斑點分光 的英文怎麼說
中文拼音 [bāndiǎnfēnguāng]
斑點分光
英文
eckle ectroscopy- 斑 : Ⅰ名詞(斑點; 斑紋; 污點; 瑕疵) spot; speck; speckle; stripe; stain Ⅱ形容詞(有斑點或斑紋的) spo...
- 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「、」)...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 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) ...
- 斑點 : spot; stain; speckle; freckle; fleck; dot; splodge; splotch; burl; flick; macula; measles; tache
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It has been shown that when the partially coherent beams propagate in the atmosphere, it may be less affected by turbulence than are fully coherent ones. moreover in laser fusion a highly coherent beam is transformed into a partially coherent beam, for reducing the speckle and for getting more smooth focused spot
例如,部分相干光在大氣中傳輸時所受大氣騷動的影響要比完全相干光小得多;並且部分相干光束具有光強比較均勻,對散斑低靈敏等優點而被應用於激光核聚變等領域。The doctor must make certain that there is no other cause of visual loss such as macular degeneration, macular hole, nearsightedness, farsightedness, astigmatism, epimacular membranes, cataract, amblyopia ( " lazy eye " ), previous retinal detachment, or circulatory problems
醫生必須先確認並非其它因素的造成的(諸如斑點惡化,眼中穿洞,近視,遠視,散光斑點膜,白內障,弱視,早先的視網膜分離或是其它問題)才可以考慮用於手術治療。For the hyper accuracy interpolation technique, which resolves the accuracy limitation of pixel physical size, derives out the star spot interpolation accuracy limitation based on the star spot mathematical model and photoelectric statistics
針對克服像元尺寸對測量精度限制的超精度內插細分技術,在建立了星點光斑數學模型的基礎上,利用光電統計理論,推導了星點光斑內插細分精度的極限公式。Mel 80 is very fast with all the technology of carl zeiss meditec involved in this refractive laser system. very fast mel 80 is super fast, it shortens ablation times remarkably
Mel 80準分子激光系統具有速度快光斑小精確性高等特點,可與角膜地形圖像差儀器互相結合,實現個人化激光矯視療程。The laser power is detected through the pd ’ s movement across the faculous region. when the value of the peak value of laser power is got, the power of the facular boundary points can be found according to definition of the facular boundary such as “ 1 / e ~ 2 ” theory. then the equation of the facular boundary can be made fitting by using the least square method, and calculate the beam divergence at last
採用兩個光電探測器分別檢測光束不同高度上的兩個光斑,在確定光斑中心最大光強值后,根據光斑截面尺寸的1 / e2定義,得到光斑截面邊界點的光強值,並以其為標準判定光斑截面的邊界點,對探測到的邊界點通過最小二乘法進行擬合,得到橢圓光斑截面的方程,根據空間幾何關系求出發散角。The small scanning - spot excimer laser corneal system was developed based on flying - spot scanning model
摘要以飛點掃描切削模式為基礎,研製小光斑飛點掃描準分子激光角膜屈光矯正系統。Based on the relationship between the change of the cornea thickness and optical path length, the ablation profile for the correction of wavefront aberration is presented and simulated on computer. the process of scanning - spot excimer laser is studied and simulated on computer. models for calculation of residual wavefront aberration on situations of lateral decentration and torsional misalignment are brought up
使用改變光程的方法建立起波前像差與角膜切削量之間的關系,並對像差矯正模型進行計算模擬;深入研究了小光斑準分子激光飛點掃描模型,對飛點掃描過程進行計算模擬;提出了中心偏移和旋轉情況下剩餘像差計算模型,為定量研究切削中心定位精度對像差矯正的影響提供了依據。It can provide higher speed and alleviate the spectral degradation which usually goes with the existing algorithms, as well as constrain speckle noise of radar images. in respect of image fusion algorithm, the fusion rules and operators are essential. a new set of fusion rules and corresponding operators are given in this thesis
實驗證明,在融合源圖象特性差異較大的情況下,該演算法與已有的基於小波分析的遙感圖象融合演算法相比較性能更優,具有運算速度快、減少光譜退化的特點,並能在一定程度上抑制相干斑噪聲。This paper introduced in detail the whole structure and functions of new dvd optical pickup parameter adjusting equipment and its various components, discussed the difficulties during designing and developing the adjuster, mainly including : the mechanical adjusting table, optical pickup clamping and pneumatic controlling unit, optical pickup servo control and spot location detecting, and parameter acquiting & graphics display control software
摘要詳細介紹了新型dvd光學頭調整儀的總體結構及各組成部分的功能與作用,並對調整儀在設計開發過程中的一些難點作了初步探討,主要包括機械調整平臺、光學頭夾持及氣動控制單元、光學頭伺服控制與光斑定位檢測單元、以及參數提取顯示控制單元等在設計研發中的基本思想和要點。Firstly, in the thesis, the highway surface track - detecting system being researched by the cooperation of our group with the nanjing university of science and technology has been summed up. sequentially according with the characteristics of the image data captured by the ccd linear array at a high speed, various noise filtering methods are compared in detail, and the effective methods to filter the data in this system is concluded, the filtering program to process the image data is written by turbo c + + 3. 0
第二部分為6 、 7 、 8章,從分析本實驗室和南理工合作研究的高速公路路面車轍檢測系統著手,結合該系統中用線陣ccd高速採集的激光光斑位置圖象數據的特點,通過對各種不同噪聲濾波方式下處理后圖象的比較,最終得出了在我們的路面車轍檢測系統中行之有效的濾波方法。Methods and results we observed the characteristics and its structure of flos carthami and adulterate flos carthami, calcium salt and sulphate which were checked out in adulterate fins cartharni ' s physical and chemical nature, and 3 different colors of flecks which were checked out in tlc of adulterate flos carthami, by some methods of detection such as identification experiences microstructure, physical and chemical nature, tlc, ash content, absorbency and impurity
方法與結果通過經驗鑒別、顯微組織、理化反應、薄層色譜、灰分、吸光度及雜質等檢測方法,觀察了紅花與摻偽紅花的性狀和組織特徵,理化反應中摻偽紅花檢出鈣鹽和硫酸鹽,薄層色譜中摻偽紅花檢出三個不同顏色的斑點。Abstract : a laser damage facilities, which has mm size spot and operates in tem00 mode , were achieved. in order to know the reasons of laser damage, the laser energy density was controlled near the damage threshold of the oxide thin films. according to the examined near - threshold damage morphology, the damage mechanisms of the optical coatings can be divided into two types. one was caused by melting of the coating materials, another by exploding, induced with the inner stress of the film. the plasma generated was an important reason to expand the damage area
文摘:採用毫米量級大光斑的近單模的激光器,控制入射薄膜表面的激光能量,獲得了幾種常見單層膜和增透膜的損傷形貌,實驗結果表明,薄膜的損傷可區分為熔化型和應力型兩種,薄膜表面等離子體對損傷斑點的擴大有重要作用。分享友人