射線轉換 的英文怎麼說
中文拼音 [shèxiànzhuǎnhuàn]
射線轉換
英文
beam switching-
The system stores spatial data and characteristic data into central database, and provides services to users in server / client mode. as the research emphases of this thesis, several key sub - systems are designed and realized. the digital map input and maintenance subsystem performs format conversion, editing and updating of spatial data ; the rail - track video playing subsystem uses video recording as reference data, then plays, inquires and traces the corresponding frames in synchronous to the scaled mileage, realizing the query of the active picture frames ; the digital map query subsystem fulfills the map query, preview and spelling of digital map orthograph
其中,地形圖輸入與維護實現了數字地圖的格式轉換、編輯處理以及空間數據的更新操作,解決了不同格式空間數據的互相轉換問題;線路錄象播放將線路錄像數據作為系統的一種索引數據,活動影像的畫面與里程相對應,實現了基於線路錄像的播放、查詢和檢索的功能,實現了基於活動畫面的查詢檢索功能;數字地圖子系統完成了圖形查詢、數字地圖與線路正射圖像瀏覽、圖幅拼接等功能。Being the energy transition and eradiating / receiving setting in wireless communications procedure, antenna became one of the most important technologies to be studied
天線作為無線通信中的能量轉換和定向輻射或者接收裝置,成為各國軍事及通信領域研究的重點。The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically
分析了計及剪切變形和轉動慣性的有限長正交異性圓柱殼中彈性瞬態波的傳播問題,採用回傳矩陣法,在相空間中給出了位移和內力的表達式。再利用laplace逆變換,得到正交異性圓柱殼受軸對稱沖擊作用時彈性瞬態波解,然後將其分解為若干廣義射線積分之和,並用數值方法求解之。Components, structure and surface morphology of the resulted films were identified by fourier transform infrared ( ftir ) spectroscopy, x - ray diffraction ( xrd ) and scanning electronic microscopy ( sem ). the analyses showed the content of cubic boron nitride in the resultant films on substrates was rather high and crystal particles of c - bn with uniform size, smooth crystal plane and regular shapes ( quadrangle and hexagon ) densely arrayed on the substrate
傅里葉轉換紅外吸收( ftir )光譜儀、 x射線衍射( xrd )儀和掃描電鏡( stm )的測量結果顯示,基底上的bn膜中立方相含量很高,且晶粒大小均勻、排列緻密,晶形呈規則的四角和六角形。Umbra lets you emphasize the intensity of shadows in the area fully protected by the direct rays shot by the lighting source : the light transition between fully shadowed areas and fully lit areas change more quickly
日蝕允許你增強被光源發射直接光線包圍的區域中的陰影深度:在完全陰影區域和完全照亮區域之間,光線急劇轉換。The linear and nonlinear optical properties of these compounds have been systematically studied. the following parts are included in this thesis : one - photon and two - photon fluorescence ; upconversion superradiance and cavity lasing properties ; the optical power limiting effect of these compounds ; and so on. tpa absorption coefficients have been got by z - scan method
3 、系統研究了它們的線性和非線性光學性質,主要包括:單、雙光子熒光,上轉換超輻射和腔激射性能及其效率,光限幅效應,用z - scan的方法得到了其雙光子吸收截面。Fast ray tracing method for converted waves in complex media
復雜地質模型轉換波快速射線追蹤方法And the scheme for p - sv waves was put forward as an example of converted waves
然後,以p - sv波為例,給出了轉換波快速射線的追蹤方法。The numerical example has proven that the scheme for converted waves is effective
模型計算結果表明,本文所提出的轉換波快速射線追蹤方法對復雜地質模型是切實可行的。In this dissertation, we mainly report on a laser - produced plasma ( lpp ) source with liquid aerosol spray target. for sufficiently high backing pressure and low temperature, the valve reservoir gas of the light source can undergo a gas - to - liquid transition
液體微滴噴射靶激光等離子體( lpp )光源是一種具有較高的軟x射線轉換效率且能夠長期連續運行的低碎屑光源。Nuclear disintegration or transformation caused by absorption of high - energy radiation, as of gamma rays
光致分裂由吸收高能量輻射、如射線而引起的核分裂或核轉換A linear relation can be found between response value of ultraviolet absorption detector, fluorescence detector, electrochemical detector and refractive index detector and quality of the object under test ; however, relation between response value of evaporative light - scattering detector and quality of the object under test is usually not a linear one, therefore, mathematical conversion of response value should be made before making calculation when necessary
紫外、熒光、電化學和示差折光檢測器的響應值與待測物的質量呈線性關系,但蒸發光散射檢測器響應值與待測物的質量通常並不呈線性關系,必要時需對響應值進行數學轉換后進行計算。Then this paper deals with the design and realization of the smart - antenna receiver system architecture. and the receiver is divided into four modules, including rf front - end module |, if demodulation module, analog to digital conversion module and frequency synthesis module
隨后在此基礎上,對應用於w - cdma系統智能天線接收機進行了系統設計分析,並給出了實現方案,主要包括射頻前端電路模塊、中頻解調電路模塊,參考頻率合成電路模塊和數模、模數轉換電路模塊四部分的設計與實現。Directly painting textures on top of 3d objects in 3d perspective viewport is a new issue of human - computer interface ( hci ). this paper presents a method to solve this issue. it converts the position information of the texture pixels of texture map into color information , and then transfers both the coordinates and the color of texture pixels into screen through texture mapping at the same time. only is the color information of texture pixels converted into illumination by calculating the normal and the angle of ray incidence of the screen pixel in the method. the texture coordinates are firstly converted into the color information by generating another texture map , which is called information map whose pixels ' color represents the coordinates information. and then the corresponding texture coordinates are mapped into screen reference frame by texture mapping and stored into information buffer for later use. so we can obtain the texture coordinates of screen pixels correspondingly by decoding from information buffer. after optimizing , we can paint textures on top of 3d objects in 3d perspective viewport in real time. the paper also gives some examples and related definitions of using additional information of 2d texture map for 3d graph generating
針對三維逶視投影視圖中對三維物體表面紋理直接進行噴繪,以獲得復雜紋理圖這一計算機圖形交互技術這一新問題,研究了一種將紋理圖的象素位置信息轉換成彩色信息,然後利用紋理映射將紋理坐標連同該點上的顏色值一起傳遞到與屏幕象素對應的可見點上的方法,其中顏色值依該點處的入射光線方向和表面法向被進一步轉換為光強值,而紋理坐標則被解碼后還原成與該可見點對應的紋理坐標,被存入信息緩沖器中,供以後使用,通過解碼,可根據屏幕點直接得到對應紋理象素點的坐標,經過演算法優化,實現了對三維物體表面紋理的實時噴繪;同時闡述了在三維圖象生成技術中使用附加紋理信息的應用實例以及相關定義In this thesis, organic - montmorillorite ( org - mmt ) was obtained - by an ion - exchange reaction between na + - montmorillorite ( na + - mmt ) and alkyl ammonium bromide, leading to increase the basal spacing of montmorillonite. xrd analysis indicated that alkylammonium ions had already exchanged with na + ions in na - montmorillonite and long alkyl - chains had entered into the gallery of montmorillorite
X -射線衍射( xrd )分析結果表明有機胺陽離子已同蒙脫土中的鈉陽離子發生離子交換作用,烷基長鏈進入蒙脫土層間,導致層間距擴大,並使蒙脫土層間親水性轉變成親油性。The paper presents the geometry method of transformation between 2d pattern and garment surface based on the principle of designing developable surface according to requirement. the data of characteristic curve of body model and 2d pattern are measured. 2d pattern is obtained by draping cutting on the body model. in this way, the developable garment surface is designed based on 2d pattern
以服裝立體裁剪所獲得服裝衣片結構線二維數據與人體模型特徵線三維數據為基礎,依據按已知條件構造可展面理論,研究在定長映射下服裝衣片與服裝曲面之間轉換的幾何學方法,進而實現服裝曲面二維向三維的變換。But the magic of a conformal mapping is that the device is guaranteed to operate in identical fashion to the circular version, just with the geometry of all the critical elements ( semiconductor, metal, field lines and current flows ) transformed by the mapping
不過保角映射的神奇之處在於,它能確保這個裝置會以和其圓形版本完全相同的方式運作,所有的關鍵元素(半導體、金屬、場線與電流)都會隨著保角映射被轉換過去。For bilateral symmetry objects, the techniques on symmetry - point detection and symmetry - axis extraction are presented based on harmonic conjugation relationship. for rotated symmetry objects, the techniques on rotated units description and rotated symmetry center extraction are presented based on center invariants of objects. further more, by using 3d invariants and 2d projective transformation, an approach to recover shape from part symmetry objects is realized on some conditions
( 3 )深入分析了2d對稱性目標透視成像的幾何特點,將共點四線交比用於目標輪廓上的關鍵點的特性描述中;利用調和共軛關系,提出了一種針對左右對稱型目標的對稱點檢測和對稱軸提取的演算法;利用交比關系構造了目標的形心不變量,提出了一種針對旋轉對稱型目標的旋轉對稱單元判定、旋轉中心提取的演算法;進一步利用3d不變量和2d射影變換,實現了一定條件下的對稱性目標的形狀恢復技術。Dose conversion factors for use in protection against - ray external radiation
用於線外照射放射防護的劑量轉換因子Tofind a beam - type shelves and determine its position , any radar station has to basically consist of a transmitter , a receiver , an antenna , an bed set , a display and a timer
為了要發現目標和確定其位置,任何雷達站基本上都必須包括發射機、接收機、天線、天線轉換開關、顯示器和定時裝置。分享友人