time-space problem 中文意思是什麼

time-space problem 解釋
時間空間問題
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  • space : n 1 空間;太空。2 空隙,空地;場地;(火車輪船飛機中的)座位;餘地;篇幅。3 空白;間隔;距離。4 ...
  • problem : n. 1. 問題,課題;疑難問題;令人困惑的情況。2. 【數、物】習題;作圖題。3. (象棋的)布局問題。adj. 1. 成問題的;難處理的。2. 關于社會問題的。
  1. During the development of real - time application software systems for space - flight engineering, various model tests of missiles weapons, and dynamic model tests of cruise missiles, software testing has been a significant problem of quality control that remains to be solved

    在航天工程、導彈武器多種型號試驗任務的各項計算機實時應用軟體系統的研製過程中,軟體測試問題是保證各大系統軟體質量所面臨的亟待解決的問題。
  2. Today the architecture in china is pedantic gamesmanship in scholarship and emphasize too much on the form of building in design. face this phenomeon, the paper sets out from the essence, considers the basic problem in architecture creation from the architectural structure, technique, material, space, building and environment, tradition and creation, etc. the paper studies on architecture noumenon and its humane value, analyzes the design principle and method of expressing humane value with architecture noumenon, point out that this kind of design principle and method emphasize the tangible materility of architecture ' s tectonic and craft, and at the same time make a point of the expression of architecture ' s essense, it not only create the spiritual beauty that forms the building with abundant tectonic and wrought detail, but also create the architect ' s place sprit through facing tradition and context with accommodative language of modern architecture

    面對當今建築界在學術方面學究式的取巧以及在建築設計中對形式的過于強調,本論文從本體出發,從建築的構造、技術、材料、空間以及建築與環境、傳統與創新的關系各個方面思考建築創作中的基本問題,對建築本體及其人文內涵進行研究,分析以建築本體表達人文內涵的設計理念和設計方法,指出這種設計理念和設計方法在強調建築構造工藝方面的可觸知的物質性的同時,還注重建築的內在含義的表達,不僅以豐富的建構語言和細部處理形成建築的內在美,而且以包容性的現代建築語言面對歷史傳統和環境文脈,形成建築的場所感。
  3. Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located

    首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式:然後利用疊加原理,選擇合適坐標系,求解了導體球中時諧電流元的修正磁矢量位邊值問題,得到了問題的解析解;最後依據不同坐標系下電磁場解的轉化原理,藉助勒讓德多項式和n次1階球諧函數的加法公式,將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解,給出了球內電場和球外磁場的並矢格林函數。
  4. Then, the solving method is studied besides the transform relationship of the problem between the time space and the phase space

    研究了問題在時域和相空間中的變換關系和求解方法。
  5. Man, lion, and arrow deal dizzyingly with the time / space problem ; a chase with intent to murder during rush - hour traffic traces the ultimately saving method in the madness ; cross lovers are further crossed by the crazy pattern of highway driving - and so it goes

    人,獅子和弓箭一起糊裡糊塗的對付時間/空間問題;在交通高峰時間的追殺反而最終在瘋狂中找到了一個解決辦法;關系復雜的戀人們被高速公路上的瘋狂駕駛搞得關系更加復雜,以及諸如此類的故事。
  6. Because of the long distance of exploration targets and the non - determinacy of flight environment in deep space exploration, a key problem proposed is how to control and operate the deep space explorer reliably and in real time

    深空探測由於探測目標距離遠,飛行環境不確定等因素,給探測器的控制和操作帶來了實時性和可靠性的問題。
  7. Precision seeder, grain drill seeder, hill - drop planter, seeding monomer, and seed sowing device for the first time are realize to be tested on one comprehensive test - bed, and at the same time, hard problem of evaluating seeding accuracy from seed kernel space interval is solved

    該系統首次實現了對精密播種機、穀物條播機、穴播機,及排種器等多類型播種機具播種精度的檢測,解決了通過直接獲得種子粒間距而檢測播種精度這一難點問題。
  8. Because ga possesses the traits of can global random search, the robustness is strong, been use briefly and broadly, it didn ’ t use path search, and use probability search, didn ’ t care inherence rule of problem itself, can search the global optimum points effectively and rapidly in great vector space of complicated, many peak values, cannot differentiable. so it can offset the shortages of nn study algorithm, can reduce the possibility that the minimum value get into local greatly, the speed of convergence can improve, interpolation time shorten greatly, the quantity of training reduce

    因為遺傳演算法具有全局隨機搜索能力,魯棒性強、使用簡單和廣泛的特點,它不採用路徑搜索,而採用概率搜索,不用關心問題本身的內在規律,能夠在復雜的、多峰值的、不可微的大矢量空間中迅速有效地尋找到全局最優解,所以可以彌補神經網路學習演算法的不足,使陷入局部最小值的可能性大大減少,使得收斂速度提高,訓練量減小。
  9. Finally a set of equations with initiate values for boundary value problem is established where the velocity potential and its normal derivative are unknowns. because the model includes the effects of both the time and space to the velocity potential of free surface, it can be applied to strong nonlinear wave. as examples, solitary wave is computed in the numerical flume

    推導給出計算域內以所有節點波勢函數和波面位置高度的時間增量為未知量的線性方程組,並同時考慮時間因素和空間變位對波面勢函數的影響,在預設的計算精度下,通過時步內的循環迭代逐一確定每個時步上的波面運動位置,從而建立了一種可適于求解強非線性波浪變形計算的數值模式。
  10. Secondly, by studying the space - calibration, time - calibration and spot - track ' unite, the spot - track of multi - radar centralized - system be importantly discussed how to deal with and the tracking problem of multi - radar centralized - system be turned single radar multi - target tracking matter. in the spot - track ' unite, the clustering idear of mode - identify is used to settle the problem and the calculation load is be reduced

    從空間校準、時間校準和點跡合併三方面,對集中式多雷達系統的點跡處理進行了重點研究;通過點跡處理將集中式多雷達系統的跟蹤轉換為單雷達多目標跟蹤問題。
  11. We get the estimates of the upper bounds of hausdorff and fractal dimensions for the global attractors. in section 5. 3, the cauchy problem is studied, by using the weighted function space and the interpolating inequality, the existence of the global attractors for the damped generalized coupled nonlinear wave equations in an unbounded domain is proved. in section 5. 4, the time periodic solution problem of damped generalized coupled nonlinear wave equations with periodic boundary conditions is studied, the existence of time periodic soluation of this problem is proved by using the convergence of approximate time periodic solution sequences

    第五章,考慮了一類廣義耦合的非線性波動方程組,在第二節中討論了周期初值問題,證明了整體光滑解的存在性和唯一性,得到了整體吸引子,給出了hausdorff維數和分形維數的上界估計;在第三節中討論了cauchy問題,利用加權函數和加權空間的插值不等式,證明了無界區域上整體吸引子的存在性;在第四節中證明了時間周期解的存在性。
  12. Chapter 6, consider a coupled generalized kdv - burgers equation. in section 6. 2, we study the initial - boundary value problem in the semi - unbounded domain, the existence of global solutions and global attractors is proved by means of a uniform priori estimate for time. in section 6. 3, the cauchy problem by using the weighted space, the existence of the global attractors for a coupled generalized kdv - burgers in an semi - unbounded domain is proved

    第六章,考慮了一類廣義耦合的kdv - burgers方程,在第二節中討論了半無界區域上的初邊值問題,證明了整體光滑解和整體吸引子的存在性;在第三節中討論了cauchy問題,利用加權函數和加權空間上的插值8不等式,證明了半無界區域上整體吸引子的存在性。
  13. The main work of this paper was as fellows : ( 1 ) generalized the development of pre - stressed steel structure in our nation and abroad, and pointed out the main problem in practice ; ( 2 ) presented the mechanism of pre - stressed steel structure and revealed its applicable range ; ( 3 ) established the optimization design model for pre - stressed steel structure, which accounts for constraints on stresses and displacements of structure ; ( 4 ) brought forward the optimization design method, which combined linear programming and the principle of full restriction, through which we can obtain the magnitude of each time pre - stress and the optimized sections of each members of structure ; ( 5 ) analyzed the best times of pre - stress and pointed out that 2 ~ 3 times is preferable ; ( 6 ) conducted optimization design on large - space steel roof, horizontal parallel steel truss with local cables, horizontal parallel steel truss with global cable, and ultra - static steel truss, the result of which indicated that the multiple pre - stress structure is very economic ; ( 7 ) compared different schemes of cable placement for horizontal parallel steel truss, and the results showed that the local cable only unloaded the second girders, but had no response on the first girders and stomach poles, while global cable could unload the second girders and the stomach poles outside of turning point of cable, thus proving that global cable is more economic than local - cable

    本文的主要工作是:對國內外預應力鋼結構的發展歷史及現狀作了綜述和總結,指出當前預應力鋼結構工程實踐中存在的主要問題;闡述了預應力鋼結構的受力機理,並指出預應力鋼結構的適用范圍和特點;在考慮結構應力和變位約束的條件下,建立預應力鋼結構優化設計模型;提出多次預應力鋼結構優化設計方法和步驟,採用線性規劃和滿約束準則相結合的優化方法,可優化設計出施加的每一級預應力的大小,並得到結構各部分的優化截面;對多次預應力最佳的施加次數作了分析,並建議以2 3次為宜;為驗證文中理論和方法,分別對大跨多次預應力鋼屋架、局部布索的水平平行弦鋼桁架、整體布索的水平平行弦鋼桁架和局部布索的超靜定鋼桁架等算例進行了優化設計,經濟效益明顯;對水平平行弦鋼桁架的幾種施加預應力的方案進行比較,對于局部布索,預應力只對下弦起到卸載作用,對上弦和腹桿基本不起作用;而整體布索預應力除對下弦卸載外,對索折點以外部分腹桿也起到卸載作用,經濟效益好於局部布索。
  14. In this paper, by using monte carlo method with irregular grid random walk in time - space domain the problem of mass concrete transient temperature field was solved

    摘要利用求偏微分方程的蒙特卡羅演算法,通過在時空域中不規則網格隨機游動來求解大體積混凝土不穩定溫度場。
  15. A statistical method is used to obtain the background model, which is updated real time in order to adapt to illumination changes and scene changes. after threshold operation, morphologic operation and connected region area measurement are introduced to solve background disturb problem. at last, shadows are detected using hsv color space information and gets exact moving regions

    該方法首先利用統計的方法得到背景模型,並實時地對背景模型進行更新,以適應外界光線變化和場景本身的變化,閾值操作后,用形態學和連通域檢測的方法進行后處理,消除噪聲和背景擾動帶來的影響,最後,在hsv顏色空間下檢測出陰影,得到準確的運動對象區域。
  16. Aiming at resolving the asynchronous reception problem in the downlink of distributed mimo systems, there exist some detection algorithms such as distributed space time codes and iterative trellis search detection

    針對分佈mimo中上述問題的解決方法,目前存在分佈空時分組碼和基於格的迭代搜索檢測演算法。
  17. The prediction control problem for discrete time - delay system and continuous time - delay system with sinusoidal disturbance is concerned in this paper. chapter 3 is to remove the time - delay from a discrete system with control time - delay by predictive control. the state predictive observer and optimal predictive controller for the discrete delay system based on a state space model are presented

    對于離散時滯系統,本文第三章通過構造預測模型所得的系統輸出預測向量和系統的控制向量,為系統設計了全維狀態預測觀測器( spo ) ,並將該狀態預測觀測器應用於多步預測控制,根據最優控制理論,構建了全維模型預測控制器。
  18. This raises the problem of interaction between objects displayed in present time space ( the player ' s avatar ) and objects displayed in a past time space ( remote characters, ai entities )

    這也產生了一個顯示在當前時間空間的對象(玩家自己控制的角色)與顯示在過去時間空間的對象(遠程角色對象, ai控制實體)之間的交互問題。
  19. Chapter one expatiates the significance and the development in this aspect at present. chapter two calculates the temperature distribution of crude oil in tank based on the finite cell method in resolving space problem and the finite difference method on time issue

    第一章首先闡述了該課題的研究意義以及目前在這方面的研究現狀;第二章利用有限單元法及有限差分法對艙內溫度場進行數值計算,得到模擬計算結果。
  20. In order to effectively solve the problem of monitoring time - space changes of soil moisture in large - scale regions, according to the conclusion of soil moisture retrievingby passive microwave remote sensing, a methodology of the soil surface emissivity was proposed by model bsm based on amsr - e microwave remote sensing data, proof of the relationship between surface soil moisture and surface emissivity

    摘要為了有效解決大尺度區域土壤水分時、空間變化監測問題,在總結了被動微波遙感反演土壤濕度規律的基礎上,基於先進的amsr - e星載被動微波遙感數據,提出了利用雙譜模型計算土壤表面發射率的計算方法。
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