波道層 的英文怎麼說
中文拼音 [bōdàocéng]
波道層
英文
ducting layer-
The ionosphere is a complex medium, which is aeolotropy, asymmetry, dispersive and changes randomly with time. in order to improve the communication quality of the shortwave that depends on the ionosphere, we should have aknowledge of the current condition of the ionosphere in real time. the backscatter sounding of high frequency can diagnose the real - time channel characters for shortwave communication or hf radar, which is great assistant to shortwave communication and hf radar
電離層是隨機時變，各向異性，非均勻、色散的復雜介質。為了保證依賴于電離層進行的短波通信質量，必須了解電離層的實時狀態信息。高頻返回散射探測可以實時監測與短波通信或高頻天波雷達相關的天波傳播通道的狀態，對短波通信和天波雷達工作起了重要的輔助作用。The various colours significant of various degrees of vitality white, yellow, crimson, vermilion, cinnabar : their degrees of brilliancy : their magnitudes revealed up to and including the 7th : their positions : the waggoner s star : walsingham way : the chariot of david : the annular cinctures of saturn : the condensation of spiral nebulae into suns : the interdependent gyrations of double suns : the independent synchronous discoveries of galileo, simon marius, piazzi, le verrier, herschel, galle : the systematisations attempted by bode and kepler of cubes of distances and squares of times of revolution : the almost infinite compressibility of hirsute comets and their vast elliptical egressive and reentrant orbits from perihelion to aphelion : the sidereal origin of meteoric stones : the libyan floods on mars about the period of the birth of the younger astroscopist : the annual recurrence of meteoric showers about the period of the feast of s. lawrence martyr, 10 august : the monthly recurrence known as the new moon with the old moon in her arms : the posited influence of celestial on human bodies : the appearance of a star 1st magnitude of exceeding brilliancy dominating by night and day a new luminous sun generated by the collision and amalgamation in incandescence of two nonluminous exsuns about the period of the birth of william shakespeare over delta in the recumbent neversetting constellation of cassiopeia and of a star 2nd magnitude of similar origin but lesser brilliancy which had appeared in and disappeared from the constellation of the corona septentrionalis about the period of the birth of leopold bloom and of other stars of presumably similar origin which had effectively or presumably appeared in and disappeared from the constellation of andromeda about the period of the birth of stephen dedalus, and in and from the constellation of auriga some years after the birth and death of rudolph bloom, junior, and in and from other constellations some years before or after the birth or death of other persons : the attendant phenomena of eclipses, solar and lunar, from immersion to emersion, abatement of wind, transit of shadow, taciturnity of winged creatures, emergence of nocturnal or crepuscular animals, persistence of infernal light, obscurity of terrestrial waters, pallor of human beings
顯示出不同程度之生命力的繽紛色彩白淺黃深紅朱紅銀朱諸星之亮度一直包括到七等星以等級標志的諸星之大小諸星的位置御夫座沃爾辛厄姆路172大衛的戰車173土星光環螺旋星雲凝固后形成有衛星的恆星群兩重大陽相互依存的旋轉運動伽利略西蒙馬里烏斯174皮亞175勒威耶赫歇耳加勒176等人各自獨立地同時所做的發現波得和開普勒所嘗試的距離的立方與回轉次數的平方的體系化177多毛的眾彗星178那幾殆無限的被壓縮性，以及自近日點至遠日點那廣漠的遠心的重返大氣層的橢圓軌道隕石的恆星之起源年紀較輕的天體觀測者誕生的那個時期火星上所出現的「暗波」現象179每年在聖勞倫斯節殉教者，八月十日前後降落的隕石雨每月都發生的所謂「新月抱舊月」現象180關于天體對人體的影響的假定威廉莎士比亞出生的時期，在斜倚卻永不沒落的仙后座那三角形上端，一顆不分晝夜散發著極亮光彩的星辰一等星出現了181這是兩個無光死滅了的太陽因相撞並汞合為白熱體而形成的燦爛的新太陽大約在利奧波德布盧姆出生時，出現在七星花冠星座里而後又消失了的一顆同一起源亮度卻稍遜的星宿二等星182還有約於斯蒂芬迪達勒斯出生時，出現在仙女座中之後又消失，小魯道爾夫布盧姆出生與夭折數年後出現于御夫座后又消失，以及另外一些人出生或去世前前後後出現在許許多多其他星座中而又消失了的假定是同一起源的實際存在或假定存在的星斗183 。Wavelet is extracted through statistic of some trace data, following the synthetic seismogram can be gained. finally the layer labeling can be realized
通過多道統計提取子波，合成人工記錄，實現層位標定，最終以可視化的形式顯示。The cost - effective survivable scheme in otn and key technology, primary path and protection path routing and wavelength assignment ( rwa ) are the topics in this thesis
本文的研究重點是有成本效益的光層保護方案與關鍵技術以及工作通道與保護通道的路由與波長分配問題。With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3
首先，分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理，結合包含損傷和應變率效應的材料動態本構方程，建立了纖維復合材料板彈道極限速度的預測公式；其次，根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點，建立了陶瓷/復合材料靶板抗彈性能分析模型，給出了彈道極限速度預測公式；最後，利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題，對雙層陶瓷復合靶板的優化設計進行了分析，給出了在一定面密度下的最佳優化系數，討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。After the storm move in shandong area, the moist downdrafts appears, the mgws apart from the thunderstorm and move faster, the mgws weaken gradually because absence of wave duct and energy supply
成熟階段的對流風暴，由於中高層潛熱釋放和濕下沉氣流進一步加強，波動傳播加快； mgws和對流風暴分離后，因無「波道」機制和波能供給，波幅逐漸減小。Spirited discussion from the floor ensued with people happily debating the moral lessons that harry potter imparts and the banning of the books by fundamentalist christians
活潑的討論從底層繼續的和人們快樂的辯論到道德上的課程，哈利波特所給與的意義和由基督徒的禁書。Seismic survey is a new method used to civil engineering area in recent years. it was widely applied to survey or detecting of roadbase, dam base, foundation of building, tunnel, river bed, lake bed and etc. the chief methods are reflection method, refraction method, wave velocity testing, surface ware survey and transverse wave suivey. seismic survey can divide different layer, measure the incidence of sediment stratum, detect the structure of rock, test the handle effect of surface wave survey, we can calculate the carrying capacity of foundation and other mechanical parameters. this technique can give service to some big engineering departments such as highway developing company, survey design company, water supply company, plan bureau, construct bureau etc
應用於工程的主要方法有反射波法折射波法波速測井面波法及橫波勘探等。地震勘探能詳細劃分地層高精度地確定沉積地層的傾角能夠準確探明巖體構造褶皺斷層破碎帶裂隙帶對于回填工程路基壩基，地震勘探可以檢測其回填處理效果對于隧道工程，可以探測隧道洞體的圍巖分類及洞口地質情況利用面波勘探所得到的瑞利波速度，可以準確推算地基的承載力動彈模量等力學參數。This thesis presents the studies of the physical layer of power line communications, which is an ofdm - based transmission system. it gives feasible algorithms, and primary implementation of some key modules is discussed as well
本文主要的研究對象使基於ofdm的電力線載波通信傳輸系統的物理層，對電力線載波通道進行了著重的分析，給出響應的估計演算法以及硬體實現模塊。The research results are controlled source which has linear or nonlinear variabe frequency scan function and the seismic instruments which match with it, and the method of small group intervals, small offset, much more channels, short array length, high - frequency receivers are applied during the link of data acquisition, and that the techniques of the refraction static correction, the noise suppressing, the high - resolution velocity analysis, the wavelet length compression, the wavelet zero - phase, and the prestack migration should be applied emphasizedly during the link of data processing and interpretation
研究表明，對于城市活斷層的抗干擾高解析度淺層地震勘探，在數據採集環節應採用具有線性或非線性變頻掃描功能的可控震源和與其相匹配的地震儀器，以及小道間距、小偏移距、多接收道、短排列和高頻檢波器接收的工作方法；在數據處理與解釋環節，要重視折射靜校正技術、噪聲壓制技術、高精度速度分析技術、子波壓縮技術、子波零相位化技術和疊前偏移技術等的應用。In the following chapters, a 16 - channel experimental phased array ultrasonic testing system is thoroughly explained, including digital beam forming, low noise programmable amplification of received ultrasound signal, multi - channel hi - speed hi - precision data acquisition, hi - speed real - time processing of multi - channel ultrasound signal, and hi - speed data transfer based on pci bus. in addition, the frame of software system is built
本文詳細闡述了作者所獨立研製的16通道相控陣超聲檢測實驗系統，包括數字化超聲發射/接收波束形成、超聲信號的低噪聲程式控制放大、多通道高速高精度數據採集、多通道超聲信號高速實時處理、基於pci總線的高速數據傳輸等全部電路模塊的結構及工作原理，並說明了所編寫的底層軟體系統的框架。The preferences are analyzed, pipe ’ s parameters such as depth, thickness, pipe diameter, and mechanical property of material ; soil parameters such as soil types, internal friction angle, pipe - soil interaction ; fault ’ s parameters such as fault types, fault throw, fault drop, fault - pipe angle, mechanical property of material ; load types such as gravity force, linear displacement load, seismic load and seismic wave. some conclusions are drawn from the calculating results : when buried pipes cross fault, pipe ’ s embedded depth should be shallow, and big pipe diameter and thick wall should be selected. avoid the site where fault moves severe, and select suitable pipe - fault angle
在有限元三維模型建立中考慮的因素有:管道自身參數如管道埋置深度、管壁厚度、管徑、管道材料等;巖土材料參數如土體類型、巖土的內摩擦角、管土相互作用等;斷層考慮有斷層類型，斷層斷距，斷層錯動距離，斷層與管道的交角，斷層材料的考慮等;荷載分別考慮靜荷載，動荷載，其中動荷載包括線性位移加載、地震力加載和地震波加載等。Through observing the influence of different geometry to reflect wave in deep layer, using seismic digital simulation tracing method, analyzing the influence of max - offset, trace interval, fold and geophone planting to reflecting energy, this article, summarizes, in both theory and practice, the application result of " bin stack " acquisition method
通過不同觀測系統對提高深層反射信號的影響，採用地震數值模擬射線追蹤方法，分析了觀測系統中最大炮檢距、道距、覆蓋次數及檢波器埋置，對提高深層反射信號能量的影響，從理論到實踐總結了「面元疊加」採集技術的應用效果。When the train moves, the wheel and the track system will interact each other. because of the action of the wheel, the track may bright bent transformation, and the transformation spread in the ground
軌道系統由鐵軌、枕木和碎石墊層組成，列車在運行時車輪與軌道系統會產生相互作用，由於輪重的作用使軌道產生彎曲變形，這一彎曲波通過周圍地層向外傳播。The constructionspeed of highwayincreases rapidly, at the same time, the path qualityexaminationdutyaggravatesdaybyday, andtheload ofroads evaluationalsoincreases quicklyin the maintenance. traditional method has many disadvantages, such asinefficiency, tiring, slow speed of evaluation etc. especially, the number ofmeasuring point is too little to give accurate and comprehensive result of theinterior recessive diseases of highway. beside this, the traditional method leadsdestructiontotheroadsurface, whichwillexacerbatethedeteriorationofhighway. in avoid not to affecting the normal travel and not to destroying the pavementstructure, it is urgently to apply nondestructive evaluation ( nde ) techniques tocontrol quality of highway construction and to estimate the running conditionaccurately. the nde techniques of highway have to satisfy the followingqualification : mapping the shape, size and depth of flaw precisely ; having nodamages to the road structure ; being capable of carrying out examination in widerange ; beingeasytoequipandoperate ; beinginsulatetotheenvironmentinfluence. theintelligenceintegrationevaluationvehicleforroadbedandpavement ( iievrp ) is just the comprehensive nde technique that can satisfy the demands above, which can implement detection of highway rapidly and nondestructively
作為吉林省科技廳高新技術項目（ 20020331 ） 「路基路面智能集成檢測車」的一個子項，本文在理論的基礎上，結合實驗對探地雷達檢測路面結構層厚度及路基、路面病害進行了研究，主要工作如下: 1 .闡述探地雷達發展的歷史和研究現狀，介紹探地雷達在路面結構層厚度檢測與路基、路面病害識別上的應用，分析探地雷達設備性能，探討其測量參數對探測性能的影響; 2 .引入matlab計算軟體，利用其中的小波分析工具箱對探地雷達信號進行分析處理; 3 .構建適于道路檢測的車載實驗平臺，為進一步完善路基路面檢測車系統打下了基礎; 4 .通過對模型的檢測，對探地雷達探測性能做出定性或半定量的評價; 5 .通過對實際路面的檢測，驗證探地雷達在道路檢測中的有效性。Application of tomography in radio wave tunnels perspective
層析成像在巷道無線電波透視法中的應用The key to enhance the image quality is to separate the reflection that has high signal to noise ratio and the scope of stack can defined optimally by common - angle gathers
提高成像質量的關鍵是分離出信噪比高的反射波並與根據共角度道集選擇最佳的疊加范圍層。He explains why microwaves cook fish well and meat poorly ( they heat only water molecules, and those to just below boiling : in other words, they poach, producing succulent fish but bland meat ) ; why one should dress a salad just before serving ( oil penetrates the thin waxy cuticle that coats vegetables, driving out the air that refracts light and gives vegetables their colour ) ; why potatoes are the perfect food to deep - fry ( a wealth of starch and sugar on the surface ) ; and why the easiest way to salvage curdled mayonnaise is to wait until the oil separates completely, then just pour it back in, whisking constantly
他解釋了很多廚房內的問題，為什麼用微波爐烹飪出的魚味鮮色美，而做出的肉卻難以下咽（微波爐只對水分子有加熱的作用，而加熱的程度僅低於沸點：換言之，這是一種用熱水煮的過程，所以烹飪出的魚會多汁，而肉卻味道一般） ；為什麼僅在上菜之前的那一刻才給沙拉添加拌料（因為油會浸入保護蔬菜的薄弱表層，並迫使蔬菜內含有的對光線有折射作用的空氣，這樣蔬菜就具有了最本質的顏色） ；土豆為什麼通過油炸才味道最佳（因為油炸過程中，大量的澱粉與糖份會浮出到土豆的表面） ；以及為什麼給蛋黃醬解凍的最簡便的方法是先把醬倒出來，等內含的油完全分離之後，然後把醬倒回瓶子里，再不停地攪拌。Road transport and traffic telematics - dedicated short - range communication - physical layer using microwave at 5. 8 ghz
道路運輸和交通遠程信息處理技術.專用短途通信.使用5 . 8 ghz微波的物理層The resonant three - wave model and laminar - turbulent velocity profile composed are used as a model of coherent structures in. turbulent flow. the forming and variation of turbulent coherent structures in the channel are simulated by the compact differential method with high accuracy and resolution derived in this paper
以共振三波和層-湍復合速度剖面作為湍流相干結構模型，採用文中所導出的高精度、高解析度的緊致差分方法，模擬了槽道流動在近壁區域湍流相干結構的形成和變化。分享友人