象差特性 的英文怎麼說

中文拼音 [xiàngchātèxìng]
象差特性 英文
aberration characteristic
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. 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，對高光譜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譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜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角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜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；像元的導數光譜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。
  2. In chapter five, the research work focus on color gamut transform correction in panel display. a method of color gamut transform correction which introduces the concept of virtual gamut space is presented to solve the problem of luminance and chromic disuniformity which arises from the differentia of chromic and drive characteristics of each module or pix on the same display panel. and the high quality of image displayed on the panel is ensured

    提出了克服同一種平板顯示屏由於各個顯示模塊（顯示象素）的色度空間特性和中國科學院長春光學精密機械與物理研究所博十學位論文基十擬合逼近理論的平板圖像顯示技術研究基色驅動顯示特性的差異而造成的平板顯示屏色度和亮度分佈不均的有效方法，解決了平板顯示屏的全屏幕亮度、色度一致化的問題，保證了高質量視頻圖像的顯示。
  3. By means of stress - strain feature of upper and lower strata of fold neutral plane in the course of longitudinal fold formation, the differences between the upper coal bed and lower coal bed of fold neutral plane are analyzed from the coal thickness, coal structure, coal body structure, coalbed gas occurrence and diversities etc., revealing the cause of these appearances

    摘要利用縱彎褶皺變形中中和面上下巖層的不同應力與應變特點，分析了處于褶皺中和面上下各煤層在背斜與向斜部位煤層厚度、煤層構造、煤體結構及煤層瓦斯的賦存規律與差異性，揭示了這些現象產生的原因。
  4. Based on the rate equation and the temperature characteristic of the ld, the temperature control object model and the temperature control error of dfb - ld are analyzed. then the power and wavelength output characteristic is farther analyzed

    首先從ld的溫度特性入手，分析了分佈反饋式ld （ distributefeedbacklaserdiode ， dfb - ld ）的溫度控制誤差、溫度控制對象。
  5. How to distinguish the sliding zone from a loess landslip relied on the technician ' s experience in - site. 4 typical loess landslides located in jingyang county along jinghe river, named dongfeng landslip, shutangwang landslip, xiuchidu landslip and taiping landslip were studied through in - situ measurement and sample tests to identify the sliding zone

    摘要以陜西徑陽縣徑河沿岸4個典型黃土滑坡為研究對象，通過現場勘察和采樣試驗，探尋滑帶土的物理特性和結構特徵差異，以期在實踐中為確定滑動面位置提供可靠依據。
  6. In order to analyze the influence of airplane noise on indoor sound environment in the vicinity of beijing international airport, different of buildings, such as villages, schools, offices, commercial building are choose as monitoring objects, the characteristic of sound insulation for building around beijing international airport are monitored and analyzed

    摘要為較好的分析飛機噪聲對機場周圍居民室內聲環境的影響，研究選擇不同類型的民居房、學校（多層建築） 、基層機關辦公用房、商品房等為測試對象，對北京國際機場周邊地區建築物隔聲特性（插入損失）進行監測與分析，結果表明：現有民居、學校、機關辦公室的隔聲特性較差，商品房的隔聲效果較好。
  7. This thesis serves both as a survey of the interaction between hakka culture and elementary education in the hakka regions and an analysis of the value of the educational ecology of hakka culture, displaying the features and the ecological significance of hakka traditional education as well as clarifying the ecological function of inheriting and innovating hakka culture. it tries to makes an investigation into the differences in elementary education and the cultural ecology in the hakka regions, taking yongding, fujian province as a case study

    本文考察了客家文化與客家區域基礎教育的互動關系，分析了客家文化的教育生態價值，挖掘了客家傳統教育的特徵及其文化生態意義，闡發了基礎教育傳承、創新客家文化的生態功能，並選取福建省永定縣作為個案分析的對象，對客家區域基礎教育及其文化生態的差異性進行了調查與思考。
  8. The researches of dynamic behavior and liquefaction potential of saturated sands have been further. however, more and more macroscopic liquefaction phenomena and experimental investigations show that different depositional environments lead to different structure of soils, while the influence of structure property of soils on liquefaction resistance is no less than that of density and consolidation stress and so on. ancient alluvial flat deposits, namely recently deposited soils, are easier liquefaction during earthquake

    對於一般飽和砂土的動力特性和液化勢的研究已比較深入，然而，愈益增多的宏觀現象和試驗研究表明，由於土的沉積環境不同而導致土的結構性的差異，而土的結構性對抗液化能力的影響並不亞於密度、固結壓力等因素，古河漫灘堆積物即新近沉積土在地震當中更容易液化。
  9. In view of the fact that prediction of creep and shrinkage with current bridge provision for specific concrete under specific ambience sometimes has a big discrepancy with real values, a new method to obtain the expressions of creep and shrinkage from newly - built pc bridges short - term test results is presented, and relative equations have been established. therefore, a reliable long - term prediction on effect due to creep and shrinkage in pc bridges holds a firm bearing point

    研究中發現某一特定環境下工作的混凝土用現有規范公式預測得到的徐變、收縮特性常有偏差較大的現象，由此提出了從新建預應力混凝土橋梁短期試驗結果推算梁體相應素混凝土在工作環境下的徐變、收縮特性的思想和方法，並建立了計算式，為新建預應力混凝土橋梁可靠的徐變效應分析提供了前提和保證。
  10. Although the research on regional characteristic and difference was dominant in geography thoroughly, traditional positive research on economic location and contacts was weak in quantitative methods, one of the main reasons was the shortage of statistic data

    隨著社會經濟的發展，區域內部和區域之間的各種社會經濟現象的聯系更加密切與復雜。地理學對于區域特性和差異的研究已經非常深入，而對區域之間經濟聯系的實證研究還相對薄弱。
  11. After expounding vr concept and its characters, the necessity and rationality of vr existence and its application in cad / cam, several other aspects are studied : first, the three kinds of stereoscopic display theory are set forth and the research is focused on the theory which is based on parallax and discussed from the aspects such as the physical basis of the third dimension production, the influencing factors of third dimension, the theory and arithmetic of drawing stereoscopic figures etc ; second, the difference among vr, other interaction methods and vr ' s status are studied from the perspective of human computer interaction development, the cognitive psychology model of vr interaction is analyzed and a classification study on vr is done according to different operation missions and metaphors ; third, the concept of virtual design is given out based on the research on its other concepts, then the difference among vr, cad and the realization of virtual design are studied

    在闡述虛擬現實的基本概念與特性、存在的必要性與合理性，以及在cad / cam方面的應用的基礎上，本文深入研究了: 1 .虛擬現實的三種立體顯示原理，著重於基於視差方式的立體顯示，從以下幾個方面進行了多角度的探討:產生立體感的生理基礎，立體感影響因素，立體圖繪制原理與演算法等。 2 .虛擬現實的交互原理，從人機交互的發展角度研究了虛擬現實與其它交互方式的異同以及它所處的地位，分析了虛擬現實交互的認知心理學模型，並按作用於對象的任務不同和交互隱喻方式的不同對虛擬現實的交互方式進行了分類研究。 3 .虛擬設計，在研究虛擬設計的各種定義方式的基礎上定義了本文中虛擬設計的概念，研究了它相對于傳統cad的不同之處，以及虛擬設計的實現規劃。
  12. Due to the advantages such as short response time, easy operation, and convenient to comprehend the wavefront modes, the hartmann wavefront sensor ( h - wfs ) is widely utilized nowadays in real - time adaptive optics system, turbulence statistical characterization, optical components test, light quality evaluation, laser atmosphere communication, the wavefront correction of ultrahigh power laser pulses, as well as human eye aberrations measurement. the detection accuracy is important to the performance of the whole optical system. considerable efforts have been performed in the investigation of h - wfs wavefront detection techniques in past years

    哈特曼波前傳感器具有實時探測，易操作，可以直觀顯示波前畸變分佈等優點，被廣泛地用作自適應光學系統的波前信息探測和波前畸變補償，大氣湍流統計特性表徵，光學元件檢測，光束質量評價，超強激光脈沖波前整形，激光大氣通信以及人眼象差測量等各個領域之中，其探測精度的高低對整個光學系統的工作性能有著極其重要的影響。
  13. There are many plants that have the character of time - varying, large delay, large inertia in the process of production of modern power station such as the superheated steam temperature, the reheated steam temperature, the water treatment of boiler and the load regulation. some of them have the strong character of nonlinear and some of them are multivariable coupling systems it is very difficult to obtain good effect of control by conventional pid control. it is necessary to set up the mathematics models of controlled plants if applying control means of modern control theory such as self - adaptive control, optimal control ， decoupling control and predictive control. and these control systems have large calculation and bad character of real time in general. these disadvantages make them be not able to meet the need of real production process and limit the application of them in modern power station. now the generator units are developing towards large capacity and high parameters. many new kinds of generating electricity means are coming into being. the characers of production units of power station become more and more complex but the demand to quality of control becomes more and more strict. the new control means are in bad need to control them effectively

    現代電站的生產過程中存在過熱汽溫、再熱汽溫、鍋爐水處理、負荷調節等許多大遲延、大滯后、特性時變的對象，它們中有些還是具有強非線性特性的對象或多變量耦合系統，採用常規的pid控制手段很難取得良好的控制效果。若應用現代控制理論中的自適應控制、最優控制、解耦控制、預測控制等控制手段，則需要建立被控對象的數學模型，而且往往控制系統的計算量大、實時性差。這些缺點使其很難滿足實際生產過程的需要從而極大地限制了其在現代電站中的應用。
  14. 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。
  15. Algorithms of video segmentation that are good adaptive character and real time are crucial to the final mpeg 4 coding products there exist the contributions in this dissertation as follows obtaining the edge of video objects is crucial to the video segmentation, author researches the features of human being visual, especially giving a description of mach band that is usually used in the image processing, and builds a model of mathematics, researching the mach band of color image

    （ 1 ）視頻分割的關鍵是獲得視頻對象的邊界，邊緣檢測很重要，本論文以人類的視覺系統的特性為出發點，對圖像處理中經常應用的馬赫帶現象進行了詳盡的分析並進行了數學建模，研究分析了彩色圖像的馬赫帶現象。在對馬赫帶圖像分析的基礎上，得出了人類視覺系統對圖像邊緣能識別的最小灰度差和彩色差曲線。
  16. First, the paper makes the analysis of diffusion process of high - tech consumer products based on the theory of communication and consumer behavior, including information communication process and purchase process. we can see specific receiver, appropriate time, reachable channel and correct information can bring effective communication of information. purchasing power, product feature, perceived risk, definite knowledge of product and usage, consumer habit, purchasing environment and buying time all influence purchase behavior of consumer

    首先應用傳播理論和消費者行為理論，通過對高科技消費品市場化過程的分析，包括對企業信息傳播過程的分析和消費者購買過程的分析，得出信息有效傳播依賴于明確的目標對象、恰當的傳播時機和渠道選擇以及不會存在理解偏差的信息；消費者購買能力、產品特性、消費者知覺到的風險、消費者有限的產品知識和使用知識、消費者習慣、購買環境、購買時間都會影響到消費者的購買行為。
  17. Sanya against competitive golf market, the difference of the visual image of the unique customs particularly important in fully embody inherent advantage, building brand image comprehensive upgrade to the first position, increase the competitiveness of the core brand

    面對競爭激烈的三亞高爾夫市場，視覺的差異化、形象獨特性尤關重要，在充分體現內在優勢外，品牌形象全面建設提升到第一的位置，增加品牌核心的競爭力。
  18. The network weights are regulated according to the error between the reference model and the plant, and the structural uncertainties and unknown disturbances are counteracted on line by the neural network

    該控制器根據被控對象和參考模型之間的誤差調整網路權值，在線抵消被控對象的未建模動態特性和不確定因素。
  19. Several influence factors to result plasma drift in hainan were analyzed. in this paper the characteristics of ionospheric parameters variation were analyzed systematically and some new results in storm - time such as seasonal behaviors were obtained ; it is the first time to investigate the ionospheric drift behavior in hainan and some new results was obtained, the relationships between each two plasma drift velocity components in storm time in hainan were found and the electric filed variation in hainan ionosphere also was obtained ; the results also show that there are big differences of the ionosphere parameters bo and bl obtained from the data with that obtained from the iri - 2001 applied for hainan ; a new phenomena was found during a strong magnetic storm, that a layer with very strong electron density and density grad was found during the recovery phase of the storm, its horizontal scale is beyond 100km and temporal scale is about 2 hours, this phenomena repeated 3 times continuously. a type of negative disturbance in high and low latitude but positive disturbance in east - asia also has been found

    本文較為系統地給出了海南地區電離層的參數變化特徵，特別是得到了一些暴時與以往不同的季節特性；第一次給出了海南地區的電離層等離子體漂移特徵，發現等離子體漂移暴時擾動在三個方向上有內在的聯系，得到了電場變化曲線；研究結果還表明海南電離層的半厚指數和形狀參數等與國際參考電離層iri - 2001存在很大差別；通過對強磁擾動事件期間的參數變化特性分析發現，在磁暴恢復相期間海南地區電離層底部存在一個電子密度非常大的高密度區，高密度區底部電子密度梯度隨高度急劇增加，該區域的水平尺度可達100公里以上時間尺度約為2小時，連續出現過三次，這是一個在海南從來未發現的新現象；研究還發現了暴時東亞地區電離層擾動會出現高低緯負相而中緯正相的現象。
  20. It is always impossible to obtain accurate mathematics model for the practical industrial processes. the model under which the controller is designed is usually different to the real plant owing to model reduction, linearity approximations and the ignoring of the dynamics difficulty for modeling, the changing of the operating environment and other unmeasurable disturbances

    在實際工業過程式控制制中要想完全準確地建立被控對象的數學模型是非常困難甚至是不可能的，通過模型降階近似，非線性特性的線性化近似，以及忽略對象難以建模的動態特性、外部工作環境的變化和各種不可測干擾之後所得到的對象模型跟實際對象的特性存在一定的差距，這種差距往往可以看成是系統模型的一種不確定性。
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