three-wave theory 中文意思是什麼

three-wave theory 解釋
三波理論
  • three : n. 1. 三個人[東西]。2. 三歲，三時。3. 【板球】3字型。
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪；碎浪； 〈the wave（s）〉 〈詩〉海。2 波動；波狀...
  • theory : n. 1. 理論，學理，原理。2. 學說，論說 （opp. hypothesis）。3. 推測，揣度。4. 〈口語〉見解，意見。
  1. It consists of two parts : the first part ( chapter 2, 3, 4, 5 ) studies the characteristic of elastic waves and surface waves in orthotropic fluid - saturated porous media using biot ' s theory which is based on the substitutive model. in the second one ( chapter 6 ), a new three - dimensional meso - calculating model, which is more coincided with the inner action mechanism of porous media, is proposed. based on this model, the elastic wave propagation in fluid - saturated porous media under longitudinal impacting is discussed

    論文主要分為兩大部分：第一部分基於替代模型的biot理論，對各向異性介質中平面波以及表面波的傳播特性進行了研究；第二部分從細觀層次出發，提出了一個更加符合含液飽和多孔介質內部作用機理的三維細觀計算模型，並對縱向沖擊載荷作用下液飽和多孔介質中彈性波的傳播規律進行了討論。
  2. It has important theoretical meaning for reflecting the research of the interaction potential of nuclear force has important theoretical meanings in the framework of glauber theory and distorted wave impulse approximation ( dwia ), being spin - independent, inelastic scattering three low exciting states ( j * = 2 ~ ( + ), 4

    本工作的目的是藉助反質子-核散射來探索反核子-核子相互作用勢的最佳形式及相應的勢參數，對反映核力的相互作用勢的研究具有十分重要的理論意義。
  3. The main job of this research is : ( 1 ) analyze the operation situation of power system during faults ; pay attention to the traveling wave on the three - phase transmission line ; study the equation of voltage on three - phase transmission line with impedance capacitance coupling between phases ; contact the voltage on any point with the fault voltage, study the singularity of the voltage signal in fault point, and make it to be the base of the new fault detection method ; ( 2 ) apply the singularity detection theory based on wavelet analysis to the power system faults detection, give a complementary criterion to current fault detection criterion, study how to select the basic wavelet, how to filter noise, how to detect the singular point or fault point, and finally give a total solution. the simulations prove it to be a quick, correct and effective fault detection method

    本文的主要工作有： （ 1 ）分析電力系統在發生故障時的運行狀態，尤其對三相傳輸線上的故障行波進行了分析和研究，推導了考慮相間耦合的三相傳輸線電壓方程，並將傳輸線上任一點的電壓與故障點電壓建立起聯系，得出了傳輸線上電壓信號在故障點處的奇異性，並以此作為構造新的故障檢測演算法的理論基礎； （ 2 ）將基於小波變換的信號奇異性檢測理論運用於電力系統故障檢測中，針對目前相關研究的不足，提出了電力系統故障檢測判據的補充判據，通過對基本小波的選擇、除噪措施、信號奇異點也即故障點的檢測方法所作的分析，給出了一個可行的解決方案；模擬研究表明：這是一個快速、準確、有效的故障檢測演算法。
  4. This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based

    本文的研究工作重點在無縫焊接鋼軌溫度應力測量系統的理論模塊，包括根據snell原理，研究極限折射縱波的激發機理，並使用有限元軟體ansys進行模擬;根據聲彈性理論以及公式推導出計算無縫焊接鋼軌中的溫度應力的公式，並對其中參數的求解方法進行介紹;根據收集的資料，介紹了三種使用極限折射縱波測量無縫焊接鋼軌溫度應力的方法，即固定距離測量聲時法、臨界角折射法和頻譜分析法，本實驗系統使用的是第一種;根據實驗經驗以及相關資料，分析了影響極限折射縱波測量溫度應力的幾個因素，並提出了相應的解決方法;根據實驗系統的需要，獨立設計並加工出相關配套的實驗設備，包括實驗鋼塊、有機玻璃楔塊、固定件、載荷外框裝置等。
  5. Using the formula of taylor, the dissertation disperses the mathematics model as the classical form of wave - arithmetic and displays the spread process of heat. according to the principle of object - oriented theory combined with the sample method, the software is divided into three parts : pre - analysis groupware, analysis groupware and after - groupware

    在研究系統模擬技術的基礎上，以面向對象程序設計方法與原形法相結合的方法，將模擬系統劃分為前處理組件、求解器組件和后處理組件，以sun公司的java技術和java3d軟體包設計系統的應用程序。
  6. Therefore the dynamical characteristic is acted as detected parameter for fractured detection ( primary amplitude secondary frequence ). and the amplitude of mean sguare and central frequence are acted as evaluational parameter, based on the those studies, the new ideas is put forward that fractured azimuth is dected by lateral difference and fractured density is dected by vertical difference for three facters of fracture, wavelet acted as analysis tool and direction by wave field characteristic applied the multiple scale edge dectection and self - adaptive edge detection into the detection theory of seismic fractured azimuth, also put forward the wavelet different scale filter method of the fractured azimuth detection

    因而，確定了主要以振幅，其次是頻率的地震波動力學特徵作為裂縫檢測的被檢參數和均方振幅和中心頻率作為檢驗檢測結果正確與否的評價參數。在上述研究基礎上，針對裂縫的三要素，提出通過橫向求異檢測裂縫方位和縱向求異檢測裂縫密度的新思想。並以小波作為分析工具，以潛山波場特徵作指導，將數字圖像處理中的多尺度邊緣檢測和自適性邊緣檢測引用到地震裂縫方位檢測中來，並提出了小波變尺度濾波法新的裂縫方位檢測法。
  7. Based on the technical difficulties in data acquisition, processing and interpretation, especially the difficulties in acquisition stage, combined with the feasibility and present situation in acquisition technology research, started from wave propagation theory, this article studies the absorption and attenuation of the effective wave and gets three basic recognitions

    本文較全面分析了深層地震勘探枝術從資料採集、數據處理、資料解釋中存在的技術難點，突出了原始資料採集中的困難，結合開展深層地震勘探技術研究的可行性和發展現狀，從波的傳播規律入手，通過理論模型計算，研究了有效波傳播的吸收與衰減問題，取得了三點基本認識。
  8. In addition, in the article i m up the three foundations of wave theory. i make it clear that the technical analysis " worth in the investment " s practice and mentality. finally, i bring forvrard the fusion way of the technical analysis and the fundamental analysis - - - - the method of the trend " s forecast, namely, study the regulation of the big trend by the fundamental analysis and study the regulation of the small motion by the technical analysis

    此外，本文總結了波浪理論的三大基礎，明確了技術分析在實際投資中、心理上的存在價值；最後，本文提出了技術分析與基本分析融合的方式? ?趨勢預測法，其基本應用是：用基本分析研究大趨勢規律、用技術分析研究小波動規律，從而，為建立新的證券分析理論體系奠定了基礎。
  9. With respect to the three - dimensional xy model which attracts the most attention of our latter work ' s, we introduced the spin wave theory and the self - consistent mean - field theory applied in it

    對於我們研究工作的主要對象三維xy模型，介紹了自旋波和自洽平均場理論在其中的應用。
  10. Using three - dimensional finite element techniques, wave propagation theory, modals synthesis theory and numerical analysis methods, the vibration characteristics of steam turbine system are studied. according the structural features of practical blade discs, the 3 - d 8 - node element model is used because of its fitness to complex structures

    本文採用三維有限元技術、波傳播理論、接觸分析、預應力模態分析等數值分析方法，對汽輪機葉片?輪盤系統的振動特性進行了深入而較全面的分析研究。
  11. In view of that the plane wave theory is suitable only in lower frequency range, the three - dimensional finite element method is applied to analyze the acoustic characteristics of air cleaner in the present study for broadening the frequency range

    由於一維平面波理論只適于低頻分析，為了擴大分析的頻率范圍，採用了三維有限元數值方法分析空氣濾清器的聲學特性。
  12. The second section, firstly, we represent the retardation theory of single plate, discuss the shortcomings of it associated with mica wave - plate and quartz wave - plate. at the same time we make detailed theoretical deduce on two or three identical material composite wave - plate using theory of composite plate and jones matrix. finally we have a memo introduce about composite theory of varied material

    第二章首先介紹了單元波片相位延遲理論，並結合雲母波片和6英波片說明了單元波片存在的不足之處；然後利用復合波片理論和瓊斯矩陣的方法，分別對相同材料組合的二元和三元復合式波片進行了詳細的理論推導；最後扼要介紹了不同材料組合的基本理論。
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