高階求導 的英文怎麼說

中文拼音 [gāojiēqiúdǎo]
高階求導 英文
higher derivation
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 階 : 名詞1. （臺階） steps; stairs 2. （等級） rank 3. [醫學] （耳蝸的三個螺旋管的任一個） scala 4. [數學] order 5. [地質學] stage
  • 求 : Ⅰ動詞1 （請求; 要求） ask; beg; request; entreat; beseech : 求人幫忙 ask sb a favour; ask a favou...
  • 導 : 動詞1. （引導） lead; guide 2. （傳導） transmit; conduct 3. （開導） instruct; teach; give guidance to
  • 高階 : high [higher] order高階導數 higher derivative; higher order derivative; derivative of higher orde...
  1. The dissertion, after introducing physical geography situation and societal economic sitiuation of chongqing, has also analysed the basic feature of water resources in chongqing, at present the water resources utilization in chongqing is still in traditional phase. there are so many faults and shortcomings in water resources management system. the construction of water resources institutions and regulations is fallen behind. the supply of water resoures has not sufficiently satisfied the demand to water resources. the condition of water quality has not radically improved. soil losses is still serious. the incidence of flood and drought is very high. in accordance with present condition of water resources utilization in chongqing, the dissertion argues that it should strengthen people ' s understanding to water resources sustainable utilization for chongqing ; reform the present water rexources management system and have a try on water affairs management system in chongqing ; make effort to construction of water resources " institutions and regulations ; realize demand management, constuct save - water model society ; according to actual condition, strength water utilization constrution, then realize the balance between water resources supply and demand ; according to the idea of " control resources, conduct flow ", control water pollution, realize sanitary generation ; control soil losses and protect water enviroment ; construc t the system of flood control and diaster prevent

    在對重慶市的自然地理情況和社會經濟情況作了介紹之後，還分析了重慶市水資源的基本特徵，目前重慶市的水資源利用還處在傳統的開發利用階段，水資源管理體制還存在許多弊端，水的法規制度建設也相對落後，水的供給還不能完全滿足需求，水質狀況沒有得到根本性的改善，水土流失還很嚴重，水旱災害發生的頻率比較高。針對重慶市水資源利用的現狀，本文提出：應加強對水資源持續利用的認識；改革目前重慶市的水管理體制，嘗試水務局管理體制，相應加強水的法規和制度建設，實現需水管理，建立節水型社會；根據實際情況，加強水利建設，實現水的供需平衡；依據「控源導流」的思想控制水污染，實現清潔生產；治理水土流失，保護水環境；建設防洪減災體系。
  2. Finally, this thesis discussed these following questions : first, the algorithm of used the error image for improving the purpose of the edge detection. secondly, we have transformed the solved question of the first and the second directional derivative to frequency domain and founded they have a single formulae in frequency domain. thirdly, we have described the singular signal and the noise by using the correlations of the neighbor data after wavelet transform

    最後，在傳統的邊緣檢測演算法和小波分析的邊緣檢測演算法之外，對以下幾個方面也進行了一些討論： 1 ）利用誤差圖像來提高邊緣檢測效果的演算法； 2 ）將求解任意方向的一階、二階方向導數的問題轉換到頻域中去求解，發現在頻域中它們具有簡單易用的公式，使得原來求解任意方向的一階、二階導數的比較困難的問題變得容易實現了。
  3. The promotion of industry development, the apparent employment function and service function of tertiary industry are the reasons why tertiary industry has more and more driving function to urbanization. the driving function of urbanization to tertiary industry is becoming apparent because of agglomeration effect of urbanization and the agglomeration characteristic of need for tertiary industry. the cities " agglomeration scale affect the need scale and structure for tertiary industry, thereby affect the scale and structure of tertiary industry

    第三產業需求的集聚性和高的收入彈性以及工業化集聚的經濟特性解釋了第三產業是到工業化發展到一定階段后成為城市化主導動力；經濟結構的進化與第三產業強大的就業效應、服務效應是城市化對第三產業依賴性日益增強的三個主要因素，城市化的集聚效應以及第三產業需求的集聚特性使得城市化對第三產業發展動力作用也日益明顯；城市的集聚規模影響第三產業的需求規模和結構，從而影響第三產業的規模與結構。
  4. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于曲線坐標系下的拋物化穩定性方程，文中發展了求解的高效數值方法:引進法向變換，使得在臨界層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含邊界鄰域在內的完全四階精度的法向有限差分格式，這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式，大大加速收斂並得到更精確的特徵值。
  5. ( 2 ) on the one hand because lacks the concrete working instruction which cause the state department fail to supervise judicial department ' s behavior, on the other hand the judicial department specially in local judicial department resists the state department ' s surveillance at the excuse of law independence ( 3 ) in the view of present judicial department ' s management system, organizations, the working routine and the personnel composes, our legal system also has many problems. according to the request from the party to rule a nation by law at fifteenth national congress, the judicial reform should be considered from following aspects. first, the goal judicial reform is to strengthen judicial independence fatherly ; secondly, judicial authority must by emphasized during the judicial reform ; thirdly, judicial unity must be strengthened ; fourthly, consummates the way and procedure of trial ; fifthly, establishes a specialized judicial system, diligently improves judge ' s troop quality roundly

    我國現行的司法制度是在政治上奉行「以階級斗爭為綱」 ，在經濟上實行高度集權的計劃經濟的特定歷史條件下逐步建立和發展起來的，主要存在三大弊端： （一）從司法機關與其他國家機關或組織的關繫上看，司法機關在人、財、物等方面受制於其他國家機關和組織，特別是由於地方司法機關受制於地方政府、地方權力機關和地方黨委，由此導致了司法權的地方化； （二）從對司法機關進行制約與監督的機制上看，一方面由於缺乏具體的操作規程致使根據黨的十五大提出的「依法治國」的要求，司法改革應從以下幾方面考慮:第一，司法改革的目標是進一步增強司法的獨立性;第二，司法改革應當強調司法的權威性;第三，應當強化司法的統一性;第四，完善審判方式和程序;第五，建立法律職業的專業化制度，努力提高法官的整體隊伍素質。
  6. With argumentation system and differential system, gnss is capable of supporting en route flight and cat iii precision approach. this system can meet the need of all flight phases in terms of integrity, precision and continuity. with the application of area navigation and required navigation performance ( rnp ), this would make the parallel route, random route and direct flight route possible, and also improves the efficiency of air space and the flight safety

    在導航系統中，全球衛星導航系統是其主要成分，通過增強系統和差分技術， gnss具有支持從航路飛行到類精密進近的能力，在完好性、精度、可用性、連續性上都可以滿足飛行各階段的要求；隨著區域導航和所需導航性能的實施，平行航路、隨機航路和起點和終點之間的大圓航線直飛得以實現，提高了空域利用率和飛行安全。
  7. 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。
  8. The way of system alteration is to establish a complete collective property right system and to choose a suitable organization form. the most suitable organization form at present is mainly the limited liability company, which should be carried out from the top to the bottom. the creative value of this paper lies in its view that the lese system alteration at present should be mainly in the form of the limited - liability company

    本文得出了以下的結論： （ 1 ）勞服企業公司制改造必須以產權理論、公司治理理論為指導，解決為什麼要改、如何改這樣的最根本問題； （ 2 ）勞服企業改制的目的是建立適應市場經濟要求的企業運行機制，提高企業競爭力，保證企業可持續發展； （ 3 ）改制的途徑是建立完善的集體企業產權制度，選擇適當的公司制組織形式，現階段以有限責任公司為主要組織形式，並自上而下的進行。
  9. On our role we have a total of thirty - five employees. our company has departments, management and production. our company s goal is to manufacture technologically products of high quality and reliability

    為配合客戶及市場，品質成本交期需求導向，先期階段投入高精密度的生產設備與量測儀器同步導入生產之每個工程。
  10. 4. the algorithm solving an optimal control problem governed by a semilinear parabolic equation with the control in the coefficients and source term is studied. the strong variational method which presented by mayne to solve the optimal control of lump parameter system is developed to semilinear parabolic optimal control problem

    4 、把由mayne等所提出的用於求解集中參數系統最優控制的強變分法，推廣應用於一類控制變量含于高階導數項系數與源項中半線性拋物型系統最優控制之中。
  11. In this dissertation, the numerical computation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory, method and the application technique, based on analyzing the situation of the home and abroad on the numerical computation for the acoustic radiation problem. the calculation formulas of the boundary element method ( bem ) for the exterior acoustic radiation problem in the full - space and half - space are deduced, based on the wave propagation theorem ; the arising of the non - unique solutions, which is associated with the application of the boundary integral equation ( bie ) in acoustic radiation problem, is analyzed and proofed ; the improved combined helmholtz integral equation formulation ( ichief ) is presented to overcome the non - uniqueness problem more effectively and reliably ; the determination of the singular integral coefficients on various occasions is analyzed ; the properties and treatments of the singular integrals with different orders axe studied ; the computation program of the cubic spline ichief is developed and its ability to overcome the non - uniqueness problem and feasibility to discrete the surface coarsely with the sufficient calculation precision are examined through examples

    第二章在聲波動理論基礎上，詳細地推導出對應于無限域和半無限域的外部振動聲輻射問題的邊界積分方程計算公式；根據fredholm積分理論，對利用邊界積分方程計算振動聲輻射問題過程中解的非唯一性的產生進行了分析和證明；改進了chief法以提高其克服解的非唯一性的有效性和可靠性；對不同條件下奇性系數的計算、強奇性積分的收斂性及其在變量替換時與普通積分的差異性、不同階奇性積分的計算、數值求積分等進行了研究；開發了三次樣條改進chief法計算軟體，並通過算例考核了該方法在特徵波數處克服解的非唯一性的有效性和在保證計算精度的前提下實現剖分粗化以提高計算效率的可行性。
  12. This paper summarizes the distribution law and basic features of karst caves in zhejiang province, gives a brief introduction to the specific characteristics of 8 main karst caves, and maintains that scientific tourism is the only way for the sustainable development of tourist industry of karst cave scene : exploitation of karst caves tourist resources is still in the primary stage ; individual and combinative characteristics of every karst cave scene must be made prominent ; leaders of government at different levels as well as people in charge of karst cave scene should lay stress not only on economic benefit but also on societal benefit ; main operation stags of scientific tourism ; requirement of improving tourism taste will further development of tourism resources of karst cave

    摘要對浙江省巖溶洞穴的分佈規律與基本特徵進行了總結與概括，並就浙江省8個主要溶洞的個性特徵作了簡要的介紹，最後提出並論述了倡導科學旅遊是溶洞旅遊業可持續發展的必由之路：溶洞旅遊資源的開發目前仍處于初級階段；要突出每個溶洞景區的個性及其組合特點；各級黨政領導與溶洞景區負責人不僅要重視經濟效益，也要重視社會效益；科學旅遊的主要操作步驟；遊客對旅遊品位要求的提高也將進一步促進溶洞旅遊資源的深入開發。
  13. The fourth - order compact difference schemes with high resolution are applied to discretize the space derivatives, and a low - storage fourth - order explicit runge - kutta scheme is used in time marching

    文中採用具有高解析度的4階精度的緊致差分格式離散空間導數，同時，時間步進採用低存儲量要求的4階顯式runge - kutta格式。
  14. Based on the detailed investigate on the work of direction to take up an occupation and the valuable experience of many universities and institutes, we bring forward a suit of evaluation indexes for the work of university graduate " s employment, such as the wish of graduates for employment, the employer " s requirement, the rate of the employment obtained, the rate of supply and requirement, the rate of wishes and requirement, the degree of individual satisfaction, the degree of colony satisfaction and the degree of wishes altered, etc. these indexes can reflect the trend of the graduate " s notion for job choice and the requirement from the society, the state of the graduate " s employment with different major and so on. so these indexes are useful for the direction. using the modern computer and database technologies and obeying the rule of software energy, we have developed the management system for university graduates " employments and this software meets the requirement of scientific and high efficiency management

    本文在對高校畢業生就業工作進行詳細的調研基礎上，匯集了多所大專院校畢業生就業分配工作的寶貴經驗，提出了一套高校畢業生就業工作評估指標，如畢業生擇業願望、用人單位需求、一次就業率、供需比、願需比、個體滿意度、群體滿意度以及擇業願望調整度等多項指標，由這些指標，可以反映出畢業；生就業觀念和社會需求的變化趨勢，及各專業的就業情況、畢業生擇業願望與社會需求的符合度等等，從而為高校畢業生就業工作提供指導，並且利用現代計算機和數據庫技術，嚴格按照軟體工程的方法，經過可行性研究與計劃、需求分析、設計、編程、測試以及運行維護等階段，研製出了一套高校畢業生就業信息管理軟體，很好地實現了高校畢業生就業工作的科學、高效管理。
  15. The second part brings forward a new ar - model - based arm detection method based on features of arm and characteristics of velocity and acceleration of the radar echoes. by establishing two - order ar models, this new detection method computes the poles of models representing different targets, thus estimates the acceleration of the targets so as to determine the nature of the targets. furthermore, this method can not only be applied when the arm is being tracked by radar, but also be put into use in radar ’ s seeking and scanning times

    第二部分則是根據反輻射導彈（ arm ）的特點及其雷達回波信號中速度、加速度等特徵，提出了一種新的基於ar模型的arm檢測演算法，該方法通過建立二階ar模型、估計代表不同目標的模型極點，並由此估算目標加速度來判斷目標性質，該方法不僅可以在雷達已跟蹤上arm后採用，而且適用於雷達搜索掃描時使用，模擬結果表明該方法具有解析度高，對雷達脈沖重復頻率（ pulserepetitionfrequency ， prf ）及積累脈沖數要求不高的特點，在低的prf及少的積累脈沖下，利用該方法仍可有效地識別檢測arm 。
  16. Firstly, the first eight singular point quantities are computed and conditions for infinity to be a center are deduced as well, then a system that bifurcates eight limit cycles in the neighborhood of infinity are constructed

    首先通過同胚變換將系統無窮遠點轉化成原點，然後求出該原點的前8奇點量，從而導出無窮遠點成為中心和最高階細焦點的條件，在此基礎上給出了五次多項式系統在無窮遠點分支出8個極限環的實例。
  17. This study introduces the energy consistent method ( ecm ), the ecm potential function, and the new formulae of vibrational force constants which are proposed by weiguo sun and hao feng [ 45, 46 ] recently. the ecm is applied to study the diatomic potential functions for some electronic ground states and excited states of gif, ch, bh, xeo, laf, 7lid, na7li, narb and krb molecules. the ecm potentials are compared with the experimental based rkr ( rydberg - klein - rees ) potentials, ipa ( inverted - perturbation - approach ) potentials, analytical morse potentials, and hms ( huxley - murrell - sorbie ) potentials

    本文詳細地介紹了孫衛國和馮灝運用二階微擾理論所導出的高階振動力常數的求解公式、能量自洽法（ energyconsistentmethod - ecm ） 、 ecm勢能函數的定義以及用能量自洽法計算穩定雙原子分子體系勢能函數的具體步驟，並將ecm方法推廣應用於cif 、 ch 、 bh 、 xeo 、 laf 、 ~ 7lid 、 na ~ 7li 、 narb和krb等九種異核雙原子分子的十二個電子基態和激發態的勢能函數。
  18. The fma need the high order hankel function, in chapter 3 the algorithm of calculating the high order hankel function of the second kind is discussed. because of the low effectivity and unsteadiness to use the recursive algorithm to calculate the high order hankel function of the second kind, the paper introduces a kind of new fast algorithm to solve the problem. the worked result indicates : the new fast algorithm is a kind of precise algorithm

    由於快速多極子法計算中要用到高階漢克爾函數，在第三章中，主要針對利用遞推演算法求解高階漢克爾函數時速度較慢和可能存在不穩定的問題，給出一種快速計算高階漢克爾函數方法，最後給出了用快速多極子法計算的四個導體柱體散射截面。
  19. Firstly, according to the characteristic that the doppler frequency shift signal can be approximated as a single sinusoid signal, the extended sinusoid signal retrieval ( pisarenko and esprit ) methods are presented and signal state and measurement formulations are developed, so the kalman filter recursive method is got. the brief introduction of low velocity moving target doppler frequency shift signal wigner - ville transformation and wavelet transformation expression are presented in this paper. secondly, because the clutter is gaussian distribution, cumement and high - order spectrum based methods are presented and the simulation results prove their good performance to suppress gaussian clutter in low velocity moving target doppler frequency shift signal processing

    一個方面是根據低速目標的多普勒信號可簡化為單一正弦波形式這一特點，得到了擴展的高斯色噪聲背景下的諧波恢復演算法，即高斯色噪聲中的pisarenko諧波恢復法和旋轉因子不變法（ esprit ） ；並推導了信號的狀態方程和觀測方程，進而得到基於卡爾曼濾波的遞推演算法對信號進行提取；本文還簡單的介紹了低速運動目標的多普勒頻移信號的wigner - ville變換與小波變換；另一個方面是針對雜波服從高斯分佈這一特點，提出了對接收信號求累積量和高階譜來對高斯雜波進行抑制。
  20. Mmi does n ' t consider the spatial information, we introduce two other mi based methods : derivation of mi and high - order mi. mmi computes the overlap area of two images

    由於最大互信息方法並沒有充分地考慮圖像的空間信息，本文研究了其它的基於互信息的方法：互信息求導法、高階互信息法等。
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