混合象元 的英文怎麼說
中文拼音 [húngěxiàngyuán]
混合象元
英文
mixed pixel-
Also, the author ’ s design strategy and creativity has been given in this paper. specifically, it includes : based on the feasibility analysis of the fit selection of control parameters in the aeration process, the aeration process of wastewater treatment of the joint - constructional complete - mixed activated sludge process has been aimed at in this paper. then, the state equations of the aeration process have been proposed in this paper, which is on the base of dissolved oxygen concentration ( do ) and discharge quantity of sludge ( qw ) as control variables, the concentration of bod and sludge as state variables. based on the present study on optimization control of wastewater treatment, the multivariable optimal control model with restriction factor has been presented in the paper with introducing modern control theory and system analysis into the field of activated sludge wastewater treatment,
具體包括:以完全混合、表面曝氣合建式活性污泥工藝的污水處理曝氣過程為研究對象,在闡述了曝氣過程式控制制參數選取可行性的基礎上,建立了以溶解氧濃度do和活性污泥排放量qw為控制變量,以曝氣池中有機物濃度s和微生物濃度x為狀態變量的活性污泥曝氣過程的基本狀態方程;運用現代控制理論的觀點和污水處理理論,在現有關于污水處理最優控制問題研究的基礎上,建立了有約束條件多變量能耗最小數學模型,該數學模型是以有機物排放總量和狀態變量的末值條件作為約束條件,曝氣過程的能耗最小作為目標泛函;採用增廣拉格朗日乘子法對最優控制問題進行轉化,並對應用極大值原理求解能耗最小這一最優控制問題進行了詳細的解析;引入約束運算元,應用具有控制約束的共軛梯度演算法對能耗最小這一最優控制問題進行求解,並進行模擬實驗驗證。A mixture of three amino acids ( arg, gly, glu ) labeled with fluorescein isothiocyanate ( fitc ) was separated in pdms microfluidic chip, the separation voltage is 200v / cm, the separation time is less than 120 seconds ; according to ccd fluorescence images, two distinct physical processes - stacking and destacking during sample injection were studied qualitatively ; rhodamine b, a kind of temperature - dependent fluorescence dye, was used as probe to develop a temperature - fluorescence intensity equation, then temperature - color map in microchannels was constructed, and temperature trait in microchannels on the pdms microfluidic chip was analysed. according to the results, we conclude that the electric field applied to the pdms microfluidic chip should not exceed 400v / cm
利用pdms微流控晶元對fitc標記的精氨酸、甘氨酸、谷氨酸混合物進行了電泳分離,分離電壓為200v cm ,分離時間不到120秒;通過拍到的熒光顯微圖像對電泳注樣過程中復雜的樣品分子積聚與解聚現象作定性的分析;以熒光染料rhodamineb為溫度熒光探針,建立了pdms微流控晶元上的溫度-熒光強度的關系公式,並利用matlab圖像處理工具箱構建出微流體溝道內的溫度色圖,對pdms微流控晶元的微流道溫度特性進行了分析,根據實驗結果,我們認為對于pdms微流控晶元來說,在進行需要外加電場作用的試驗時,外加電場不應超過400v cm 。Through field investigation and analysis indoor, with studying all hydrochemistry data in detail, including macro components and micro components, the author finds out the hydrochemistry feature of ground water. for further specifying the ground water system, with cluster analysis of macro components of surface water and ground water in total 147 samples and the analysis of micro components, including ree, the main ground water systems are distinguished by and large, especially the ground water system main of fault no. 7 and fault no. 15 water bearing belts which have differences at macro and micro components between the two ground water systems, moreover, the main hydrogeochemistry effects are established such as lixiviation, oxidization, precipitation and mixing effect, especially the mixing effect which result in the complexit y of the hydrochemistry of deep bearing tectonic fracture water. based on them, the hydro geological model of upper dam base is established, meanwhile the author summarizes the hydrochemistry feature of weathering crevice water, surface tectonic crevice water and deep tectonic crevice water
為此,本文以大崗山壩區水文地球化學問題為研究對象,通過野外調查和室內分析,詳細的研究了壩區水化學資料,包括宏量組分、微量組分,查明了壩區地下水水化學特徵,對採集的147個地表及地下水樣的宏量組分進行聚類分析,結合微量元素,稀土元素的研究,並應用二氧化硅地熱溫標確定了深部構造裂隙水的熱源深度,基本區分了壩區各個主要地下水水系,特別是以f7 、 f15斷裂含水帶為主的地下水系,它們的宏量組分、微量組分以及稀土等方面均存在差異,以此為基礎,結合壩區水文地質條件,建立了壩區的上壩址的水文地質模型,同時通過分析了壩區花崗巖區的水化學資料,確立了壩區主要的水文地球化學作用,分別為:溶濾作用、氧化作用、沉澱作用、以及混合作用,混合作用是導致深部承壓裂隙水水化學復雜的主要原因,並總結了壩區風化裂隙水、淺部構造裂隙水、深部構造裂隙水的水化學特徵。The sequence of two patterns presence is changed alternately, that is, one pattern will appear at the second pulse of total pattern in this half cycle if it appears at first pulse in last half cycle. the stability of square pattern was studied by considering the interaction among the wall charges. the discharge moments of individual filament alternate from long one to short in the square pattern, which can been explained by using the breakdown and quench model through considering the wall discharge accumulated on the dielectric layers
實驗研究了正方網格斑圖與混合氣體的比例及外加電壓的關系,給出了班圖類型隨上述條件變化的相圖;實驗採用光學方法對正方網格斑圖進行了時空動力學測量,發現正方網格斑圖是由兩套正方網格斑圖相互嵌套而成,其中一套的微放電絲位於另一套正方形單元的中心,這兩套微放電絲交替進行放電;考慮到壁電荷之間的相互作用,研究了正方網格斑圖的穩定性;實驗發現正方網格斑圖的微放電絲放電時間間隔是長短交替變化的,考慮到電介質表面積累的壁電荷的作用,使用擊穿?熄滅方程很好的解釋了該現象。Abstract : taking the 1 500 auxiliary concrete structures roadway which has just a few multiple diploid strata as a research object, by terms of utilizing the 3d fem model, integrating the observation result and resemble simulacrum ending, comprehensive research on the inside of stress distortion and its mechanism are developed, an extraordinary fairly visual result is gained which has an important support in practical supporting design, reinforcement, enhancing the strata cohesion and intensity
文摘:以窯街三礦1500混凝土結構副大巷多層急傾斜煤巖層中復雜結構為研究對象,應用三維有限元模型,結合現場礦壓觀測結果和相似材料模擬試驗結果,對該巷道內部應力破壞敏感部位的內力和變形機理進行了系統的研究,得到了非常直觀的可視化計算結果,這對現場支護設計、維護加固和提高巖層的「凝聚力」具有重要的意義Mix pixel of remote sensing distinguishment by hue compound probability arithmatic
遙感影像混合象元的色調合成概率判別演算法研究To solve the problem, this paper proposes an efficient model combing double - edge extraction with decomposition of mixed pixels, the accuracy and applicability of which is attested by computing lake areas of northwestern china using avhrr images
針對問題,提出了一種結合雙邊界提取和混合象元分解的高效演算法,最後基於avhrr數據對中國東北,內蒙古地區的湖泊面積變化進行遙感監測,驗證了演算法的高精度和可行性。Complex fluids, such as polymer and surfactant solutions, electrorheological fluids, and granular fluids, are among the most important materials studied in basic and applied sciences
非線性現象常見于復合液體(如高分子聚合物,電流變液,表面活性劑,二元混合液及顆粒材料等) 。The java language is a sort of hybrid, in that its code is compiled into bytecode a form of binary for an abstract computer
Java語言是某種混合體:它的代碼被編譯成位元組碼(針對抽象計算機的二進制形式) 。This paper summarized the current status of vegetation classification based on rs technology at home and abroad, and pointed out the developing trend as follows : ( 1 ) from single - phase, single - source classification to fusion of multitemporal, multi - source data ; ( 2 ) from single classifier to hybird classifiers ; ( 3 ) from hard classification to soft classification ; ( 4 ) from pixel - based classification to pixel unmixing and object - oriented classification ; ( 5 ) from traditional classification to intelligent classification
摘要綜述了國內外基於遙感技術進行植被分類的研究現狀,並提出植被分類的發展趨勢: ( 1 )從單時相、單源遙感分類向多時相、多源信息融合發展; ( 2 )從單一分類方法向復合分類方法發展; ( 3 )從「硬」分類向「軟」分類方向發展; ( 4 )從基於像元分類向混合像元分解分類和面向對象分類方向發展; ( 5 )從傳統分類向智能分類方向發展。In this paper we studied the textural features extraction, remote sensing images classification and bp neural network techniques and their applications in the meteorological problems such as recognition of the cloud cluster feature, cloud - drift wind retrieval and heavy rain process analysis etc. to the question of the low precise recognition of satellite images by using spectral features, the proposed approach assumes to perform a multiple analysis based on an advisable decision - making model by first developing a mixed pixel model which was based on the textural features of images, and then improving the recognition intelligence
本文對模式識別領域中的圖像紋理特徵提取、遙感圖像分類、 bp神經網路與紋理特徵組合分類等方法,以及它們在雲團屬性識別、雲跡風反演和暴雨過程分析等氣象問題中的應用作了研究。針對過去利用圖像光譜亮度特徵進行識別分析氣象衛星圖像準確度不高的問題,本文提出了發展混合像元的分解模型,以圖像的紋理特徵為基礎,提高圖像識別的智能水平,以實現在分析決策模型的支持下,快速準確的復合分析的解決方案。In chapter one, we propose a new mixed method called characteristics mixed finite element method for a convection - dominated diffusion problems with small parameter e : we handle the convection part whth backward difference scheme along the characteristics, obtain much smaller time - trunction errors and avoid numerical dispersion on the front of the peak curve of the flow : we use a lowest order mixed finite element method to deal with the diffusion part, so this scheme can approximate the unknow function and its following vector with high accuracy at the same time
第一章中我們對小參數對流占優擴散問題提出了新的數值方法? ?特徵混合有限元方法,即對方程的對流部分採用沿特徵線的後退差分格式求解,以保證較小的截斷誤差限並避免了在流動的鋒線前沿數值彌散現象的出現;對流動的擴散部分採用最低次混合元方法求解,以保證格式對未知函數及伴隨向量的同時高精度逼近。由於該方法中檢驗函數可取分片常數,此格式在某種意義上具有局部守恆性質。All of them have a prismatic blend of the old and the new ; the author has pinpointed the potentially mythic elements in our frenzied, plastic twentieth - century world and uses ancient symbols to comment wryly on what we have become
所有這些故事都象一個混合著古老和現代的多棱鏡;作者精確的揭示了我們狂熱,不穩定的二十世紀世界中的潛在的神話元素,用古代的符號對我們現在的樣子進行諷刺挖苦。The characteristic approximation is used to handle the convection part along the direc - tion of fluid namely characteristic direction to ensure the high stability of the method in approximating the sharp fronts and reduce the numerical diffusion ; the mixed finite element spatial approximation is employed to deal with diffusion part and approximate the scalar unknown and the adjoint vector function optimally and simultaneously ; in order to preserve the integral conservation of the method, we introduce the modified characteristic method
該方法對方程的對流部分沿流體流動的方向即特徵方向離散以保證格式在流動的鋒線前沿逼近的高穩定性,消除數值彌散現象;對方程的擴散部分採用最低次混合有限元方法離散、同時以高精度逼近未知函數及未知函數的梯度;為保證方法的整體守恆性,在格式中引入修正項The new method is a combination of characteristic approximation to handle the convection part, to ensure the high stability of the method in approximating the sharp fronts and reduce the numerical diffusion, a smaller time truncation is gained at the same time, and a mixed finite element spatial approximation to deal with the diffusion part, the sealer unknown and the adjoint vector function are approximated optimally and simultaneously
此方法即為對方程的對流項沿流體流動的方向即特徵方向進行離散,從而保證格式在流動鋒線前沿逼近的高穩定性,消除了數值彌散現象,並得到了較小的時間截斷誤差;另一方面,對方程的擴散項採用混合元離散,可同時高精度逼近未知函數及其伴隨向量函數,理論分析表明,此方法是穩定的,具有最優的l ~ 2逼近精度。The < fo : bidi - override > object is used to override the default unicode bidi direction for different scripts in mixed - language documents
對象的作用是:忽略混合語言文檔當中不同腳本的默認bidi統一字元編碼方向。Whereas block element of interface element method ( iem ) could be arbitrary shape, the interfaces between block could describe the phenomenons of slip and crack, analysis of mesomechanics of concrete applying iem is appropriate. the model and arithmetic of iem is introduced in the paper
鑒于界面元離散模型中的塊體元可以為任意形狀,塊體元交界面的界面又能描述滑移或開裂現象,將其應用於混凝土多相材料的細觀力學行為分析及其對宏觀性能的影響是很合適的。With reference to the cracks occurring in the reinforced concrete pier shafts of a railway bridge during construction, the causes leading to the cracks and propagation process of the cracks are analyzed by means of theoretic calculation and finite element simulation
結合某鐵路橋施工期間鋼筋混凝土墩身開裂現象,通過理論與有限元模擬相結合的方法,對裂縫的出現原因及發展過程進行了分析。Considering the effects of the outside factor and the periodic change of the predictand, the multivariate mixed threshold regression model with periodic components is developed
摘要在綜合考慮預測對象的周期變化和前期外部因子的共同作用后,給出帶有周期分量的多元混合門限回歸模型。分享友人