準線性模式 的英文怎麼說

中文拼音 [zhǔnxiànxìngmóshì]
準線性模式 英文
quasi-linear mode
  • 準 : Ⅰ名詞1 （標準） standard; guideline; criterion; norm 2 （目標） aim; target Ⅱ動詞1 （依據; 依照）...
  • 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...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
  • 模式 : model; mode; pattern; type; schema
  1. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先，系統分析了影響黃河水位的水沙因素，及僅用水沙因素有效研究水位的可行性，並按變量對應思想採集它們的相應數據；其次，由於相應水位過程數據中含極強的非線性關系，本論文經細致的理論分析，將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合，提出了能有效實現這類數據高精度擬合的分層篩選法，並改進了統計學中多因子（三個以上）方差分析法；再次，將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合，實現了這一典型非線性關系的高精度擬合，各年汛期上下游相應洪水位過程的擬合誤差都較小；最後，明確黃河下游含沙量對水位的主要影響方式，即含沙量主要是與其它因素聯合對水位作用；另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。
  2. Roll over protective structure ( rops ) is a device which installs on out of construction vehicle. the main functions are : when the vehicle rolling over. rops can prevent the vehicle from rolling over further, and reduce the possibility of rolling vehicle injures operator ; when the vehicle traveling on freezing soil. concrete and rock, it has large resist continuous impact ability ; when the vehicle overturning rops can support the whole vehicle. arrangement of falling object protective structure ( fops ) can block objects ( such as trees, rocks ) so that supply protection for operator. this problem is that research rolling over and falling objects protective structure of bulldozer by learning research condition of rops / fops and relative lay down international standard. on the base of theory analysis. detrudes counting formula of rops / fops deformation through founding mechanics analysis model of rops / fops at the stage of elasticity and plastoelastic. and finds a set of feasible nonlinear finite element analysis counting. lt calculates rops / fops plastoelastic deforma variable of 320hp bulldozer, bulldozer has been carried out by optimizing design method

    其主要功能是：當車輛滾翻時， rops能刺入未凍土壤而阻止車輛的進一步滾翻，降低滾翻的車輛對系著安全帶司機軋傷的可能性；保證rops在碰撞和沖擊變形不大的地面（如凍土、混疑土上、巖石）時，能具有相當大的抗連續沖擊能力；當車輛已經處于顛覆狀態時，已經變形的rops應能支撐住整車。落物保護裝置（簡稱fops ） ，其構件的布置方式要能遮蔽墜落的物體（如，樹木、巖石等） ，以便對司機提供適當的保護。本課題主要通過了解國內外有關對rops fops的研究情況和有關國際標準的制定，對大型推土機傾翻和落物保護裝置進行研究，在理論分析的基礎上，通過建立rops fops的力學分析模型，推導彈性、彈塑性階段rops fops變形的計算公式，建立一套可行的rops fops的非線性有限元分析計算方法。
  3. Abstract : a cad tool based on a group of efficient algorithms to verify, design, and optimize power / ground networks for standard cell model is presented. nonlinear programming techniques, branch and bound algorithms and incomplete cholesky decomposition conjugate gradient method ( iccg ) are the three main parts of our work. users can choose nonlinear programming method or branch and bound algorithm to satisfy their different requirements of precision and speed. the experimental results prove that the algorithms can run very fast with lower wiring resources consumption. as a result, the cad tool based on these algorithms is able to cope with large - scale circuits

    文摘:介紹了一個基於標準單元布圖模式的電源線/地線網路的輔助設計集成工具.它應用了一系列高效的演算法，為用戶提供了電源線/地線網路的設計、優化和驗證的功能.非線性優化技術、分枝定界演算法和不完全喬萊斯基分解的預優共軛梯度法是該工作的三個主體部分.用戶可以選擇使用非線性規劃的方法或者幾種分枝定界方法來滿足他們對于精度和速度方面的不同需求.實驗結果表明，文中所提供的演算法可以在很快的運行速度下實現更低的布線資源佔用.因此，在這些有效演算法基礎上實現的輔助設計工具具有處理大規模電路的能力
  4. Due to the short distance among the planes which fly in a group, the conventional low resolution radar can not distinguish them in both distance and azimuth ? if we use the technology of isar to resolve the difference among doppler frequency of the targets and obtain a fine resolution cross - cross image, we may separate them, but a long time of coherent processing is needed <, for the formation targets, it can be approximately divided to rigid body and nonrigid body, so for the formation targets, that can be regarded as rigid which has a relative position and an identical movement, can be approximately considered as a large target, and be compensated by translational phase with the rule of minimum entropy, but for the most those cannot accord with the approximation of rigid, being the doppler - frequency of the aim is linear changed, by the relax method with short data, increases the resolving performance of multiple target to the aim in the frequency domain, since cross - range resolution is based on the accumulative time, so it is greatly improve the resolution to formation targets by the instant cross - range image which produced by radon - wigner transformation

    低分辨isan成像及干涉技術應用研究一因此直接無法分辨編隊目標的架數，我們借鑒isar的技術，通過較長時間的相干積累，在多普勒頻域上對目標進行分辨。而對于編隊目標，可分為近似剛性的多目標和非剛性的多目標，所以對于可以近似為剛體的編隊目標相對位置固定，運動方式一致，可以近似看作一個大目標，採用最小墑準則對平動相位的進行補償，但是大多數並不滿足剛體近似的編隊目標，由於目標在相干積累時間的多普勒頻率近似呈線性變化，通過對較短數據利用relax的時頻分析方法，提高了頻率域上目標分辨的性能。由於橫向解析度取塊于橫向積累時間，所以利用radnwigner變換得到瞬時的一維橫向距離像大大提高了對編隊目標的分辨，對模擬和實測數據的大量分析結果表明此方法的有效性和可行。
  5. Parameters can be interpreted through the method used in straight wells. after logging curves in horizontal wells are revised to true vertical depth, oil - bearing formation is evaluated through the comparison of wells combined with geological information. logging while drilling have great difference with ordinary cable logging especially in deviated holes and horizontal wells. comparison of cable logging and lwd carried out in different time indicates characters of mud invasion

    實際解釋lwd資料時首先需對隨鉆測井資料進行預處理和標準化，然後從隨鉆測井、錄井資料中提取與巖性密切相關的參數，建立測井相-巖相統計模式，並採用灰色關聯識別方法實時判別地層巖性；採用直井的參數解釋方法進行隨鉆地層參數解釋；將水平井的隨鉆測井曲線從實際井深校正到垂直井深上，通過隨鉆測井資料與鄰井測井資料的對比解釋，並結合地質、錄井資料進行隨鉆地層含油氣性評價。
  6. Since the images of a human face lie in a complex subset of the image space that is unlikely to be modeled by a single linear subspace, we use a mixture of linear subspaces to model the distribution efface and non - face patterns. in the other words, we used fisher linear discriminator to project samples from a height dimensional image space to a lower dimensional feature space

    對于背景復雜的人臉圖象的檢測，使用單個線性線性子空間很難準確地區分出人臉和非人臉模式，因此，本文使用混合線性子空間對人臉和非人臉樣本的分佈進行建模，在利用自組織映射神經網路標識人臉和非人臉樣本的基礎上構建一個fisher人臉檢測器。
  7. This paper, based on normalizing well logging data while drilling and correcting depth into true vertical depth and calculating reservoir parameters and etc, combining the practical ease of mobei oilfield, extracted logging and geological pattern characteristic of target oil - gas formation and geosteering mark formation, and used bp neural network and regressive analysis to create predicting mode of geosteering parameter to build relevant contrast curve ; adopted geometry geosteering method to fix on die drilling direction of bit upper and declination, the position in reservoir, to judge the real drilling case. all finely solved the problem to follow the geological target while drilling for three horizontal well these methods improve the drilling horizontal well ability by using the techniques to follow the geological target while drilling, and then it is convenient and practicable

    本文在開展隨鉆測井資料的標準化和斜井校正及儲層參數解釋與含流體性質判釋等工作的基礎上，結合研究工區莫北油田的實際情況，提取了目標油（氣）層和導向標志層的測井地質模式特徵，並採用bp神經網路法和回歸分析法建立了地質導向參數的預測模型、構造了相應的對比曲線；採用幾何導向法確定鉆頭上下傾鉆進方向及其在目標層的位置，以判斷實際鉆進地層情況，很好地解決了研究工區三口水平井的隨鉆跟蹤地質目標的問題。
  8. The outstanding features of this paper lied in the following aspects : it tried to master the guiding ideology of the reform in science complex ; it tried to find out the optimum biology teaching method : it suggested that the teaching of declarative knowledge should reflect the social meaning and advanced merits ; it proposed applying multiple teaching methods to raise the class teaching efficiency ; it maked reasonable use of all initiative new teaching models, realized the combination of " ability clue " and " knowledge clue ", and endowed the students with the ability to analyze systematically and think in whole. in the period of the revision for the entrance exam, not only the basic knowledge should be consolidated, but their comprehensive ability should be cultivated through the building of subject structure

    本文的突出特點是不僅在宏觀方面力求把握理綜改革的指導思想，而且在微觀方面力爭找準優化生物學課堂教學的切入點：主張陳述性知識的教學要充分體現先進性和社會性；倡導在課堂教學中採取多元化的教學方法和手段，提高課堂教學效率：合理運用各類創新型教學模式，實施構建「能力主線」 ，並和「知識主線」相結合，培養學生的系統分析和整合的思維能力。在迎考復習階段，不但要夯實基礎，還要通過學科知識結構的構建培養學生的綜合能力。
  9. In this thesis, a new kinematic model of nonholonomic car - like robot, differential driving car - like robot model is proposed. a feedback controller via approximate linearization and a feedback controller via exact feedback linearization are designed for trajectory tracking problem. it is proved that differential driving car - like robot model can be converted into a canonical form, chained form

    本文提出一種新的非完整約束車型機器人運動學模型? ?差動驅動機器人模型，就軌跡跟蹤問題，設計出了近似線性化反饋控制器及精確線性化反饋控制器，並證明了這種運動學模型可以轉化為一種標準型? ?鏈式結構，因此此項研究具有普遍意義。
  10. This is the second bifurcation of the rotor, leading to low frequency movement at about 1 / 6 rotary speed. ( 3 ) in the third part of the paper, we focus on how to establish a rotor model with multi. span and multi. disk including main linear and nonlinear stimulations on the rotors system. the rules for establishing this kind of rotors model are put forward at the beginning of this part

    （ 3 ）提出了轉子大系統的理論建模準則，考慮非線性油膜力、聯軸節剛度及標高等因素的影響，建立了一個16dof兩跨四盤四支撐不平衡彈性轉子模型，並提出了大型汽輪發電機組全軸系的48dof理論模型，建立了考慮陀螺效應時的復數形式的非線性動力學模型。
  11. ( 3 ) the equivalent stress, which is from the coefficients for the spectrum - loads and miner linear accumulated damage rule, an approach for material probabilistic fatigue strength for spectrum loads is suggested. this approach are established by the composed of p - c - s - n curves for extreme maximum model

    （ 3 ）根據譜載荷系數和miner線性累積損傷準則得到的譜載荷下的當量應力的關系，與極大值模型的p - c - s - n曲線相結合，提出了譜載荷下材料概率疲勞強度的表達式。
  12. Linear utility function, non - linear utility junction, and randomly distributed parameter utility function were all specified to find the effect of utility function specification on the updating of model

    效用函數指定除一般常用的線性模式外，另建立旅行服務水準變數為非線性與旅行時間變數之參數為常態分配之效用函數，來探討效用函數指定對模式更新之影響。
  13. The topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits. taking full - bridge mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of the converter are investigated. the output characteristic curve, the design for the key circuit parameters and the reference sinusoidal circuit which is synchronous with the signal of n or 1 / n times line voltage frequency are given

    該電路拓撲族包括單四象限功率開關式、推挽式、半橋式、全橋式電路，以全橋式電路為例分析研究了這類換器工作模式、穩態原理與電壓瞬時值反饋控制策略，給出了變換器的外特性曲線、關鍵電路參數、與電網電壓n倍頻或n分頻信號同步的基準正弦電路的設計。
  14. Avoiding the use of mathematic models, the fuzzy logical control ( flc ) system meets the control demands of the tunnel ventilation process well which is a nonlinear distribution system. but because of its lacking of learning and adaptive ability, many problems has emerged when using flc : the membership functions of the fuzzy variables cannot be changed, the fuzzy logical rules cannot be modified automatically when environmental variables such as traffic model, average exhaust, etc, are changed. for this reason, the paper uses fuzzy neural network control ( fnnc ) system to improve the control process

    模糊控制系統避開了數學模型，能很好適應公路隧道通風系統非線性和分散式參數特徵，但是模糊控制系統本身的學習和適應能力差，導致了模糊變量各語言值隸屬函數和控制規則不能隨著環境參數（如交通量、基準排放量等）的改變而自動調整和修改等問題，本文將具有強大學習能力的神經網路融合到模糊控制系統中，研究和探討了隧道通風模糊神經控制方法。
  15. Fourth, according to the weibull distributing functions of equivalent loads, calculated the max loads by expanded sample method, acquired eight routine loads spectrum of each roads taking advantages of the connover classification method, calculated the respective enhancement coefficient in principle of amended miner linear accumulated fatigue damage rule, by the comparative norm of general tar - paved road, educed the mathematical model of calculating enhancement coefficient of synthesized roads

    利用數理統計的方法得到了各路面的等效載荷的weibull分佈函數。第四，根據各路面的等效載荷的weibull分佈函數採用擴展樣本法求得了各路面的極值載荷，按照connover的分級法得到了各路面的八級程序載荷譜。以一般瀝青公路為比較基準，採用修正的miner線性累積損傷理論，根據前橋的s - n和p - s - n關系式得到了各路面的強化系數，建立了綜合路面的強化系數計算的數學模型。
  16. Then in this paper i develop a principle and subordinate dimmer depending on the lighting products made in national. also, it provides the new design scheme combining the eib ' s dimming driver with the national principle and subordinate dimmer, which can reduce the average costs but guarantee the opening, compatibility and standard criterion of eib. the scheme solves the problem - expensive price and spread the eib ' s small system and independent system ' s integrate pattern when we extend the eib

    研究分析了eib的電氣安裝配線技術；借鑒松下照明產品，研製開發了主從式數字調光器；創新的提出了eib調光驅動器+松下主從調光器的設計方案，在保證eib協議的開放性、兼容性和標準規范的同時，降低了節點平均成本，合理的解決了eib推廣過程中遇到的最大難題? ?價格過于昂貴，拓展了eib在小系統和獨立子系統中的集成模式。
  17. Based on the analyses of the investment of nozzle tube net and relationship between the annual operation cost and tube diameter function of a fixed spray irrigation system, a mathematic model to calculate the economical tube diameter of a spray irrigation system is developed by using the minimum expense norm and nonlinear planning theory in engineering economic analysis, and a direct calculation formula for the economical tube diameter in unrestrained conditions is presented

    摘要在分析了固定式噴灌系統的管網投資、年運行費用與管徑函數關系的基礎上，利用工程經濟分析中費用最小化準則和非線性規劃理論，建立了求解噴灌系統管網經濟管徑的數學模型，並給出了無約束條件直接求解經濟管徑的計算式。
  18. The results of numerical experiments, using the four - dimensional variational data assimilation system of the nonhydrostatic mesoscale model mm5, show that : the tangent linear model and adjoint model conducted by keeping the " on - off " switches the same as the basic state, can provide a good approximation of the first - order information to the nlm perturbation and a good descent direction for the minimization procedure ; switching on and off at every other time step in the kuo cumulus parameterization scheme do n ' t impact the convergence rate of cost function ; the existence of the switches do n ' t impact improvement to the mm5 model rainfall prediction because that not only specific humidity, but also wind, temperature and pressure are assimilated into the model

    非靜力中尺度數值模式mm5的四維變分資料同化系統進行的數值試驗結果表明： 「開關」變量保持與基態一致，所構造的切向線性模式能夠提供關于非線性模式擾動的一階近似，伴隨模式所計算的梯度值能夠為最小化過程提供較好的下降方向；郭氏降水參數化方案中對流每隔一個積分步的交替發生並不影響目標函數最小化的收斂速度； 「開關」變量的存在也不影響將風、溫度、氣壓和比濕結合起來同化對mm5降水預報準確性的提高。
  19. This paper puts emphasis on dynamic simulation based on switched reluctance drivers ' s ( srd ' s ) nonlinear model, and study of fuzzy control for srd. based on switched reluctance motor ' s linear, nonlinear model, the dynamic simulation model of srd ' s is built respectively. the phase current, phase torque, total torque and speed of srm in current chopping control ( ccc ) and angular position control ( apc ) are calculated respectively with this simulation

    本文在分析sr電機線性、準線性、非線性模型的基礎上建立了四相（ 8 / 6極） sr電機調速系統（ srd ）動態線性、非線性模擬模型，分別對電流斬波控制方式（ ccc ）與角度位置控制方式（ apc ）下sr電機相電流、一相轉矩、合成轉矩及角速度進行了模擬。
  20. Based on linear and quasi - linear method, this paper provides a non - linear inductance model of srm. the coefficients of the model are gained with least square parameter estimation

    本文在sr電機線性模型和準線性模型基礎上給出了一種sr電機的非線性電感模型，採用最小二乘參數估計法給出了該解析表達式的各項系數。
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