進行了數值計算,得到的鉆桿整體應力狀態的模擬顯示清楚地反映了鉆桿在不同工作狀態下的各種應力分佈特徵,同時也使鉆桿的應力狀態達到了可視化,使人們可以深入了解鉆桿應力狀態信息,以便不斷的改進鉆桿的設計以滿足實際工程的需要。
  9. Thirty roots of precast reinforced concrete piles and bored and cast - in - place piles in xi ' an had been trained with this model, and nine roots o f precast reinforced concrete piles and eight roots of cast - in - place piles had been predicted by simulating. when contrasted and analyzed the predicting result and actual numerical value, the error is always less than 20 % ( mostly within 15 % ), which has achieved a better result

    利用該模型對西安地區鋼筋混凝土預制樁、鉆孔灌注樁各30根作為樣本進行了訓練,並分別對9根鋼筋混凝土預制樁和8根鉆孔灌注樁進行了模擬預測,將預測結果與實測值進行了對比分析,其誤差都在20以內(大部分在15以內) ,取得了較好的結果。
  10. So the framework chanmical way was adapted to study the character of the pipelines ' response under trigonometric function traffic loads ; then the randomicity of the parameters were taken into account, the paper uses the perturbation theory to describe the random character about the changing parameters of the pipelines. the calculate formula and simply resolution of response character of pipelines under random loads was educed. the technique of numerical value can stimulate the complex actual situation effectively

    應用數值技術可以有效的進行實際復雜情況的模擬,因此,文中對管道在恆定交通荷載和簡諧荷載下管道的縱向以及橫向受力特性進行了數值模擬計算,主要採用比較適合於土體計算的abaq二軟體進行,同時也對其各影響因素作了相關敏感性分析。
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