角譜 的英文怎麼說

中文拼音 [jiǎo]
角譜 英文
angular spectrum
  • : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
  • : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
  1. To extract star anise oil and appraise its product with ir

    茴香油樹脂的提純和紅外光測定
  2. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光特性及變異規律,進一步明確了掌握地物光特徵和變異規律是用成像光儀數據提取地物信息的基礎;發現了基於光整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的度變化引起的反射率曲線整體平移的「同物異」現象,對于形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  3. The results showed as follows : ( 1 ) 6 traits are correlative with genomic factors according to analysis of population genetics and comparison of the coherence of twins. ( 2 ) the hereditary mode of rolling tongue or pointed tongue was the dominant heredity of single gene of autosome, and the can - rolling type or can - pointed type was the dominant character

    本文首次從群體遺傳學、家系分析、典型系分析及雙生子分析多個度並結合多種相關數理統計方法,對6項人類學特徵的遺傳方式進行了探討,初步確定了各項特徵的遺傳方式,評價了各特徵的遺傳與環境的相對重要性。
  4. Multispectral data for bathymetry is often performed in relatively clear shallow waters, up to now, no one use multispectral data for bathymetry in estuary waters of yellow river, where the highest sediment concentration in the world has been observed. in another part of this thesis, multispectral data acquired by landsat - 5 tm and in situ data are used for bathymetry in estuarine waters of yellow river. statistical models based on one band and two bands of tm respectively are developed

    利用兩期水深的比對可以揭示黃河水下三洲的沖淤演變規律,但由於實測水深資料獲取較為困難,因而利用遙感來反演水深是一個重要的選擇,為此,本文在黃河口海現代黃河三洲沖淤演變規律與遙感應用研究端走取兩個試驗區進行了多光遙感水深反演試驗,試驗結果表明,在極高泥沙濃度、較強水動力條件的黃河口海域,用多光遙感反演水深是可行的。
  5. The angular part of a continuum wave function is, of course, a spherical harmonic.

    連續波函數的度部分當然是球諧函數。
  6. In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased

    同時採用有機硅單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光與差示掃描量熱儀對產物分子結構進行了表徵,並通過對共聚產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能;從分子設計度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其聚合產物具有較高的力學及耐水性能。
  7. Types of facial makeup in operas initial role is exaggerated her role with striking places and face the veins, using exaggerated by the performance of dramatis personae of personality, psychological and physiological characteristics, and using this to the entire drama circumstances, but later types of facial makeup in operas by kan to complex, from rough to the small, youbiaojili, from shallow to deep, itself becoming a nation of characteristics, to the facial expression means for the pictorial arts

    最初的作用,只是誇大劇中色的五官部位和面部的紋理,用誇張的手法表現劇中人的性格、心理和生理上的特徵,以此來為整個戲劇的情節服務,可是發展到后來,臉由簡到繁、由粗到細、由表及裡、由淺到深,本身就逐漸成為一種具有民族特色的、以人的面部為表現手段的圖案藝術了。
  8. Changes of the nationalist ideas : perspective of genealogical and anti - genealogical views

    論與反系論的視
  9. The angular spectrum method of plane electromagnetic wave propagation gives another explanation for wave propagation

    摘要平面電磁波傳播的角譜法,提供了波的傳播過程的另一種解釋。
  10. The results show that, as for the single - mode transmission, the dispersion relations yet include space - dispersion ( k dispersion ) which relates to angular spectrum of fields of in - waveguide, in addition to the material - dispersion and the waveguide - dispersion

    分析結果表明:對于單模傳輸,色散關系中除了與頻率有關的材料色散和波導色散外,還應包括與輸入端光場的角譜有關的空間色散( k色散) 。
  11. The unfocused hologram of lensless fourier holography are also discussed, and a way to revise the reconstruction image of unfocused hologram is presented. ( 2 ) the reconstruction of image plane hologram is analyzed by plane wave theory. the image plane holograms of transparent and opaque objects are also obtained by using fibers

    ( 2 )用角譜理論分析了像面全息圖的再現過程,採用光纖傳光分別拍攝了透射和反射物體的像面全息圖,並利用頻域法對全息圖進行數值再現,得到了物體較清晰的再現像。
  12. A perturbation method by tight - binding approximation which provide the relation of phase constant and angular spectrum of fields of in - waveguide is presented. the strip width of phase constant can be given. on the other hand, the group delay - time due to the k dispersion in single - mode transmission can also be estimated

    提出一種利用緊束縛近似的微擾法計算陣列波導的相位常數與輸入光角譜的關系,由此算出相位常數的帶寬,並利用衍射方法估算單模傳輸中k色散引起的群延時。
  13. In order to investigate the phenomenon that holograms tend to be deteriorated on baing recorded in photopolymers with shrinkage, a fourier hologram is taken with slant gratings formed by the reference beam and object beams of different space - frequency

    摘要為了分析光致聚合材料記錄的面全息圖在再現過程中發生「擦除」現象,將面全息圖看作由不同角譜的物光與參考光在光致聚合材料內形成的不同傾斜度的光柵總和。
  14. The angle spectrum of inputting optical signals is received by the input surface of arrayed waveguides. whereas the diffraction process of light beam outputed in slab waveguide is a process of " composing frequency and generating image ". the reason that fraunhofer diffractive pattern can be gained on outputting waveguide surface is that output ends of arrayed waveguide distribute on the arch structure which leads bent phase factor to offset the quadratic phase factor in fresnel diffraction

    輸入平板波導內光束的衍射過程是「分頻成」的過程,在陣列波導的輸入面接收到的是輸入光信息的角譜;而輸出平板波導內光束的衍射過程則是「合頻成像」的過程,正是由於陣列波導輸出口排列分佈在圓弧形結構上,其彎曲位相因子消去了菲涅耳衍射中的二次位相因子,從而在輸出波導面上能夠得到夫瑯和費衍射圖樣。
  15. Angular spectrum and application in diffraction

    角譜及其在衍射中的應用
  16. P - polarized reflectance ratio angular spectra of surfaces and its application

    偏振光雙表面反射比的角譜及其應用
  17. When diffraction problems are solved by the angular spectrum theory, high speed and high accuracy can be obtained, especially for near - field fresnel diffraction

    角譜理論來處理衍射光場,不僅速度快,而且在處理近場菲涅耳衍射光場時的準確度是其它方法無法比擬的。
  18. Based on the basic equation, the non - paraxial correction of pulsed beam is obtained by the spectrum analysis technic and the perturbative technic respectively. the result from the above mentioned two technics are compared to each other

    基於上述方程,分別用角譜分析法和微擾法得到了脈沖光束的非傍軸修正,並對這兩種方法所得結果進行了比較。
  19. Firstly, this article introduces the transforming principle and means from airspace to angular spectrum space, then it calculates square hole diffraction, at last it compares the theoretical calculation with the experimental result, which turns out to be good and fit

    本文首先介紹了由空域到角譜域的變換原理和方法,然後對方孔衍射作了計算,並同實驗結果作了比較,結果表明兩者十分吻合。
  20. In this thesis, we present the law and method to generate structured illumination based on fresnel diffraction. by applying rsd theory, we analyzed the spatial distribution of fresnel diffraction field of sinusoidal grating and its available application in 3d sensing

    本文詳細地研究了基於菲涅耳衍射的結構照明的原理和方法,利用角譜理論(平面波衍射理論)分析了正弦光柵的衍射光場的空間分佈及其在三維傳感中應用的可能性。
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