mathematical principle 中文意思是什麼

mathematical principle 解釋
數學原理
  • mathematical : adj 數學（上）的，數理的；嚴正的，精確的。 mathematical instruments 制圖儀器。 mathematical logic...
  • principle : n. 1. 原理，原則。2. 主義；政策；〈常 pl. 〉道義；節操。3. 本質，本體，根源；本原，源泉。4. 本性，本能；天然的性能；天賦的才能；動因，素因。5. 【化學】素，要素；精。
  1. This paper analyzes the groundwater discharging course using fluidics theory and combining quay structure construction ; sets up the method of fast drainage by the dint of pipeline and blind ditch of fragment stone ; and gives the computational mathematical model for quay drainage and calculation formula for drainage process according to the principle of conservation of mass and underground percolation, which have been applied for quay ' s stability design and calculation

    應用流體力學理論結合碼頭結構建設，分析了地下水排泄過程，藉助管道和碎塊石盲溝建立了港口碼頭快速排水與擋墻基床排水的方法；運用質量守恆定律和地下水滲流原理，建立了港口碼頭排水計算數學模型和排水過程計算公式，並用在了碼頭的穩定設計計算中。
  2. Galileo strongly fought against the traditional ideas of the aristotle ' s theories, and he formed the thought of identity, continuance and dialectical materialism in course of his scientific research. he had written the book dialogue concerning the two chief world systems - ptolemaic and copernican to refute the theory that the earth was static, and push the copernicus " revolution forward by protecting and advocating the cosmic principle of copernicus ; he get many scientific theories by making a thorough study of motion, so provided the materials need of which newton was ; he applied the scientific method firstly in history of science which combined mathematical inference with experience and observation organically, and entrusted modern meaning to some old - time methods, so advanced the development of scientific knowledge greatly and began the history of modern physics

    伽利略強烈反對亞里士多德式的傳統思維觀念，在長期深入的運動研究中發展了同一性和連續性思想，以及把物質性質劃分為兩類的機械唯物主義思想；他著書立說駁斥「地靜說」 ，捍衛和宣揚「地動日心」的宇宙結構，推動了「哥白尼革命」 ；他深入研究運動，獲得大量科學理論，為牛頓綜合提供了豐富的材料；他在科學史上首次使用數學演繹與觀察實驗有機結合的科學方法，並賦予一些古老研究方法以現代含義，大大推進了科學認識的發展，開創了現代物理學歷史。
  3. In chapter 4, the principle drawing of the system is presented after adding a constant - pressure - drop valve. the operating principal of the valve is briefly introduced. the static mathematical model is built up and study is carried out by means of simulation under the circumstance of matlab, then the static working point is obtained

    對定差減壓閥作了簡要的介紹，根據系統工作原理圖建立靜態數學模型進行模擬研究，由模擬結果分析系統靜態工作特性，得到靜態工作點；然後，建立系統動態模型，對其動態特性進行非線性模擬研究，並就環境因素變化對系統工作特性的影響作了詳細分析。
  4. At the end, basing on comparative model, using depth - first search strategy and special arithmetic in the principle of mathematical equipollence, ides can auto distinguish the subject after comparing key steps and answering steps of student

    基於比較模型，採用深度優先的控制策略，採用特定演算法，按照數學意義上等價的原則，對關鍵步驟和學生解答進行比較識別，從而實現自動批改功能。
  5. Inclusion and exclusion principle proved with mathematical induction

    一般容斥原理的數學歸納法證明
  6. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 ， and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速系統（ pwm ）和位置環構成的定位系統中，速度環的參數隨負載特性；電網電壓；給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 ， 2 .因此在設計位置環的離散滑模控制時，必須針對速度環（即位置環的控制對象）的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ，以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果，本文作了對比性研究，並將該設計方法用於工業試驗中，取得了滿意的結果
  7. The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations

    摘要通過分析一種分體式充氣可調阻尼減振器的結構和工作原理，運用流體力學理論，建立了該減振器阻尼特性的非線性參數化模型，模擬分析了活塞阻尼閥孔徑、阻尼調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構參數對減振器阻尼性能的影響，通過試驗測試，得到了減振器樣件的阻尼特性及其可調范圍。
  8. Studying mathematical principle of pearl game we can know when it is an advantageous situation and a disadvantageous situation and what the tactic to win the game is

    摘要運用數學原理研究珍珠游戲的不利位置和有利位置，從而得出珍珠游戲的應對策略。
  9. This thesis introduces the working principle, craftwork requirement, modeling process, control strategies and the realization of lf refining furnance bottom blowing argon control system. through the study and analysis of bottom blowing argon process control system, the thesis discusses the mean neural network model of controlled object and the mathematical models of the exectors, pwm adjustable pressure controller and pcm adjustable flux controller according to the relevant liquid knowledge and relevant data, including design data, test data and running data. to begin with the craftwork reguirement of bottom blowing argon and the actual instance of the control system, it presents the strategies of fuzzy parameters self - adaptive pid control used in pressure difference inner loop and fuzzy plus pi compound control used in flux outer loop which are based on the above modeling in order to carry out the accurate control of argon flux

    本文介紹了lf精煉爐底吹氬過程式控制制系統的工作原理、工藝要求、建模過程、控制策略以及控制系統的實現。通過對精煉爐底吹氬過程式控制制系統進行研究與分析，並根據流體力學的有關知識以及有關數據（其中包括設計數據、試驗數據和運行數據） ，建立起了被控對象的平均神經網路模型和執行機構（即pwm調壓器和pcm調流器）的數學模型。在此模型的基礎上，從底吹氬工藝要求和控制系統的實際情況出發，提出了壓差內環模糊參數自適應pid控制策略和流量外環模糊pi復合控制策略，以實現氬氣流量的精確控制。
  10. Firstly, the principle of gps kinematical carrier phase measurement positioning is introduced concisely. the mathematical mode of gps carrier phase measurement absolution positioning is discussed and provided. a way to obtain the difference between the true location and the estimated location is proposed

    論文首先介紹了gps動態載波相位測量定位原理，討論了動態載波相位測量絕對定位的數學模型，給出了一種求解接收機所在位置改正數的方法。
  11. This paper introduces the operation principle, structures and main characters of three - product dense medium cyclone, and the effect of its structural parameters on the results of coal separation, makes out the superiorities of the coal separation technology by way of 3nwx three - product dense medium cyclone with non - pressured feeding, at the last, points out that the further research should is to establish mathematical model for optimizing the structural parameters of three - product dense medium cyclone

    摘要介紹了三產品重介質旋流器的工作原理、結構、主要特點以及結構參數對選煤效果的影響，說明了3nwx型無壓給料三產品旋流器選煤技術的優越性，並指出今後應建立優化旋流器結構參數的數學模型。
  12. The signal format of gps is analyzed, the principle models and mathematical models are established, the ber performance is analyzed in a channel interfered with wide - bandwidth awgn, narrow - bandwidth awgn, transmitted signal, single - tone signal respectively. based on the results above interference methods are discussed and simulated. then the performance of code acquisition and code trace of a digital gps receiver are discussed. the modem of linkl 1 and link4a are modeled and their ber performances are analyzed and simulated in channel s interfered with awgn, single - tone signal and multi - tone signal respectively

    建立了jtids的收發終端的數學模型，分析它在噪聲干擾、相關干擾、互相關干擾下的誤碼性能，提出較佳的干擾方法和干擾碼型，並進行模擬模擬；分析了gps的信號格式，建立了gps的原理框圖模型、信號數學模型，並對其在寬帶噪聲干擾、窄帶噪聲干擾、轉發干擾、單頻干擾等情形下的誤碼性能進行了分析比較，提出相對較佳的干擾方法，並做了計算機模擬，針對一數字式gps接收機中擴頻碼捕獲與跟蹤環的特性進行分析；建立了link11和link4a數據鏈調制解調數學模型，對它們在噪聲干擾、單音干擾、多音干擾等下的誤碼性能進行分析，最後對干擾情況進行了模擬模擬。
  13. This paper introduces the working principle and controlled methods of the permanent magnet synchronization servo motor ( pmsm ), builds the mathematical model of the pmsm and analyzes the pump controlled cylinder subsystem and builds the mathematical model of it

    本文建立了永磁同步電動機的數學模型，分析了泵控缸液壓動力機構並對其建立了數學模型，進而建立了直驅式電液伺服系統數學模型。
  14. Through consulting lots of relevant references, present research of direct drive volume control hydraulic servo system is summarized in this paper, the principle and character of this system are expatiated, the principle of vector control is introduced. at the same time, the mathematical model of ac asynchronous motor is set up based on the vector control theory. the mathematical models of both the pump controlled motor and pump controlled cylinder are set up and simulated in this paper

    在查閱大量國內外相關文獻的基礎上，本文綜述了國內外對該系統研究概況，闡述了該類系統原理和特點;闡述了矢量控制的基本原理，並基於這一原理建立交流異步電動機的數學模型;分別建立了泵控馬達系統和泵控缸系統的數學模型，並給出了模擬分析;設計了用於泵控馬達系統的集成閥塊，加工了密閉壓力油罐;針對現有直驅式電液伺服裝置所存在的問題，本文主要針對系統工作過程中所產生的噪音與爬行問題進行了一定的研究。
  15. In this paper all kinds of fuel cell, the current research situation and working principle of proton exchange membrane fuel cell ( pemfc ) are outlined. mathematical models in relation to electrochemistry reaction and transfer process in direct methanol fuel cell ( dmfc ) are compared and analyzed. latest progress of membrane materials and instrument analysis technique in dmfc has also been described

    介紹了燃料電池的分類以及質子交換膜燃料電池（ pemfc ）的工作原理和研究現狀，並對直接甲醇燃料電池（ dmfc ）中有關電化學反應及傳遞過程的數學模型進行了比較和分析，描述了適用於dmfc的膜材料以及儀器分析技術的最新進展，認為直接甲醇燃料電池是目前較理想的燃料電池，有著廣闊的發展前景。
  16. Optimization design is an uptodate measure to seek the most perfect and optimum design proposal, and the mathematical principle of optimization had application in engineering design. it incorporate the speciality design theory, the optimization methods of mathematics and the computer art, accommodate a scientific design approach and a significant layout strategy for design engineering, and it can heihten design efficiency and advance designing quality. enginneering science must envisage economic construction, so it is beyond all doubt that the optimization design as the final approach of engineering development

    優化設計是把最優化數學原理應用於工程設計問題，在多個設計方案中尋找到盡可完善的或最適宜的設計方案的一種現代設計方法。優化設計集專業設計理論、數學最優方法和計算機技術於一體，為工程設計提供了一種重要的科學設計方法，能夠大大提高設計效率和設計質量。工程學科必須面向經濟建設，優化設計作為工程設計的最終目標是毫無疑義的。
  17. Then, in the second chapter, we generalize the mathematical principle of fractal image compression. in the third chapter, we introduce jacquin ' s fractal image compres - sion method and fisher ' s self - adapted quadtree image compression method

    第二章給出了分形壓縮編碼的數學原理和理論基礎。第三章介紹了jacquin的分形壓縮編碼方法和fisher的自適應四叉樹編碼方法。
  18. Being the import unit of the distribution automation system, the transformer terminal unit namely ttu, samples ac input ( such as voltage, current and so on ) and state ( for example : switch state ) and executes remote control command ( open operation or close operation ), ttu supervise the action of transformer, so it guarantee the security of das ( distribution automation system ) this paper is mainly based on the study of transformer terminal unit based on msp430f449 scm, the work of this paper includes : first, introduces the design of the hardware system and the software system of ttu, the core mathematical principle, and then, discusses the implementation of the communication protocol : iec870 - 5 - 101 and i2 c in detail

    配變監測終端ttu （ transformerterminalunit ）是配電自動化系統中的重要部分，在系統中完成採集模擬量（電壓、電流等）和狀態量（如開關狀態） ，以及執行遙控（開、合操作）操作等功能，實現對配電變壓器的實時監測，保障配電系統的可靠運行。本文主要研究了基於msp430f449單片機的配電監測終端的實現，較詳細地介紹了系統的硬體設計、軟體設計、核心演算法，介紹了通訊規約iec870 - 5 - 101和i ~ 2c的實現。
  19. Mathematical principle of modern information retrieval model and evaluation to it

    現代情報檢索模型的數學原理與評價
  20. But no mathematical principle forces the extra dimensions to fold in a unique way

    然而卻沒有任何數學原理能讓額外維度依循固定的方式來摺疊。
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