點光源法 的英文怎麼說
中文拼音 [diǎnguāngyuánfǎ]
點光源法
英文
method of dot light source- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
- 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) ...
- 源 : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
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Secondly, features extracting algorithm based on histogram, features extracting algorithm based on shape and features extracting algorithm based on texture are imported to solve the drawback of traditional features extracting algorithms based on structured illumination with a layer circle that make use of image information deficiently. we extract abundant features information
其次,針對目前基於結構式光源的焊點特徵提取中沒有充分利用焊點圖像信息的問題,在焊點特徵提取方面,引入了基於直方圖的焊點圖像特徵提取方法、基於形狀的焊點圖像特徵提取方法和基於紋理的焊點圖像特徵提取方法。Shows how to, using fixed point math, make moving directional and point lights
演示如何使用定點演算法製作移動的定向光源和點光源。We take advantage of the method of trying and supposing to finish the experiment. for example, we firstly compute the number of the led regarding perfect situation, then finish the experiment and rectify the numerical value. for another example, we firstly compute the resistance under the desiring situation, secondly choose appropriate resistances according to the debug result
在試驗過程中,採用了假設法,在光源強度的選擇中,首先將led看作理想點光源,然後對其光路進行分析,計算出led需要的個數,最後在試驗中對結果進行修正;在確定光源驅動電路電阻時,也是考慮各種器件都工作在理想狀態下,然後計算出其值,最後在調試的過程中對其進行修改。The main parts are as follows : 1 ) at the base of the fabrication methods, the photosensitivity of optical fiber and the uv laser sources are introduced simply, the diffraction characteristics of phase mask are analyzed to get the distribution of refractive index in fiber grating, referent the paper [ 4 ] ( delivered )
全文概括如下: 1 )從常用的製作方法出發,簡單介紹了光纖光敏性和成柵光源,重點分析掩模板的衍射場,從而獲得理想情況下光纖光柵的折射率分佈函數,參考已投論文[ 4 ] 。The basic principle of spectrum method in color measuring and its specialty are analyzed, and it is used in judging the ending of acid - alkali titration. the whole structure and the light source driver circuit are designed in detail ; the single chip control system ' s hardware interface and software design are given
分析了光譜法顏色測量的基本原理及特點,並將它應用於酸堿滴定的終點判斷,具體設計了顏色測量系統的整體結構與光源驅動電路。The first one is the illumination design, through the simulation of solder surfaces, suitable illumination method could be induced by observing the synthetic images, and finally the adoption of a single - layer circular illumination with incident angle about 25 is concluded as the best illumination for extracting characteristic features from the images
首先是焊點檢驗的照明設計,利用焊點模型所合成的影像,以快速歸納出最適于焊點檢驗的照明方法,並在最後提出以入射角約為25的單層環形光源作為照明形式。To satisfy the experiment request, the equipment generating magnetic field and the angular instrument are improved. for light wave from semiconductor laser is infrared wave in the experiment, the calibrating measurement utilizing visible light from he - ne laser is used. firstly the light path is adjusted using visible light roughly
在搭建系統時,根據實驗要求對磁場儀(小磁場時的穩定性)及摘要第2頁測角儀(測量精度)進行了改進;在調整光路時, (又據使用的紅外激光光源的特點,採用了先利用he ne激光器的可見光波粗略校準光路,然後換用半導體激光器精確校準光路的方法。The result of emulational experiment shows that the algorithms are effective. the algorithm solves the problems of too much training and the low precision of bp network applied in solder joints inspection
模擬實驗驗證了改進后的演算法是有效的,並解決了將bp網路應用於基於結構式光源的錫量類型焊點質量檢測中時訓練次數較多和網路精度不高的問題。There are two hard problems in solder joints inspection based on structured illumination. one is how to extract features of solder joints effectively, and the other is how to classify the features of solder joints effectively
在基於結構式光源的焊點質量檢測方法中有兩個難點:一個是如何提取有效的焊點圖像特徵;另一個是如何對焊點圖像特徵進行有效的分類。This paper realized the aumotic detection of assembling angle position of intravenous needles by image technology. during the study, this paper designed light with a piece of white paper and halogen lamp to take the images of intravenous needles ; analyzed in detail hu moment invariants of digital image, amended i7 and chose i1 ~ i5 and amended i7 as eigenvector groups ; put forward a method of angle recognition based hu moment invariants ; the methods above were employed by vc + +, and a prototype system of software is compiled
在輸液針的角度識別的研究過程中,用鹵素燈和白紙構建了一個漫反射體作為輸液針圖像獲取理想的光源;分析了矩不變量的不變性,修正了矩不變量i _ 7 ,選用了i _ 1 i _ 5和修正後的i _ 7來提取輸液針圖像的特徵;針對輸液針圖像的特點,提出了一種基於矩不變量的角度識別方法;在開發平臺vc + + 6 . 0上編寫了一個輸液針角度識別的軟體原型系統,實現了其演算法。Because mz interferometric optical fiber gyroscope has bigger nonreciprocal phase, the system thermal stability, polarization noise and the error caused by the fluctuation of light source is particular analysed, some effective methods is proposed such as : using the " quasi - white - light " interferometry and the fiber polish technology accurately to control the fiber length, using depolarization light to minish the polarization error, and using temperature control, optical power control and depolarizer to stabilize the output of the light source
結合mz干涉式光纖陀螺的存在較大非互易相移的特點,著重從其溫度穩定性、偏振噪聲以及光源波動引起的誤差三個方面分析了抑制噪聲、提高檢測精度的方法,提出了:採用「準白光」干涉測量法結合光纖研磨技術精確控制光纖長度差的辦法;採用非偏振光源抑制偏振噪聲的方法;採用溫度控制、功率控制以及消偏器實現穩定化陀螺光源的方法。A fast computer simulation of diffraction intensity on the photoresist surface was performed based on kirchhoff ' s diffraction theory and the incoherent super - impose of multi - point source diffraction intensity
利用基爾霍夫衍射理論及多點光源的衍射光場非相干疊加方法,對光刻膠表面的衍射光場進行了快速計算機模擬,並與霍普金斯理論計算結果進行了分析比較。Iris boundary localization based on integral - differential method is modified to improve the localization success rates and the localization speed by eliminating light spots interference and using pupil the position estimation
本文採用亮點梯度檢測方法消除光源像點干擾問題,通過瞳孔位置估計提高微積分定位快速性。Then some methods including optimizing the spectrum and intensity of 3w1 beam line and improving the performance of pmma were put in force, and pmma structure with aspect ratio 100 was obtained under these optimum conditions. moreover, such steps as controlling ph, electrodepositing, using activator and a second cathode, and mending the power supply were taken to solve a series of problems coming into being during electroforming process correspondingly, for example, air holes, inner stress, and ununiformity of deposition
並針對3w1光源中硬x光成分較多、光強和功率密度太高的特點,提出了用ni吸收膜改善光譜和用x光暫波器法優化光強的方法,同時嚴格控制和改善pmma光刻膠的性能,經過反復的計算分析和實驗改進后,獲得了深寬比高達100的膠結構圖形。In the first place, start with theoretic model of distributed fbg strain - sensing network, sensing principle of fiber bragg grating is analyzed and sensing model created. on the basis of analyzing advantages and disadvantages of several familiar multiplexing and demodulation techniques, a mixture multiplexing method that combines optical frequency domain reflectometry ( ofdr ) and wavelength division multiplexing ( wdm ) is proposed to address fbg sensing array. at the same time, tunable narrow - band light source, which is composed of wide - band light source and tunable optical filter, is adopted to demodulate multiplex signals
首先,論文從分散式光纖光柵應變傳感網路的理論模型入手,分析了光纖布拉格光柵的傳感機理,建立光纖光柵應變傳感模型;在分析比較了常見幾種復用技術和信號解調技術的優缺點基礎上,提出應用光頻域反射復用技術和波分復用技術相結合的混合復用方法來解決光纖光柵應變傳感網路的尋址問題,採用由寬帶光源和可調諧光濾波器組成的可調諧窄帶光源來解調復用信號,通過理論分析和實驗研究證實了系統方案的可行性。In this paper basic principle and devices of urine analyzer has been briefly introduced, the principle of liner light source by means of reflection has been analysized and has been put to the test, moreover the collection and receipt of signal have been explored
摘要簡要介紹了尿液分析儀的基本原理和系統裝置,重點分析了利用反射方法獲取線狀光源的原理,對此方案進行了理論分析以及試驗測試,最後對信號的採集和接收進行了探討。In the first part, the article summarized the definition and importance about dissolved oxygen ( do ), the general methods of measuring do. the origin, development and excellence of usage in chemical sensor with fiber - optical technology, the characteristic of fiber optical chemical sensor are introduced. those deferent fluorescence indicators have been used in oxygen sensors during more than twenty years and their deferent capability as fluorescence indicators
在第一章中,在研讀文獻的基礎上綜述了溶解氧的定義和在生產生活中的重要意義;溶解氧測定的常規方法;光纖技術的起源、發展及其應用於化學傳感器的優點;光纖化學傳感器的原理特點;探索了不同時期應用於氧傳感器的熒光指示劑的種類和性能;制備氧傳感探頭的幾種方法原理和光纖氧傳感器在醫學、生物、海洋監測等領域中的應用現狀。The application of light emitting diode ( led ) therapy in biology and medicine is summarized, which focuses on the experiments in animal model, animal cells and clinical research
摘要綜述了國內外以發光二極體為光源的光療法在生物醫學中的應用研究,主要從動物體試驗,動物細胞實驗和醫學臨床進行了分析,對醫學臨床進行了重點的分析研究。Gas - sensing technology, which employs laser diode ( ld ) and light emitted diode ( led ) as light resource, has multitude advantages over traditional approaches, such as high sensitivity, multiple selection, wide dynamic range, good signal to noise ratio and quick response time
以半導體激光器或發光二極體作為光源的氣體傳感技術在靈敏度、選擇性、動態范圍、信噪比和響應時間等方面比傳統方法具有諸多優點。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