聯立差分方程 的英文怎麼說

中文拼音 [liánchāfēnfāngchéng]
聯立差分方程 英文
simultaneous difference equations
  • : Ⅰ動詞(聯結; 聯合) unite; join Ⅱ名詞(對聯) antithetical couplet
  • : 動1 (站) stand; remain in an erect position 2 (使豎立; 使物件的上端向上) erect; stand; set up...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  1. This essay is trying to use methods of systems analysis to compare and analyse ris in guangdong and guangxi. it contracts the present situation and features of ris in the development of regional economy. thus, we will truly understand, establish and improve ris, promote cooperation and combination of economy and technology between two provinces and realize the linking economic development in guangdong and guangxi, which it has not only the historical necessity, but also the great importance for guangxi to carry out the " develop - the - west " strategy, realize complementing each other, shorten the gaps between two provinces and push the process of economic integration in two provinces forward

    本文試圖運用系統法對兩廣(廣東、廣西)區域創新系統進行比較析,對比發達地區和欠發達地區的區域創新系統現狀和特點及區域創新系統對區域經濟發展的影響,以此真正理解,建和完善區域創新系統,促進兩廣開展經濟技術協作與合,實現兩地經濟動發展,不僅具有歷史的必然性,而且對于廣西實施西部大開發戰略,實現優勢互補,縮小兩廣發展的距,推動兩廣經濟一體化進,具有極為重要的作用。
  2. The paper presents the form of sins / odometer ( od ) / global position system ( gps ) integrated navigation system based on sins. state and observation equations are established for kalman filter. the simulation result shows that the integrated navigation system can reduce navigation error when using the feedback calibration method

    對捷慣導系統、里儀( od )和全球定位系統( gps )誤進行了析,建了以捷慣導系統為主的用於卡爾曼濾波的系統和觀測,給出了車載組合導航系統的散式濾波組合案。
  3. The article has researched the intention of agricultural industrialization which is guided by market and mainstay enterprises, based on agricultural product base organized by a lot of families, and characterized by joint management and mutual benefit. it also realized production specialization, product commercialization, service socialization and etc. the article has also researched the existing conditions of agricultural industrialization both at home and abroad. although it is different in national conditions and actual practice, the developed countries follows the market economic law and naturally steps on the road of agricultural industrialization. as the continuous reforming and opening up, china actively explores and enhances the management level of agricultural industrialization. the writer uses system changing theory, scale management theory, trade expense theory. market system theory and industrial economics theory, to put forward the main type of mainstay enterprises, which is divided by ownership, organization form, contact form and product. the writer thinks that development of mainstay enterprises can promote effective joining between small production and big market, the developing of high - benefit agriculture, establishing trade / industry / agriculture operation system, region economics and joining process between urban area and rural area. the existing conditions in strengthening the mainstay enterprises in zhaoyuan embodies continuous expanding in scale. continuous widening in fields, continuous enhancing in benefits, continuous improving in techology and quality. by finding the problem and shortage in product quality, developing ability and scale strength, the article has put forward the following views : face to market and enhance quality and techological content of agricultural products ; enforce flexible policy and investments ; establish fair and reasonable benefits joining system. the article has also put forward the countermeasures and suggestions on enhancing the enterprises ' management level

    文章研究了農業產業化經營的內涵,明確其以市場為導向、以龍頭企業為依託、以一大批農戶組成的農產品生產基地為基礎,形成農工商有機結合、風險共擔、利益均沾的本質特點,表現出生產專業化、經營一體化、企業規模化、產品商品化、服務社會化等特徵。析了國內外產業化經營的現狀,認為盡管各國的國情不同,具體的做法和叫法不盡相同,但是經濟發達國家都遵循市場經濟規律,很自然走上了農業產業化經營的道路,發展中國家紛紛仿效,中國也隨著改革開放不斷深入,積極探索發展提高農業產業化經營水平。作者運用制度變遷理論、規模經營理論、交易費用理論、市場機制理論和產業經濟學理論,提出了龍頭企業從所有制形式、從組織形式、從式及從產品上劃的主要類型;認為發展龍頭企業有促進小生產與大市場的有效對接、推動優質高效農業縱深發展、建貿工農一體化運行機制、振興區域經濟、加速城鄉一體化進等作用;考察了招遠市壯大龍頭企業推進農業產業化的現狀,表現在規模不斷擴大、領域不斷拓寬、效益不斷提高、技術不斷改進、質量不斷提高等面;找出了龍頭企業產品質量上、開發能力上、規模實力上和行業自律上的問題和距,提出了要面向市場,努力提高農產品的質量和科技含量,多策並舉,搞活投入機制,建公平合理的利益結機制,加強行業自律,提高企業經營管理水平等對策和建議。
  4. This paper employs differentiation transformation and the method of differentiating completely homogeneous coordinate transformation to set up errors equations group, the discussion of the errors of double - triangle pkm is conducted

    本論文應用微變換和齊次坐標變換的全微組,討論了雙三角形並機構的位姿誤佈。
  5. The two key factors, machining methods and machine - setting parameters of sbg, which are related with the generation of theoretical tooth surface and topographic deviation for sbg, are analyzed in details. after building the machine - tool mathematical model and computing the tooth surface parameters, using the given conditions and mesh equation, the coordinates of the theoretical tooth surface of sbg can be computed, and, then, the theoretical tooth surface model of sbg is derived

    本文詳細地析了形成螺旋錐齒輪理論齒面及產生拓撲誤的兩個關鍵因素,即螺旋錐齒輪的切齒加工法和機床調整參數;通過建機床數學模型,計算齒面參數,用已知條件和嚙合進行合求解,得出了理論齒面的坐標值,從而獲得了螺旋錐齒輪的理論齒面模型。
  6. In the course of design, we fully consider the actual conditions on the railway and take a series of corresponding measures to the concrete problem. such as we select high - accuracy microconvertor and have the converted function in succession data collecting system chip aduc812, design v / f circuit and external a / d circuit. in anti - interference of the hardware, we try to disperse each function module to avoid interfering each other, adopt photoelectric isolated technology to dispel the circuit connection of input and output. in controlling we import arithmetic mean into strain wave algorithm and real computing technology of virtual value for sample treatment of data, that is using the software to smooth away interfere error and to calculate actual value, thus it makes the precision of the data improve greatly

    在設計過中,根據系統要求,充考慮鐵路上的實際情況,針對具體問題採取了一系列的相應措施,如在器件選擇面選用高精度microconvertor系列、具有adcdma連續轉換功能的數據採集微控制器晶元aduc812 ,設計了v f變換電路和外部a d轉換電路;在硬體抗干擾面,將每個功能模塊盡量散獨開來以避免相互干擾、採用光電隔離技術消除輸入輸出通道上的電路系;在控制面對于采樣數據的處理引入了算術平均值濾波演算法和真有效值的計算法,即通過使用軟體來濾除系統中有干擾造成的誤並計算真值,從而使數據的準確性得到極大地提高。
  7. Full quanta theory was used in analysis the working principle of laser, educed the photon states of single pattern radiate in two energy - step system, and simulated the establishment of laser mode and statistical distribute of photon. according to elf consistent equations of rlg ; build the simulated program with labwindows / cvi and do some simulation experiments, the result of simulation matched the theory perfect perfectly and conform to the experiments, the locked - in and pattern competition coursed the periodic light intensity

    在激光陀螺自洽場組的基礎上,運用labwindows / cvi軟體建了靈活便的激光陀螺模擬平臺,並進行模擬試驗,模擬試驗結果與理論析很好的相符合,且能夠較好地說明陀螺試驗現象,即在閉鎖閾值附近,由於閉鎖效應和模競爭相互影響,使得激光腔中兩行波相互關,光強隨時間呈周期性變化。
  8. This paper stated the application of parallel link mechanism in modern machine tools, set up the error analysis as to parallel link mechanism in the virtucal - axis machine tool, derived the double triangular error equations of parallel link mechanicsm in its horizontal posture, analyzed the linearity and non - singularity of the error equations, thus giving the normal splution to the horizontal posture error. the error distribution law is simulated as to the center line in the workplace, and the error distribution curves are drawn as well

    該文對並機構在現代機床上的應用作了論述,建了虛擬軸機床並機構的一種誤法,應用坐標變換原理導出了雙三角並機構水平姿態時的誤組;析了誤組的線性和非奇異性,給出了水平姿態時的位姿誤正解;對工作空間中心線的誤佈規律進行了模擬,繪制了其誤佈曲線。
  9. According to the inverse solutions of 3 - tpt translational parallel robot mechanisms, in which both the base and the mobile platform are triangle and similar to each other, for the error of the mobile platform center denoted by modulus of error vector, the accuracy model of parallel robot mechanisms is established by the differentiation of the kinematic

    摘要針對具有相似平臺的3 - tpt型三維移動並機器人進行了研究,根據其位置反解,採用機器人微理論,以誤向量的范數表示動平臺中心點的誤,建了該機器人精度析的數學模型。
  10. In this paper, a 3d finite element analysis software ( fzfx3d ) was compiled to simulate the construction process of mass concrete structures constructed with sequence method. based on the practical project xiluodu arch dam, the dam ' s construction process was simulated by a small time step size, 0. 5 or 1 days. the environmental temperature change, hydration heat rise, artificial cooling, creep, volume deformatio

    運用laplace變換法將溫度的求解表示為只與空間坐標及澆築時間有關的函數,從而避免了用隱式法、有限元法求解時需求解的因而對測點選擇的依賴,也避免了顯式法求解穩定性受時間步長,測點間距大小限制的缺點,因而具有測點布置靈活的特點。
  11. By way of analysis of heat transfer process of the field - test model, the author formulated a 3 - dimensions heat transfer model which is correspondent to actual performance of buried pipe - in - pipe heat exchanger. coupled with field testing data, the short and long term operation features has been thoroughly analyzed by finite element solution and forward finite - difference analysis of the heat transfer differential equations of buried pipe - in - pipe heat exchanger. by interpreting regularity of continuous and intermittent operations of buried pipe - in - pipe heat exchanger, its heat transfer mechanism has been further explained in this thesis

    本文通過對試驗模型熱過的深入析,建了與實際地下埋管換熱器結構參數相吻合的三維傳熱數學模型,通過有限單元法和向前法求解相應微並對析結果進行關耦合,詳細析了埋管換熱器的短期和長期運行特性,對地源熱泵套管式埋管換熱器連續運行、間斷運行規律進行了解析,進一步弄清了埋管換熱器的傳熱規律。
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