特性線法 的英文怎麼說
中文拼音 [tèxìngxiànfǎ]
特性線法
英文
method of characteristics- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
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For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field
因此,對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了改進的基於盒維數的測井曲線網格覆蓋法,編程計算了裂縫性儲層段常規測井曲線(如聲波和電阻率曲線)上分形分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲層類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。Radio disturbance characteristics for the protection of receivers used on board vehicles, boats, and on devices - limits and methods of measurement - specifications for active antennas
道上車輛船舶和設備上用接收機保護的無線電干擾特性.限值和測量方法.有源天線規范And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。In the search for site - dependent characters, the different design elements can be identified in the language and ideas of the office ' s landscape architecture : the poetic planning approach ; the reutilization of proven design principles ; the archaeological search for original features of a place ; the concept of the garden as a theme garden ; the concept of the " openly architectonic " ; the concept of " emptiness " ; and the " production line " concept
在追尋場地特性的過程中,賴納?施密特教授及其事務所的規劃思想和設計語言可以歸納為:詩意的規劃方法;已被證實的設計原則的再利用;對場所原有特徵的考古學研究的應用;將花園設計成一個主題式花園的概念;直接利用建築結構組織空間的概念; 「空」的概念; 「流水線」的概念。Abstract : propagation characteristics of r wave in a pavement structures are analysed in this paper. based on the propagation characteristics of r wave, the horizontal propagation wave is simulated by using r wave, the vertical propagation wave is also simulated by using body wave in calculating dynamic response of pavement structures. the availability and accuracy of dispersion curves measured by sasw in pavement structures is analysed by using the presented method used to calculate dynamic response
文摘:利用有限單元法分析了道路結構的r面波傳播特性:在深度方向上衰減較慢,傳播較深,波動性大.提出了在道路結構動力響應計算中,利用面波來模擬水平向傳播波,利用體波來模擬豎直向傳播波.通過算例來驗證該方法的可靠性和精確性,並利用這一動力響應計算方法分析了道路結構表面波測試中所獲彌散曲線的可靠性Using the multi - configuration dirac - fock method ( mcdf ), we studied the characteristic of the decay processes of the 4d core excited states of csiv, the low - lying excitation structure of super - heavy element bohrium ( z = 107 ) and the x - ray spectra of the 3d - 4f transitions of highly charged xenon ions in details in this work, by including the electron correlation and the relaxation effects systematically
本論文運用mcdf方法,通過系統考慮電子相關效應和馳豫效應,分別研究了cs離子的4d內殼層激發態衰變動力學特性,超重元素bh ( z = 107 )的低激發態結構以及高離化態氙離子的3d - 4f躍遷產生的x射線譜的結構等問題。Secondly, based on detailed depiction and analysis on the optimization of inventory, including analysis the demands of material and the character of stock, together with the situation of electric wire & cable company, ltd., two inventory optimizing models are developed, with the aid of liner and random optimization method - monte carle method
然後在分析企業原材料需求和庫存特點的基礎上,根據企業的實際情況,建立了基於線性需求的庫存優化模型和基於隨機需求的庫存優化模型? ?蒙特卡羅法,代入企業各項庫存參數進行實證,並比較了兩種模型的各自的優缺點。Fitting method for pump complex characteristic curve based on b - spline
樣條的水泵復雜特性曲線擬合方法The paper studies the surface geometry of globoidal indexing cam by applying the theory of conjugate surfaces and the method of coordinate transformation, presents the equations related to the main inducement curvature of the cam profiles, analysis and deduces the equations of two circumscription curves, which judge if the conjugate surface could mesh properly. some calculate examples and conclusion are given. the surface equation of the globoidal cam and conjugate equation are established
論文首先在分析空間嚙合原理基礎上,採用坐標變換法推導出弧面分度凸輪的工作廓面方程、嚙合方程和壓力角計算公式,對弧面分度凸輪的嚙合特性進行了深入的分析和研究,對判斷曲面能否正確嚙合的依據如兩類界限線方程以及誘導主曲率等進行推導,並給出算例。Test method for determination of cooling characteristics of quenchants by cooling curve analysis with agitation drayton unit
通過攪拌冷卻曲線分析測定淬火劑冷卻特性的方法Drayton standard test method for determination of cooling characteristics of quenchants by cooling curve analysis with agitation drayton unit
攪拌冷卻曲線分析法測定冷卻劑冷卻特性的標準試驗方法With more and more people using the wireless devices, it is very necessary to predict the field strength in the room and study propagation characters of the wireless electric wave f therefore, it is very important to adopt exact method to study them
隨著室內無線電設備使用越來越廣泛,對室內的場進行預測,並對無線電波傳播特性進行研究是十分必要的,因此採用正確的方法是十分重要的。Measurement of electroacoustical characteristics of hearing aids with induction pick - up coil input
具有感應拾音線圈輸入的助聽器電聲特性的測量方法The article calculates the transient of the pump system with three initial rates of flow and three kinds of pipe length by use of the characteristic method, and obtains the system ' s transient characteristics
用特徵線法對三種初始流量、三種管長關閥實驗時泵系統瞬變計算,得到系統的瞬變工況特性。Corresponding to the correct water hammer mathematic model ( 3 ), the character difference equation is by comparing the new mathematic model with the old mathematic model, the last calculative part of paper argues the falseness of the current water hammer mathematic model, makes use of the improved character line method to analyze the correct mathematic model ( 3 ), studies all kinds of facts " impact on water hammer pressure value and water hammer phenomenon attenuation, points out that, in the long pipeline system, the subarea calculation of head loss along with flow rather influences the calculative results of water hammer pressure, advices to take the subarea calculation of head loss along with flow into account in the water hammer calculation of the long pipeline system
對應于正確的水擊數學模型( 3 )的特徵差分方程形式如下c ,弓+吼川一c ,唱一幾弓扮幾rv另卜川= o幾代+吼川一幾唱一吼嶸{一c :腳丸}唱} ? 「本論文在最後的計算部分,通過對新老數學模型的數值計算比較,進一步論證了當前水擊數學模型的不正確性。並且應用改善了的特徵線法對正確的數學模型( 3 )進行了計算分析,研究了各種因素對水擊壓強值和水擊現象衰減的影響,指出在長管道系統中,沿程水頭損失的分區計算對水擊壓強的計算結果影響較大,建議在長管道系統的水擊計算中應按分區進行沿程水頭損失的計算。Comparing its results with those by ls - d yna, the accuracy of this algorithm was presented. moreover the failure process in concrete due to impact loading and the failure process of a steel bullet penetrating a concrete circular plane was demonstrated, which presented the dynamic transitional process from continuum to non - continuum. several different fundamental damage forms simulated by using this algorithm were discussed, comparing with the results from experiments
應用該模型對正交各向異性平板內的應力波傳播、沖擊載荷下混凝土平板的破壞以及鋼彈侵徹混凝土圓板的破壞問題進行了研究,通過將計算結果與ls - dyna 、特徵線法以及實驗結果進行對比,證明了該模型的精確性和可靠性。Using basic equations in continuum mechanics, the wave - motion equation in the geometrical nonlinear elastic rod is derived, and then the characteristic curves and their characteristic relations are deduced by the characteristic line method, and the alterations of the wave profiles are analyzed during propagation
利用基本方程導出了彈性細桿的幾何非線性波動方程,用特徵線法求得它的特徵線和特徵線上的相容關系,分析了波形在傳播過程中的變化規律。Furthermore using the variation principle in the elasticity, the wave - motion equation is derived in the finite deformation elastic thin rod with viscous and transverse inertia effects, and the characteristic curves and their characteristic relations are obtained by characteristic line method, and the influence of viscous and geometrical - dispersive effects on the propagation of wave is analyzed
再利用彈性力學中的變分原理,導出了同時計及粘性和橫向慣性效應時的彈性細桿的幾何非線性波的波動方程,用特徵線法得到它的特徵線和特徵線上的相容關系,分析了粘性耗散和幾何彌散效應對波的傳播速度的影響。The important meaning of controlling incident wave form for the experiment is take into account, eigen - line method was used to calculate the transmit of the stress wave among the variable cross - section bar. using the elastic wave inversion deductive method the mathematical model was founded, which can be used to calculate the shape of the dam from the incident wave form
考慮控制入射波形對動態試驗的重要意義,本文利用特徵線法對應力波在變截面桿中的傳播進行了數值求解;在此基礎上應用彈性波反演的思想建立了根據入射波形求解彈丸形狀的數學模型,並用試驗對求解結果進行了驗證。Using energy transformation method, the characteristic map of the compressor of si a - 02 gas turbine is gained. and based on this work, effects of wet compression on compressor ' s steady - state performance are studied, which is compared with experimental results
本文根據能量轉換方法計算得到了s1a - 02燃氣輪機的壓氣機特性線,在此基礎上分析了噴水后壓氣機特性線的變化情況,並與實驗結果進行了比較。分享友人