球形波 的英文怎麼說
中文拼音 [qiúxíngbō]
球形波
英文
spherical wave-
It make the principle formula become simpler and more practical. by the attenuation regulation and distributing character of stress wave under the linear charge blasting, the paper bring forward the idea that the columniation stress wave can be regarded as cylinder stress wave, the end stress wave as spherical wave. the perfect stress attenuation formula in radical direction is established in complete elastic medium
根據條形藥包爆破應力波分佈特徵及衰減規律,提出了可將條形藥包爆破柱部應力波當作柱面波、端部應力波當作球面波處理的研究方法:建立了理想的完全彈性介質中球藥包和條形藥包爆破徑向應力衰減方程。Only discrete wavelengths of matter waves may resonate within the spherical volume of a hydrogen atom.
物質波在一個氫原子的球形體積內也只有一定的分立波才能發生共振。In the first part, the basic knowledge of particle scattering in meteorology and physics was introduced. the particles to be discussed include aerosol particles, fog droplets and raindrops and the em wave band in the discussion is near - infrared. in the second part, the mie theory was briefly reviewed and was applied to investigate the scattering characteristics of spherical atmospheric particles, the result shows that in the visibility measurement meter using forward - scattering method, when the working wavelegth is between 0. 8 m ~ 2 m, the scattering angle is between 25 ~ 40, the distinguishability and the relative scattering intensity would be better than those under other conditions. in the third part, the superellipsoid was used to describe a wide range of shapes such as spheres. ellipsoids and cylinders. an improved t - matrix method which can be used to calculate arbitry shaped particle ' s scattering field was introduced, and the scattering characteristics of non - spherical atmospheric particles was investigated with this method
計算結果表明,從相對散射強度、同一方向上不同粒子散射的可區分程度來看,在散射式能見度探測儀器中,工作波長介於0 . 86 m 2 m ,探測角度選取前向25度40度時,探測的結果將會是比較理想的。第三部分中,使用超橢球方程來統一描述各種非球形粒子的形狀,然後使用t矩陣方法計算了一些形狀的非球形粒子的近紅外散射特性。另外,在本文中還針對球形粒子的散射場提供了一種三維可視化方法,使對散射場強度的空間分佈的理解更加簡單,直觀。Based on the extended boundary condition method and addition theorem of vector spherical functions, this paper study the light scattering problems of aggregate spheres from the angles of a single sphere, two - sphere system and multi - spheres system
本文基於擴展邊界條件法及矢量球諧函數的加法定理,通過嚴格求解maxwell方程所得到的散射傳輸矩陣,對與入射波波長可比擬的群聚球形粒子的散射問題進行了研究。This figure shows four stages in the outward motion of the spherical blast originating from an air burst.
圖中表明空中爆炸時發生的球形爆震波向外移動的四個階段。Experimental techniques for simulating cavity decoupling explosion in laboratory wear developed, which include a center initiating explosive charge designed in shape of mini - spherical with yield equivalent to 0. 125 ~ 8. 00gtnt, circular electromagnetic particle velocity gages and aluminum bar strain gages measurement techniques, spherical divergent stress waves generator. large amount of tamped and cavity explosion experiments had been made in granite, soil, cement mortar and water media environment, respectively
本文建立起了包括中心起爆的0 . 125 8 . 00gtnt微型球形炸藥裝置的研製、圓環形電磁粒子速度計及鋁桿應變計測試技術和球形發散應力波實驗裝置等在內的實驗室微型藥量空腔解耦化爆模擬技術,並在花崗巖、土、水泥砂漿和水等介質中進行了大量的填實和空腔爆炸實驗研究。Scattering of the cloud or raindrop for radar wave was always the principal causes of meteorological interference. the author, according to specific property of the spherical or unspherical points, analysed some decline phenomena in propagation for radar - wave, especially the typhoon rainstorm
雲雨滴對雷達波的散射是產生氣象干擾的主要原因.根據球形、非球形質點的散射特性,分析了雷達波在傳播過程中受其影響所產生的各種衰落現象,特別是臺風暴雨D ). puts forward stress wave research method when the linear charge blasting. it regarded column stress wave as cylinder stress wave, end stress wave as spherical wave
D )提出了將條形藥包柱部應力波當作柱面波、端部應力波當作球面波處理的應力波研究方法。The main product are following bellow : ball bulbs, mushroom bulbs, hose bulbs, candle bulbs, r bulbs, br bulbs, andrefrigeratory, mirocwave oven, sewing machine indication bulbs
主要品種有:球形泡、管形泡、燭形泡、蘑菇泡、 r形泡、 br形泡、冰箱及微波爐、縫紉機等指示泡。Laws of propagation and attenuation of spherical stress wave in the geologic media have been studied in detail by means of mini - chemical explosion test in laboratory in this paper. the lows are fundamental to improve and develop theoretic models for underground explosions ( tamped and cavity decoupled ) on the stress wave propagation, safety and containment during the explosion
運用微型藥量化爆模擬試驗可以比較深入、細致地研究地質介質中球形發散應力波的傳播、衰減規律,這對于改進、發展用於估算地下爆炸(填實和空腔解耦)應力波的傳播及安全封閉的理論計算模型是至關重要的基礎資料。Based on the fresnel diffraction integral, the analytical expression for the field distribution of converging spherical waves passing through an annular aperture is derived and some special cases are discussed
摘要基於菲涅耳衍射積分公式,推導出了會聚球面波通過環形光闌后場分佈的解析公式,並討論了一些特殊情況。In this paper, a synthesis method is studied to produce the shaped beam patterns. this method is based on the fact that synthesis of antenna patterns is equivalent to minimizing a certain function
本文重點研究了一種賦形波束功率方向圖的綜合演算法,並以賦球波束為例分別討論了等間距線陣和方陣的綜合過程。In this paper, we have done research on the effective permittivity of ellipsoid inclusions and spherical core - shell type inclusions, using the method of micromechanics theory ; sequentially optimized design of absorbing coating
本文利用微觀力學理論方法,對橢球形顆粒夾雜復合材料和球形核殼型顆粒夾雜復合材料的等效介電常數的預測進行了研究,並對吸波塗層進行了優化設計。The use of wave packet to analyze the dynamics of quantum mechanical systems is an increasingly important method to the study of the classical - quantum correspondence. using the quantum gaussian wave packet analysis method, we calculate the autocorrelation function of the rectangular billiard, the peak positions of the autocorrelation function match well with the periods of the classical periodic orbits, which show that the period of the classical orbits can be produced by the time - dependent quantum wave packet method. we also discuss wave packet revivals and fractional revivals in the rectangular billiard, the results show that there are exact revival for all wave packet at each revival time. we find additional cases of exact revivals with short revival times for zero - momentum wave packets initially located at special symmetry point inside the billiard
利用波包分析量子力學體系的動力學行為在研究經典和量子的對應關系方面越來越成為一個非常重要的方法.利用高斯波包分析方法,我們計算了矩形彈子球體系的自關聯函數,自關聯函數的峰和經典周期軌道的周期符合的很好,這表明經典周期軌道的周期可以通過含時的量子波包方法產生.我們還討論了矩形彈子球的波包回歸和波包的部分回歸,計算結果表明在每一個回歸時間,波包出現精確的回歸.對于動量為零的波包,初始位置在彈子球內部的特殊對稱點處,出現一些時間比較短的附加的回歸When the wind hits this field it creates a shock wave known as the bow shock
當太陽風碰撞地球磁場的時候,就會產生出沖擊波,即弓形波。In this thesis, based on related previous references, using the non - fourier law of heat conduction, applying the image method, expand method of wave function, multiple scattering of thermal waves in materials with subsurface defects are investigated. our research works are concretely as following
本文在分析了國內外相關文獻的基礎上,基於非傅里葉熱傳導波動方程,採用鏡像方法和波函數展開法,研究了固體介質中亞表面圓柱缺陷和球形缺陷對熱波的多重散射問題。These have been developed by the numerical integration of the differential equations of gas motion for a spherical blast wave in air.
這些都是根據空中球形爆震波氣體運動的微分方程的數值積分得到的。Base on the effective permittivity forecasting formula of spherical core - shell type inclusions, the theory frame of optimum design of absorbing coating is constructed ; the optimization of single layer and double layers is done
基於核殼型球形顆粒的等效介電常數的預測公式,建立了吸波塗層優化設計理論框架,並對單層和雙層吸波塗層進行了優化設計。In 1993 saunders and poreda demonstrated that fullerenes have the unusual ability to capture noble gases ? such as helium, neon and argon ? within their caged structures
1993年,桑德茲與波里達證明了富勒烯具有捕捉惰性氣體(例如氦、氖、氬)的不尋常性質,儲存在球形結構裏面。A sphere, in contrast, concentrates its beam to a line ? which is why a " line feed " antenna was originally used at arecibo
球形的則不同,它會把波束匯聚到一條線上? ?這就是為什麼阿雷西博先前使用的是「線反饋」天線。分享友人