錐形波 的英文怎麼說
中文拼音 [zhuīxíngbō]
錐形波
英文
conical wave-
A new tapered multimode interference ( mmi ) - based coherent lightwave combiner is reported
摘要報道了一個新的基於錐形多模干涉的相干光波合波器。This paper is about studies of a new type of shale shaker using a new roller - structure screen, which is made by winding the normal flat screen or corrugated pyramid screen into rotter screen, and can be installed on the shale shakers being used in the oil fiem
本文研究了一種採用新型筒式結構篩網的鉆井振動篩,其篩網是將普通平板篩網或波紋錐形篩網卷製成筒形結構,並可安裝在現有的鉆井振動篩上。In this section, we also designed 2d subwavelength multilevel ( 2 -, 4 -, 8 -, etc. level ) columned stairstep grating with coned spatial profile to reduce reflection
我們也通過矢量衍射理論分析了多臺階二維亞波長具有圓錐面形的網格光柵的電磁場衍射特性。At first in the condition of low - velocity impact it is discussed with the formation of ceramic smash cone angle on the base of quasi - statistic hertz and 3 a 6 y a c - theory. then using spherical stress wave reflection and transmission theory under the state of medium - high velocity the formation of spot in the ceramic back. finally the damage mechanism of ceramic suffered by the high impact is simply discussed
首先,在低速撞擊的條件下,基於準靜態hertz的理論與薩布斯基理論,分析了陶瓷破碎錐角的形成;其次,在中高速撞擊條件下,利用球面應力波反射迭加理論,分析了陶瓷背面的層裂的形成;最後,簡單討論了高速撞擊下陶瓷的破碎機理。The numerical simulation of axisymmetric two - dimensional shock tube is studied, which has a conical convergent section, and its driving gas is the hot product of hydrogen oxygen detonation. finite volume tvd scheme is adopted and the mesh is local orthogonal. the primitive equations are euler s equations of multi - component flow. the new method of eliminating numerical oscillation at the interface of two materials is extended to two dimensions. the mechanical character of this shock tube is analyzed
對由前向爆轟產生驅動氣體並具有局部錐形收縮截面的軸對稱激波管利用兩相常比熱完全氣體的歐拉方程組和有限體積tvd格式在局部正交的網格上進行了二維數值模擬。將消除兩種介質界面處數值振蕩的新方法成功地推廣到二維情況。分析了該激波管的力學特性。The increasing of single channel capacities and evolution of optical networks topology, from simple point - to - point to intelligent optical networks, call for strict demands to optical filters. in this paper, the crucial technologies of optical filters such as interleaver, optical digital filter, fused biconical taper all - wave coupler as well as polarization - pump combiner have been studied experimentally and theoretically, which include : 1. a new process, cascaded fbt ( fused biconical taper ) with precise control as well as strict interference arm length difference, is proposed for the first time to our knowledge
單通道速率不斷提高以及網路拓撲由單一的點對點傳輸向可上下載的環網和可動態選擇波長路由的智能型格形光網路演進,對光濾波器的常規性能指標、時域特性和動態可調諧特性提出了更加苛刻的要求,鑒於此,本論文全面研究了全光纖熔錐型奇偶交錯濾波技術、數字光濾波技術、基於g - t全通濾波器的奇偶交錯濾波技術以及熔錐型全波耦合器和偏振泵浦合波器。Based on the characteristics of hollow wave guide for co2 laser delivery, a cone - shaped wave guide coupler system was designed and fabricated in this work
摘要針對co2激光傳輸用空芯波導的特點,設計、制備了錐形空芯波導耦合器系統。Delivery performance test shows that this wave guide coupler system may help much in improving the transmitting property of co2 laser hollow wave guide
對此耦合系統的傳輸性能測試表明,使用該錐形空芯波導耦合器能夠顯著提高空芯波導的激光傳輸性能。A visual pigment may absorb two wavelengths equally, but even though their photons contain different energies, the cone cannot tell them apart, because they both cause the retinal to change shape and thus trigger the same molecular cascade leading to excitation
同一個視色素可能對兩種不同波長的吸收能力一樣好,但即使這兩種波長的光子能量不同,錐細胞也無法將之區分開來,因為這兩種光都會改變視黃醛的形狀,因而引發同樣的分子事件,造成錐細胞的興奮。Along the route which passes through the ngari plateau, known as the " roof of the world ", you can be fascinated by the circular - cone - shaped gold - colored peaks of the mount sangula, the vast green zharinamco lake, and the dawa lake surrounded by lush pastures, the snow - capped mount baling kangri, the mysterious guge kingdom ruins and the fantastic clay forest, as well as the holly mount kang kingpoche
沿途,桑木巴提山圓錐形的金黃色山峰,扎日南木錯遼闊清碧的湖面,達瓦錯豐美的水草,巴林網日群峰上的皚皚白雪,札達一帶神秘的古格遺址和荒漠而奇特的土林地貌,以及普蘭境內被多種教派譽為聖地的神山崗仁波劉昨聖湖瑪旁雍錯,都會傾倒前來游覽的旅人。In this study a primary method for designing a waverider configuration is developed based on the approximate solution of conical flow fields. the simplified cone - derived shock wave is discussed as the basic model for design. different shapes designed from different compression angles and basic geometric coefficients at the same mach number are put into analysis
本文基於高超聲速條件下錐型流近似解提出了高超聲速乘波構形的初步設計方案,對于不同馬赫數、壓縮角以及幾何設計參數進行了外形設計並就參數對設計外形的影響進行了討論,得到了設計參數影響外形的基本規律。The numerical results show that an appropriate applied voltage potential across the piezoelectric shell has the effect of suppressing the reflected pressure from the sphere shell in a cone fluid field, and able to completely cancel the reflections at any chosen field points
研究表明,在壓電中加載適當的電壓可以在一個圓錐形的流體區域內有效地減小殼體對于外來聲波的反射,並且有可能完全消除任意選定空間點上的反射。In this thesis, a 2 - d axial symmetric n - s equation was solved by using steger - warming flux splitting, muscl, b - l model and finite volume method to simulate an experiment, which was to observe explosion phenomenon
本文用steger - warming分裂和b - l湍流模型的有限體積演算法求解二維軸對稱navier - stokes方程,數值模擬了錐形激波管中爆炸波運動和爆炸波正壓和負壓脈沖。A new type of x - band high power microwave source - the resonator cerenkov oscillator - tapered amplifier tube ( rco - tat ) is put forward for the first time in the present paper. the proposed high power microwave device is based on a comprehensive investigation of related research work in the world and is in agreement with the demands to the development of practical high power microwave sources
在較全面調研和認真分析高功率慢波器件發展趨勢的基礎上,結合返波振蕩器等切侖科夫器件和漸變錐形結構微波器件的特點,提出了一種新型x波段高功率微波發生器?低磁場諧振腔切侖科夫振蕩器?錐形放大管( rco - tat ) 。A numerical simulation software is developed that can be used to simulate standing oblique detonation waves in hypervelocity flight conditions. reasonable parameters and advanced method are provided for the application of standing detonation propulsion technology. the main points are as follows : the mathematical model is developed that can be used to analyze the properties of planar standing oblique detonation waves
通過對駐定斜爆轟波形念的理論分析和數值模擬,對高超音速條件下斜爆轟波的穩定性現象進行了系統研究,探討了產生駐定斜爆轟波的臨界條件,開發了平面和錐形駐定斜爆轟波流場數值模擬軟體,為駐定爆轟推進技術的應用提供合理的系統參數和先進手段。Due to its advantages of having no end - facet reflection, easy extension to a multi - port configuration, high tolerance for fabrication errors, and compact size, the tapered mmi is a good candidate for a coherent lightwave combiner to be used in large - scale photonic integrated circuits
鑒于無後向反射,容易擴展為多口配置,對實驗誤差有大的允許度和尺寸緊湊等優點,這種錐形多模干涉的合波器是大型光子集成中所用的相干光波合波器的理想選擇。The special feature of the rco - tat project is that a slow - wave oscillator with a tapered slow - wave amplifier is combined into an unified microwave tube by a resonant cavity, so it will be a compact and high efficiency micowave source
Rco - tat的特點是利用一個諧振腔將切侖科大型的振蕩器與錐形結構慢波放大器有機地結合在一起,成為一個振蕩?放大一體化的高效率微波源。Tapered fiber waveguide
錐形光纖波導Its high quality pvc tapered twin screw extruders, recently developed technologies in butt joint and lap joint of parallel twin screws and aluminum plastic composite pipes, and various facilities for the manufacture of pvc pipes have been enjoyed a wide recognition among numerous users in the world
高品質的錐形雙螺桿擠出機及新研製的平行雙螺桿壓克力管材pc管材pvc管材高密度聚乙烯管材波紋管生產設備得到了廣大用戶的贊賞和認同。Conical mach wavelet
錐形馬赫子波分享友人