激波形狀 的英文怎麼說
中文拼音 [jībōxíngzhuàng]
激波形狀
英文
locus of shock wave-
In the present dissertation, friction - induced noises emitted by a flat specimen rubbing against another flat specimen or a ball specimen under reciprocating sliding are studied. the detailed observation of the scars is conducted by means of a scanning electrical microscope ( sem ), laser scanning microscope ( lsm ), optical microscope and profilometer. the dynamic state variables are analyzed in detail using the discrete wavelet transform
使用電子掃描顯微鏡（ sem ） 、激光掃描顯微鏡（ lsm ） 、光學顯微鏡和表面輪廓測量儀等設備對摩擦噪聲發生的區域進行了詳細的觀察和分析，運用小波變換技術對摩擦噪聲狀態下的動力學變量進行了深層次的研究，應用matlab simulink語言對摩擦系統進行了振動動力學模擬，系統地研究了摩擦噪聲的形成機理。In this paper, firstly, the mechanism of laser plasma shock wave ' s form, the basic formula of the theory of shock wave, the state equation of the shock wave in the water and the relation of the parameters of the shock front are studied
本文首先討論了激光等離子體沖擊波的形成機理、沖擊波理論的基本關系式、水中沖擊波的狀態方程模型以及沖擊波波前參數的關系。The light guiding unit on the surface is composed of sub - micron gratings whose transmission wavelengths are red, green and blue in order. the light source are red 、 green 、 blue led or semiconductor laser array. to enhance the light utilization, the surfaces of light guide plate except the incident and transmitted surfaces are coated with metallic film
本文設計的亞微米光柵型導光板為矩形狀的，導光板上表面的導光單元是由三套出射光主波長分別是紅光632 . 8nm ，綠光521nm ，藍光441 . 6nm的亞微米光柵組成，光源採用的是紅、綠、藍三色發光二級管或者半導體激光器陣列，為了提高光能利用率，除入光面和出光面外，導光板其餘面都鍍上金屬膜。In this dissertation, the pulse jet style, the influence on the shock wave, the flow in the tube and the cooling effect was deeply studied theoretically and experimentally. the influence of the pulse jet style on the forming of shock wave and the shock wave intensity was explored. the initial disconnection style in oscillating tube vented and the initial disconnection breakdown was proposed by different pulse jet style
本文對脈動射流的型式及其對激波、管內流動及冷效應的影響進行了較系統的理論和實驗研究，主要包括:探討了脈動射流的型式對形成管內激波形成及激波強度的影響，給出了不同脈動射流的型式下振蕩管開口端初始間斷的類型，對初始間斷進行了分解，導出了包含進氣、排氣參數及工質物性參數的管內入射激波馬赫數mj的表達式，給出了管內激波形成的三種原因及其所對應的脈動射流型式和具體的工作狀態。Numerical simulations were done to show the distortion of the wavefront and the interference pattern under several kinds of typical plasma density distributions. the ray path in plasma was calculated by the numerical solution of the vector equation of light ray, when the plasma density was closing to the critical electron density of the laser frequency. through the simulations, the factors that influence the measurement were found out under different density distributions and shapes of plasma
在此基礎上，採用數值模擬的方法，計算了在幾種典型的等離子體密度分佈下，激光波面的變化和產生的干涉圖樣；並用光線矢量微分方程的數值解法計算了當等離子體密度接近光頻臨界電子密度時，光線在等離子體中的傳播路徑，從中掌握了在不同的等離子體密度和形狀下，進行干涉測量所應估計到的因素。Secondly, we propose and demonstrate experimentally a novel multi - wavelength erbium - doped fiber ring laser by using a mach - zehnder fiber interferometer and composite cavity. as a result, simultaneous multi - wavelength oscillations with narrow linewidth and equal wavelength span are obtained in room temperature. this device has advantageous of simple design fabrication and low cost et al
進一步，我們設計了一種新穎的多波長摻鉺光纖環形激光器，這種激光器是利用mach - zenhder （ m - z ）光纖型干涉儀作為梳狀濾波器，並且與復合腔共同選頻，獲得了窄線寬、等間隔的多波長同時輸出，這種激光器具有在常溫工作，結構簡單，成本低等優點。This dissertation has studied the structural model and model predictive control ( mpc ) algorithm that was first implemented for the structural vibration control of the tall building under earthquake excitation. based on analyzing structural motion equation and the state space form equation of the earthquake - excited structural model of the tall building, predictive model and control objective functions are defined and the mpc system of the tall building is set up
本文主要研究高層建築結構振動控制的結構模型和預測控制演算法，首次將預測控制應用到高層建築結構地震反應控制中，在分析受地震波激勵的高層建築結構模型的運動方程及其狀態空間形式方程的基礎上，確定預測模型和控制目標函數，建立高層建築結構預測控制系統，從理論上對預測控制在高層建築結構振動控制中的應用進行研究。The second part emphatically analyzes the operating ideas and marketing modes of two famous education companies in the world - - - apollo education group and mckinsey corporation, to use for reference. in the third part, i analyzes the current operating situation of chengdu hengzhi education corp. ltd., points out the problems and difficulties which it faces in the fierce market competition, analyzes the microcosmic environment which it is under through tools like swot, and determines its marketing strategies. the forth part is the core of this paper, in which the special marketing mode - - - linking the production character with the service cha racter of education is set up, using the marketing modes of apollo and mckinsey for reference and combining the current environment and consumer ' s demand this paper systematically constructs the marketing strategy of hengzhi education corp. ltd. and sets up the marketing mode for the training trade which is suitable for the west region in china
本論文共包括四個部分，其中第一部分對培訓行業所處的國際國內環境進行了描述和分析，包括國外教育產業化的發展進程、教育產業目前的主要體現形式、國內教育行業的現狀及發展趨勢等；第二部分著重分析了全球最知名的兩個教育公司? ?阿波羅教育集團和麥肯錫公司? ?各自的經營理念和營銷模式，以資借鑒；在第三部分中，我對成都恆知教育公司的運行現狀進行了分析，並指出其在激烈的市場競爭中遇到的問題和阻礙，同時通過swot分析等工具對恆知公司所處的微觀環境進行了分析，確定了公司的營銷戰略選擇；第四部分是這篇論文的核心部分，通過對阿波羅和麥肯錫兩家公司營銷模式的借鑒，結合公司所處的環境及客戶的需求，建立了將教育的產品性和服務性相結合的特有的營銷模式。The semiclassical interpretation describes three processes of hhg very visually, but it does n ' t give the details. lewenstein theory explains the position of cut - off by using a quantized method. in chapter three the pulse - shape effects of laser - atom interaction system are discussed
在第三章中，我們討論了激光-原子相互作用體系的脈沖形狀效應，發現氫原子的電離率大小和高次諧波特徵都與所加的激光脈山東師范大學碩士學位論文摘要一沖形狀有密切關系。In this paper, a three - dimensional ( 3d ) program for the three - dimensional reactive flow fields of complicated geometric nozzle, which governed by the compressible full navier - stokes equations with realizable k - s turbulent model, has been upbuilt by using full implicit couple arithmetic and fvm ( finite volume method ) based on understanding and assimilation of a two - dimensional program group of cr ( chamber - radon ). the new program fulfils the urgent need of numerical tools for simulating three - dimensional reactive flow - fields of hylte ( hypersonic low temperature ) and other latest nozzles, for which cr is out of action in simulation, and can be applied to simulate other chemical laser system, such as chemical oxygen iodine laser ( coil ), overtone fluoride hydrogen, all - gas iodine laser, and so on. furthermore, some related topics about nozzles design and engineer ing also have been discussed
本文在二維cr （ chamber ? radon ）程序研究的基礎上，採用有限體積方法和完全隱式的耦合演算法，通過求解帶realizablek -兩方程湍流模型的多組分、有反應的三維完全納維埃?斯托克斯（ n ? s ）控制方程，建立了一套能夠對復雜形狀的三維噴管和光腔進行數值模擬的三維程序，解決了連續波df hf化學激光器增益發生器設計缺乏三維數值模擬工具的問題，並用該工具解決了cr程序無法實現的hylte等復雜三維噴管流場的理論模擬問題。This paper begins with the introduction of research findings about related payment and stimulation theories at home and abroad, analyze the essence of payment administration, the function of payment system design, and the factors which affect the design, and explain the shaping and development process of the old payment system of ningbo vocational & technological college. at the base of the above, from the angle of the college ' s development strategy, with the application of the latest theoretic findings, following the principles of fairness, competitiveness, stimulation and the economic rules of payment design, the paper mainly redesign the structure salary, meanwhile explore the annual payment system by adopting the mixed methods of quality and quantity
本文從介紹國內外相關工資理論和激勵理論的研究成果入手，通過對薪酬管理的實質、薪酬體系設計的作用、影響薪酬設計的因素分析，在對寧波職業技術學院舊有薪酬體系的發展、形成過程及現狀剖析的基礎上，站在學院發展的戰略高度，遵循薪酬設計的公平性、競爭性、激勵性及經濟性原則，運用目前國內外最新理論成果，採用定性與定量相結合的方法，重點對結構工資進行再設計，同時對年薪制加以探討。The configuration of the diffuser should be designed as a channel to allow the main flow pass through a shock train
擴壓段的形狀應設計成能使主氣流通過系列斜激波串減速的通道。A laser diode with 976nm center wavelength and 2. 03w maximum cw output power is pumping unidirectionally through the couple - imaging system on a double - clad yb - doped silica fiber with a yb - concentration 0. 65 mol % circular inner core, a d - shaped inner clad, and 15m length by f - b cavity. the center wavelength of the fiber laser is 1130nm, and the maximum cw output power is 130. 7mw. an optical - to - optical conversion efficiency of 42 % and a slope efficiency of 63. 4 % are obtained
用中心波長976nm 、最大連續輸出功率為2 . 03w的ld泵浦源，通過成像耦合系統，單端直腔式泵浦纖芯摻雜濃度為0 . 65mol % 、內包層截面形狀為d形、長度為15米的雙包層摻鐿石英光纖，實現了中心波長1130nm 、最大功率為130 . 7mw的連續激光輸出，光纖激光器的光光效率為42 . 0 % ，斜效率達到63 . 4 % 。We studied the effects of pulse - shape, an additional static electric field and different initial states on ionization probability and hhg. we did so by representing the results of a series of numerical experiments on a one - dimensional model hydrogen atom
本文將採用數值計演算法來求解含時schrodinger方程，研究在一維氫原子模型中，外加的平行靜電場，不同形狀的激光脈沖以及原子處于不同初始態對諧波譜線和電離率的影響。分享友人