物理光學的 的英文怎麼說
中文拼音 [wùlǐguāngxuéde]
物理光學的
英文
physioptial- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 的 : 4次方是 The fourth power of 2 is direction
- 物理 : 1. (事物的內在規律) innate laws of things2. (物理學) physics
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Photometers for analytical tests ; used physical - chemical basic processes
分析試驗用的光度計.第1部分:應用物理化學的基礎過程The model is based on the theory of physical optics ( po ), geometry theory of diffraction ( gtd ) and uniform theory of diffraction ( utd ), and it can compute and analyze the propagation of em wave in microcellular environments by using improved ray tracing method
該模型基於物理光學( po ) 、幾何繞射理論( gtd ) 、一致性繞射理論( utd ) ,利用改進的射線跟蹤法對微蜂窩中電波傳播特性進行了數值分析計算。Iterative physical optics is extended to the analysis of electromagnetic scattering by dielectric coated targets. the theoretical model of the extended ipo is formulated by fresnel reflection coefficient. it is applied to analyze the scattering by geometrically simple, electrically large, dielectric coated cavities
將迭代物理光學( ipo )法推廣到非完純導體邊界目標的電磁散射特性分析中,建立了具有阻抗邊界的ipo理論模型,並應用這種推廣的ipo方法分析幾何結構簡單的電大尺寸介質塗敷腔體的電磁散射特性。The combination of fdtd method with physical optics is also used to analyze paraboloidal reflector antenna in millimeter band. using fdtd method, we obtains precise near fields of the feed because the computing areas include all the feed structure. the current on the paraboloidal reflector can be calculated by using physical optics, and then the far field of reflector can be calculated
在毫米波拋物面天線的分析計算中,把fdtd與物理光學法結合起來, fdtd用於具有精細結構的饋源及饋電波導一體計算,得到饋源的幅度和相位方向圖,以此為依據調整饋源結構,使饋源的幅度和相位方向圖為最佳狀態。At present greco is regarded as one of the most valuable methods of radar cross section ( rcs ) computation in the high - frequency region. depending on these conditions, several researches have been completed in this paper : firstly, calculating rcs of complex conducting targets has been accomplished by greco method. the high - frequency rcs of targets are obtained through physical optics ( po ) and incremental length diffraction coefficients ( ildc ) respectively
本論文做了以下研究工作:首先,實現了運用greco方法計算了高頻區理想導體復雜目標的雷達散射截面( rcs ) ,分別應用了物理光學法( po )和增量長度繞射系數法( ildc )計算了目標的面元和棱邊的電磁散射,最後綜合面元與棱邊的散射效應得到目標的總rcs 。On the aspect of the research of the rcs computation methods, this dissertation did many work as : it discussed the application of the stationary phase method for the integral of the physical optics and gave the expressions of the stationary phase method based bezier surface for the perfect conduct and coated target ; focused on the application of the stationary phase method, it discussed some important techniques such as the searching of the stationary phase method and the handling of the singularity ; it also discuss the application of the gauss method for verifying the correction of the stationary phase method, and gave their compares of the efficiency and the precision
在rcs演算法研究方面,本文做了以下研究:討論了在bezier曲面上物理光學積分的駐相法求解,給出了bezier曲面上理想導體和塗敷目標駐相公式;圍繞駐相法的應用,討論了駐相法應用中的一些關鍵的技術問題,包括駐相點的搜索、駐相法的奇異性;為了檢驗駐相法的精度,還討論了gauss積分的應用,給出了兩種方法計算效率和精度的比較。We present a calculation program in this paper, based on the physical optical theory ( po ) theary to predict bse and bses for a conical type of radome. the po theory is used to determine the ficticius currents electrical and magnetic on the inner face of the radome, which is illuminated directly by the radar antenna, and then use the transmission matrix mothod to determine the outer surface ficticion currents, the radiated from the antenna through radome is considered as the radiation field of these ficticion current
本文提出了一種基於物理光學理論預測正圓錐天線罩瞄準誤差及瞄準誤差斜率的計算程序。首先,雷達天線照射到天線罩內壁,應用物理光學法求出內壁等效的電流和磁流,其次,根據傳輸矩陣理論求出外壁等效電流和磁流,天線通過天線罩的遠區場即可認為是外壁等效電、磁流產生的場。This technique combines the edge - based finite - element method with physical optics ( po ) and physical theory of diffraction ( ptd ). the hybrid technique is applied to compute the scattering fields from the electrically large bodies with cracks and cavities on their surfaces. it is also used to analyze the scattering characteristics of microstrip antennas residing in a cavity mounted on metal objects with finite sizes
本文採用edge - basedfem為基本方法,結合物理光學法( po ) 、物理繞射理論( ptd ) 、邊界積分方程( bi ) 、區域分解技術( ddm )和完全匹配層( pml )吸收邊界條件等求解方法構成的混合方法,對電磁散射和輻射問題進行了研究,主要包括以下內容:提出了一種edge - basedfem與物理光學方法和物理繞射理論相結合的混合方法? fem po - ptd方法,並將該混合方法應用於帶有腔體或槽縫的電大尺寸導體目標的電磁散射特性分析和位於有限導體目標上的背腔式微帶貼片天線的電磁散射特性分析。In addition, the mom - po hybrid method is proposed to dissect radiation from radome - enclosed antennas and the correction impedance matrix upon which the solution to equivalent currents of radome ' s surface depend is built. a comparative analysis of those methods is finally presented to examine respectively their accuracy as well as computational efficiency
最後,對矩量法物理光學法的混合演算法分析問題的過程進行討論,給出混合演算法分析帶罩天線輻射問題的具體解決方案,建立混合演算法求解天線罩表面等效電磁流的校正矩陣。Incremental length diffraction coefficients ( ildc ) is adopted to calculate the contribution of edge diffraction. in order to improve the accuracy of calculation, multi - scattering is discussed, based on the two former contributions and ray - tracing method. geometrical optics ( go ) and physical optics ( po ) are used to calculate the multi - reflection between facets and facets
對于鏡面反射採用物理光學法計算其散射貢獻,結合基於面元的目標模型的表示,採用離散的積分形式,將面電流積分化簡為線積分,簡化計算復雜度;對于邊緣繞射,運用增量長度繞射系數理論計算目標邊緣繞射場;在多次反射中,則以光線跟蹤方法為基礎,採用幾何光學、物理光學相結合的方法分析考慮多次散射場。Based on the concept of the rcs and the theory of the basic electromagnetic scattering, this dissertation discussed the application of the physical optics ( po ) to the rcs of bodies modeled with nurbs surfaces, and completed an integrate software with the display, transfer, shelter handling and modification of the models
本文圍繞復雜目標雷達截面( rcs ) rcs的概念及基本電磁散射理論,討論了基於nurbs曲面模型的物理光學法的應用,同時完成了集模型顯示、修改、變換、消隱及rcs計算於一體的綜合軟體開發。Photomechanics is a science of technique, which is the combination of crystal optics, lodern optics, laser technique, mathematical statistics and digital image processing technique, the data and information of photomechanics are often represented by optical interferometric ringe patterns
光測力學是綜合物理光學中晶體光學、現代光學、激光技術和數學中統計學及計算機圖像處理技術等多學科交叉結合的技術學科。A numerical technique employing the method of moments ( mom ) and physical optics ( po ) is presented for studying the scattering from a planar slotted waveguide array antennas
利用矩量法和物理光學法分析了平板波導縫隙陣列天線的散射特性。Besides, the technique of self - transmitting and self - receiving monostatic planar near - field scattering measurements is studied in the thesis based on pws and po
本文還基於平面波譜理論和物理光學法,對雷達散射截面( rcs )的「單發單收」測量技術進行了研究,該方法大大縮短了測量時間。And then a hybrid technique combining ddm with eb - fem, po, and ptd is given for the analysis of electromagnetic scattering by electrically large bodies with deep cavities
在此基礎上,將ddm與eb一fem 、物理光學法、物理繞射理論相結合,分析了帶有深腔的電大尺寸三維導體目標的電磁散射特性。Comparing the shape design method that is in common use currently, deducing the physical and geometrical optics theory, this article advanced a direct - shape method for the reflector
本文綜合比較了目前常用的賦形設計方法,並通過物理光學、幾何光學理論公式的推導,提出了一種反射面直接賦形的方法。Numerical results are given to demonstrate the effects of several factors including the number of basis functions, the thickness of waveguide, the terminations of waveguide and different frequency on the radar cross section ( rcs ) of a slot array
物理光學法用於有限電尺寸導體平板散射的分析。文中給出了縫隙陣列在不同頻率、基函數個數、波導厚度、終端負載等情況下的計算結果。An idea to establish a cancellation database on the basis of the smooth of rcs of the protected target is also introduced the field scattered by facets and fringes and the multiple scattering effect are calculated by a hybridization of the theory of physical optics, equivalent currents and areal projection - physical optics, which are utilized to compute the rcs of an aeroplane
還提出了根據被保護目標rcs的平滑值確定對消數據庫的思想。應用物理光學法、等效電磁流法和區域投影物理光學方法計算了面元散射場、劈邊緣繞射場以及多次散射場,採用此方法計算了某飛機的rcs ,並對該目標的rcs進行了平滑處理。The engineering algorithm ( physics optical method ) for numerical simulation of ao effect was also derived, the point - diffusion function obtained can be used to obtain sighting - axis deviation, blurring, jitter and strehl ratio, so that the ground simulation of ao effect can be theoretically feasible
同時推導了氣動光學效應數值模擬的工程演算法(物理光學法) ,得出的點擴散函數便可得到氣動光學效應的視軸偏差、模糊、抖動、 strehi比等,從而使氣動光學的地面模擬測試研究在理論上可行。Spr is a physical phenomenon of total intemal reflection ( tir ) of light at the interface between two media when a light beam propagates across such an interface from higher refractive index media to the lower. spr is sensitive to the refractive index of the surface medium. the physical characteristic of spr has been applied to chemo / biosensing in the chemistry and biology
Spr原本是一種物理光學現象,由沿著金屬和介質界面傳播的電磁波所激發而形成的,它對于附著在金屬表面的介質的折射率非常敏感,化學與生物學上利用spr的這個物理特性來進行傳感分析。分享友人