構造擾動 的英文怎麼說

中文拼音 [gòuzàorǎodòng]
構造擾動 英文
tectonic churning
  • 構 : Ⅰ動詞1 （構造; 組合） construct; form; compose 2 （結成） fabricate; make up 3 （建造; 架屋） bui...
  • 造 : Ⅰ動詞1 （做; 製作） make; build; create; produce 2 （假編） cook up; fabricate; concoct 3 [書面語...
  • 擾 : Ⅰ動詞1 （擾亂; 攪擾） harass; trouble 2 （客套話 因受人款待而表示客氣） trespass on sb s hospital...
  • 構造 : structure; construction; constructional detail; tectonic; structural; makeup; anatomy; constituti...
  • 擾動 : excitation; turbulent motion; turbulence; destabilization; [物理學] perturbation motion; [地質學]...
  1. X-radiography has sometimes been used with success to detect bedding structures and bioturbation in apparently uniform sandstone.

    X射線照片有時已成功地用來發現外表均一的砂巖中的層次構造和生物擾動。
  2. X - radiography has sometimes been used with success to detect bedding structures and bioturbation in apparently uniform sandstone

    X射線照片有時已成功地用來發現外表均一的砂巖中的層次構造和生物擾動。
  3. So. the low speed jitter problem has been the central task in the servo system research. the improvement of the working precision at low speed is hindered by the disturbances of the friction moment and the motor torque wave, while the decrease of the disturbances is restricted by the making technology. for the reason, the research of the low speed properties and corresponding compensation methods means a lot for the optoelectronic tracking system

    轉臺伺服系統低速工作精度主要受到以摩擦力矩、電機波動力矩為主的擾動力矩的影響，而摩擦力矩、電機波動力矩的減小又受到轉臺製造工藝水平的限制，所以，轉臺伺服系統的低速特性以及抖動補償研究，對結構簡單、性能優良的精密光電跟蹤系統的研製，具有相當重要的意義。
  4. In latter part of chapter three, some exciting properties of the revised lagrangian function discussed first, which leads to form a dual algorithm of cora or cot. convergence theorem proved by banach perturbation theorem, bertsekas implicit function theorem ii and by analyzing hesse matrix of revised largrangian function

    另一類是構造相應的lagrange函數及其一種對偶演算法的迭代格式，討論了修正lagrange函數的性質，並藉助banach擾動定理及bertsekas第h隱函數定理，及對修正lagrange函數hesse陣分析，證明了該演算法的收斂性
  5. The essential problem with the restoration of mining engineering disturbed soil is to reconstruct soil profile, form proper soil physical and chemical properties in a very short period of time, and improve soil environment quality

    礦山工程擾動土人工再造的實質問題是土壤剖面的重新構造，並在較短的時間內形成適宜的土壤理化性狀，改善再造土壤的環境質量。
  6. A new algorithm is presented in this paper for piecewise quadric b - splines curve reconstruction from scattered data in a plane

    摘要基於控制頂點擾動的思想提出了一種新的曲線重構演算法，用於構造一條分段二次b樣條曲線來逼近平面上的散亂數據點。
  7. Then, as the substitute of the traditional pi controller, neuron adaptive psd controller is used to alternate the velocity loop of dc driver system, simulation results show that the super - shoot in new system is small and the performance in the way of anti - disturbance and anti - time - varying parameters are higher than the traditional pi controller and robustness of the dc driver system improved greatly, in addition, through analysis of the character of the neuron adaptive psd controller, the paper presents a neural network self - tuning control method for dc driver system in which the diagonal recurrent neural network is used to identify the plant to calculate the plant ' s sensitivity for psd controllers simulation results indicate that excellent static dynamic target was got with this control method and the performance of the system is improved greatly,

    然後，應用單神經元自適應psd控制器改造調速系統的轉速環，代替傳統pi調節方式的轉速控制器。模擬表明，新系統在超調、抗負載擾動和參數時變方面性能優于的傳統的pi控制方式，系統的魯棒性增強。在分析單神經元自適應psd控制器特性后，本文提出用對角遞歸神經網路辯識控制對象，為psd控制器提供靈敏度參數，從而構成一神經網路自校正控制方案。
  8. 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。
  9. The controllers have considered all sorts of imperceptible factors affecting the servo performances in a lpmsm servo system, which include the parametric uncertainties brought by the changes of the mobile mass, frictional coefficient, the thrust fluctuations aroused by the varieties of the magnetic density distributions and the time harmonic. the h state feedback controller restrains disturbances and uncertainties to keep the robust and stable performance. the ip controller, which has the ability of rapid response, is applied to satisfy the rapid performance

    在分析雙環控制問題時，針對直線永磁同步電動機，仔細考慮了能使伺服系統性能變壞的各種細微因素，如：永磁同步直線電機動子質量變化、摩擦系數變化等造成的模型參數不確定性，電機運行期間存在磁密分佈變化、時間諧波等產生的推力擾動等，採用了ip速度控制器和h _狀態反饋控制器相結合構成直線伺服的內環控制器，並輔助設計了外環的pi位置控制器。
  10. The chains 、 sprockets and flights are made of high - intensity engineering plastic. compared with the traditional trussed sludge scraper, it has some advantages : the more simple structure 、 lower cost 、 and more steady running, it doesn ' t destabilize the flow of the tanks

    本機的兩種鏈條、四種鏈輪及刮泥板等使用高強度工程塑料製造，與傳統的桁車式刮泥機相比，具有結構簡單、成本低、運行平穩、不擾動沉澱池水流的特點。
  11. In this thesis, we adopt the technique of statistical training, create a sample database of every kinds of expression face images, construct a matrix of the difference of each sample and average image, and reduce dimension by pca, then decrease the relativity of principle components by ica, and therefore get the character sub - space of face. when detecting a face, we adopt the method of disturbing principle components of model to match special facial image, which is called whole optimization method in this thesis

    論文採用統計訓練的思想，選擇包括各種表情變化的人臉圖像建立樣本庫，取所有樣本與平均圖像的差構造一個矩陣，利用主元分析方法進行降維，然後通過獨立元分析降低主元相關性，建立了人臉的特徵子空間；演算法採取對主元進行擾動優化匹配的方法檢測人臉，本文稱此方法為全局最優的方法。
  12. Aiming at the feature of cm interference in power converters, a new approach ? intrinsic dynamic nodes potential balance is proposed. by building node pair with balance potential and making use of the intrinsic stray capacitor of power semiconductor devices, the cm current can be suppressed effectively

    在對共模干擾建模的基礎上，提出了內在動態節點電位平衡的思想，其思路是通過在電路內部構造動態電位平衡節點對，並利用電路中功率器件固有的對地分佈電容使得電路中的共模干擾電流互相抵消，從而抑制功率變換器的共模emi 。
  13. In studying the entrepreneur ' s flowage, the paper studies the relationship among the supply, demand and human capital price in the entrepreneur market in ration ; then the paper applies the law of gravity to research the drive of the entrepreneur ' s flowage, and a mathematic model about the drive of the entrepreneur ' s flowage is constructed. the paper puts forward the concept of the environment disturbing degree, constructs a predicting model of the environment disturbing factors, forms a measuring model of the environment disturbing degree, and uses the environment disturbing degree - measuring model to measure entrepreneur marketization environment disturbing degree

    在對企業家流動研究時，論文將萬有引力定律應用於解釋企業家流動的動力研究，並構造了企業家流動動力的數學模型；論文提出了環境擾動度的概念，構造了環境擾動度的測度模型西安理工大學碩士學位論文及其影響因素的量化預測模型，並對企業家市場化環境擾動度進行了測度研究;論文最後提出了企業家市場化的配套措施與建議等。
  14. A mathematical model of flows in the substrate was established using the equivalent continuum approach, and multi - dimensional numerical simulation of the steady flows in the catalytic converters was performed. simulation results show that the separation and vortex, which cause the pressure loss and the velocity non - uniformity at the front of the first substrate, are generated near the wall of the conical pipe. in addition, the larger the inlet cones angle the more the pressure loss and maldistribution in converters, however, when the angle enlarges enough the pressure loss would be decrease

    結果顯示氣流在擴張圓錐管壁附近出現分離產生較強的擾動，造成局部流動損失和載體前氣流速度沿徑向分佈不均勻；入口擴張管結構對催化器的流動特性有很大影響，但並非擴張角越大，催化器流速武漢理工大學碩士學位論文分佈的不均勻性和壓力損失也增大，而是存在著一個最佳角度，但當擴張角增大到一定程度以後，擴張角對流速分佈和壓力損失的影響變小。
  15. The simulation results indicate that the algorithm is suitable for the speed regulation of srm. within a wide speed range the system has a good regulation character and a high precision of steady state, also the system can well constrain the disturbance of the load torque varying

    模擬結果表明，採用本演算法構成的sr電機凋速系統在整個調速范圍內具有良好的調節性能及穩態精度，對負載轉矩的變化造成的擾動輸入能夠很好的加以抑制。
  16. We also consider the lotka - volterra system. we construct the examples of the classes 26, 28, 29 ( under zeeman ' s classification ) in three dimensional lotka - volterra competitive system with two limit cycles and the class 27 with three limit cycles

    對于高維的微分動力系統，我們考慮數學生物學領域中最為基本和重要的lotka - volterra系統，分別構造了該系統在zeeman分類下的第26 ， 28 ， 29類具有兩個小擾動極限環和第27類具有三個極限環的例子
  17. The prediction of disastrous space weather is a hot topi c among solar - terrestrial physics and high technological fields. we propose that the future forecasting of the physical conditions that the violent solar disturb ance causes at the earth by propagating in solar wind depends heavily on the num erical method. this paper analyses the existing problems we are facing in the num erical prediction of disastrous disturbance events in solar - terrestrial space, an d then gives some suggestions for future study. for such a purpose, a six step sol ution method is developed to deal with one - dimensional symmetric interplanetary shock dynamics. it should be point out that that initialization of fully self - con sistent 3 - d mhd codes considering the solar - interplanetary - geomagnetic coupled r elations with initial - boundary values at 1r of the global output of solar pl asma and magnetic field using available solar observations is an essential requi rement in space weather operational codes for forecasting purposes

    空間災害性天氣的預報是日地物理學界及高科技領域的熱門話題.未來預測太陽劇烈擾動所造成的行星際風暴到達地球空間的狀態勢必藉助于數值方法.淺析了空間災害性擾動事件數值預報存在的問題及未來設想，針對這一目的對一維球對稱問題提出了處理行星際激波的6步求解方法，指出未來空間災害性擾動事件預報模式應是一個基於三維的以真實太陽風為背景自洽建立起來的、以太陽等離子體輸出及磁場全球結構為初邊值、太陽、行星際、地磁因果耦合模式
  18. Thermal infrared radiation of land surface ( tirls ) is influenced by many factors such as tectonic activity, atmosphere, solar radiation, plant and so on

    摘要地表熱紅外輻射的影響因素較多，不僅受到構造活動的影響，還受到大氣、太陽以及植被等多種因素的干擾。
  19. Based on the qualitative theoy of differential polynomial system, algorithm to calculate the focal values, the construction of small amplitude limit cycles, hirsch ' s monotone theory and the center manifold theorem etc, we apply mrealroot algorithm to many problems, such as to obtain the real solutions of polynomial systems, to confirm the number of limit cycles in differential system and to construct the limit cycles

    結合平面微分多項式系統的定性理論，計算焦點量的演算法，小擾動極限環的構造， hirsch的單調性理論和中心流形定理等， mrealroot演算法在大量具體問題，包括實根分佈、小擾動極限環個數以及高維系統極限環構造等方面都有廣泛的應用
  20. But adjoint method and lsv method are based on linear theory and can only describe the development of small perturbations during the validity period of tangent linear model

    在計算得到切線性模式的奇異向量后，可以用這些奇異向量構造初始誤差。線性奇異向量方法也是一種線性理論，只能描述切線性模式有效時段內小擾動的發展。
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