計算全息圖 的英文怎麼說
中文拼音 [jìsuànquánxītú]
計算全息圖
英文
compuer generated hologram- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 全 : Ⅰ形容詞1 (完備; 齊全) complete 2 (整個) whole; entire; full; total Ⅱ副詞(完全; 都) entirely...
- 息 : Ⅰ名詞1 (呼吸時進出的氣) breath 2 (消息) news 3 (利錢; 利息) interest 4 [書面語] (子女) on...
- 圖 : Ⅰ名詞1 (繪畫表現出的形象; 圖畫) picture; chart; drawing; map 2 (計劃) plan; scheme; attempt 3...
- 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
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Fs laser directly writes computer - generated holograms
飛秒激光直寫計算機產生全息圖In order to facilitate the registration and evaluation of holograms, the holodiagram was developed.
為了使全息圖易於記錄和計算,研究出一種全息析紋圖。Computational flow imaging ( cfi ) uses theoretical predictions of the interaction and transmission of optical waves through theoretical flowfield to generate digital pictures that simulate real observations. it was used to construct flow visualization corresponding to shadowgraph, schlieren, interferometric and planar laser induced fluorescence ( plif ) images. by providing a better insight into the flow physics and cfd code behavior, cfi is proving to be extremely useful to experimentally validate cfd codes
計算光學流動顯示技術( computationalflowimaging - cfi )就是把數值計算( cfd )獲得的流場中的物理場,經過與實驗相同的計算光學(全息干涉、紋影、陰影、平面激光誘導熒光)的過程轉換為所需的各個方向與試驗流動顯示圖像相對應的計算流動圖像。And then, the method for determining the optimum number of batches for fixing a given number of holograms is present based on above research
北京工業大學理學博士學位論文一計算比較了以不同分批數存儲熱固定的多重全息圖的衍射效率。In this method, the principal axes method is used to estimate the parameters of the transformation, then with the estimated pamameters as the initialization of powell optimization method and with all of the available information as the feature, a high accurate registration is achieved by calculating the minimum standard deviation between the registered images
該方法首先採用主軸法對變換參數進行初步估計,之後採用powell最優化演算法,利用全圖像灰度信息來作為圖像的參考特徵,通過計算配準圖像之間差的平方和的極值來實現圖像配準,從而提高了配準精度。After recording digital hologram with charge - coupled device ( ccd ), we can reconstruct the real image of the object from it by means of numerical method
數字重現技術使用ccd代替干版直接記錄下菲涅爾全息圖,通過數字計算的方法再現物體的像。First, by using coordinate rotation, we have discussed the computer - generated hologram composed by planar object whose plane does n ' t run parallel with that of its hologram. second, through coordinate transform, the computer - generated hologram of curvy planar object has been discussed again, in which, conformal map in computer graphics has been creatively applied, and generated the computer - generated hologram of simple curvy plane ( e. g. spherical surface ) ; also, in this section, the correctness of transformation has been confirmed by numerical reconstruction
首先利用坐標旋轉討論不平行於全息面的平面所構成的物體的計算全息圖:接著採用坐標變換討論曲面物體的計算全息圖,創造性地將計算機圖形學中的共形對應原理運用到計算全息中,生成了簡單曲面(如球面)物體的計算全息圖,並用數字重現驗證了變換的正確性,為今後復雜三維物體的計算全息圖的研究奠定基礎。And also, through the numerical algorithm of fresnel diffraction, we have realized the computer generation and numerical reconstruction of point hologram and fresnel hologram
利用菲涅耳衍射積分的數值演算法,分別實現了基元全息圖和菲涅耳全息圖的計算機生成和數字重現This paper mainly addresses the computer stimulated algorithm of the recording and reconstruction of holograms
本論文主要研究全息圖記錄和重現的計算機模擬演算法。The basic principle of digital holography is that, by replacing the ordinary films with ccd, the hologram of the object and the reference waves can be obtained and reconstructed by numerical computing
數字全息的基本原理是用光敏電子元件(如ccd )代替普通照相記錄介質,獲取物體和參考光的干涉全息圖,然後用數字計算方式再現。In the second part, the computer - generated hologram of three - dimensional object has also been researched
本文還研究三維物體的計算全息圖。This paper is trying to combine computer - generated hologram and digital holography together, to give the stimulated algorithm of the fresnel diffraction and through computational stimulation generate the hologram, which will reconstruct the original image, and ultimately, realize the numerical reconstruction of the hologram
本文嘗試將計算全息與數字全息相結合,研究光線的菲涅耳衍射傳播的模擬演算法,用計算機模擬生成全息圖,並由所生成的全息圖再現出原始圖像,實現全息圖的數字重現。By combining the advanced computer technology and optical holography technology together, computer - generated hologram can generate holograms, which, with no demand for objects, can be reconstructed through optical ways after the computer has processed the mathematical description of object waves
計算全息是將先進的計算機技術和光全息術結合起來,利用計算機產生全息圖。它不需要物體實際存在,而是把物波的數學描述輸入計算機處理后,繪制出全息圖,然後用光學方法重現。Typical computer generated holography ( cgh ) and hologram synthesis that simulate typically optical holography need to compute a huge 2 - d holographic fringe, or to lose some 3 - d information and resolution to reduce data. the first real - time display of holographic images was reported in 1990 by the mit spatial imaging group. but this is still an open problem because view angle of holographic images, volume and speed of transmit are limited
傳統的研究集中在計算機生成全息圖( computer - generatedholography ,簡稱cgh )和全息圖綜合的方法上,採用模擬光全息的物理方法,從而導致數據量龐大,無法在現有硬體上完成實時處理,或者靠損失部分三維信息和解析度以減少數據量,但失去了真三維顯示的效果。A new method of making three - dimensional color holograms by combining computer with optic holography
計算機與光學聯合制三維物體彩色全息圖的新方法Digital holography is a novel imaging technique which uses high - resolution ccd - cameras as hologram recording medium and reconstructs the image with numerical method. it involves optical holography, computer science, electronic technology and digital image processing. in recent years, particle analysis with digital in - line holography is an active research field
數字全息術用ccd記錄全息圖,以數值的方法再現全息圖,它綜合了光學全息原理、計算機技術、電子技術以及圖像處理技術,是一種新穎的全息成像技術,具有處理簡便、對實驗環境要求較低、可實現準實時處理等優點。Digital holography is a new imaging technique that uses a charge coupled device ( ccd ) camera for hologram recording and a numerical method for hologram reconstruction. this paper presents the concept and underlying theory for digital holography and its applications in 3 - d object reconstruction and optical metrology
數字全息術以ccd等光電探測器件記錄全息圖,用數值方法再現全息圖,它是綜合光學全息原理和計算機技術、電子技術以及數字圖像處理技術發展起來的一種新型全息成像技術。This paper focuses on the main limitation - unable to share the data surely and effectively - of the existing systems. on the basis of the computer making train diagram system ver2. 0, brings fonvard the new style system of making diagram with computer based on the b / s architecture. in the paper, the author makes studies on the data permission security and transport security problems of the train diagram system that is based on computer networks and distributed system
0 》的基礎上,針對目前國內計算機編圖系統的主要不足? ?無法安全有效的實現數據信息共享,提出基於b s體系架構的新型編圖系統整體方案,並對處于網路互聯狀態下、分散式處理系統的列車運行圖數據訪問權限以及數據傳輸安全問題進行深入的研究。Computer generated hologram
計算機再現全息圖The topic we have tackled are as the following, ( 1 ) numerical simulation for light propagation and visualization of light - field distribution of fresnal diffraction and fraunhofer diffraction with ( 2 ) computation and display of hologram by method of simulation - anneal ( 3 ) hologram computation of a point source based on method of interference hologram computation
論文中具體完成了以下工作: 1 、對光的傳播特性進行了數值模擬,以可視化方式表現了菲涅耳衍射和夫瑯禾費衍射的光場分佈。 2 、用模擬退火演算法實現了全息圖的計算及顯示。 3 、在基於干涉全息圖的計算方法上,計算了一個點光源的干涉全息圖和相位分佈。分享友人