集合反射 的英文怎麼說

中文拼音 [fǎnshè]
集合反射 英文
convergence reflex
  • : gatherassemblecollect
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  • 集合 : 1 (聚集) gather; assemble; muster; call together 2 [數學] [自動化] [計算機] assemblage; set; co...
  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、波段組進行了評價,提出了適用於荒漠化監測的基本波段選擇;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率曲線整體平移的「同物異譜」現象,對于譜形相似而整體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演的有力工具;建立了荒漠化監測主要評價因子的定量演模型,並分析了模型的適用性。
  2. We collect distributing of near - field of optical switch output - port. using gaussian curve fit, we measure the extinction ratio of " bar channel " is 8db, and the extinction ratio of " cross channel " is more than 18db

    利用紅外攝像機採的光開關輸出的近場分佈,採用對場光場能量高斯擬的近似方法,測得該關注入光開關的直通端的消光比可以達到8db ,而端的消光比則至少可以達到18db以上。
  3. A new laser source of optical communication, erbium - ytterbium codoped phosphate glass waveguide laser that was provided with more prominent performance than semiconductor distribution feedback ( dfb ) laser, has been investigated globally from 1990s. the laser can meet many rigorous demands of wdm systems. the 1. 54 m laser emitted by the laser accords with the interrelated standard of international telecommunications union ( itu ), therefore, a splendent foreground can be predicted about this kind of laser in future optical communication

    基於鉺、鐿摻雜磷酸鹽玻璃基片的光波導激光器是一種新型通信光源,具有傳統的分佈饋半導體激光器所不能比擬的優點,能滿足波分復用/密波分復用技術對光源提出的諸多高新要求,所發的1 . 54 m激光符國際電信聯盟規范,在未來光通信中有著廣闊的發展前景。
  4. Abstract : in the field of optical wireless links, concentrators that are designed by the tools of nonimaging optics can be used to collect the light radiation and are more compact and have higher collection efficiencies than imaging concentrators. hemispherical concentrators are studied by ray tracing, then for several normal nonimaging concentrators : hemispherical concentrators, compound parabolic concentrators ( cpc ), dielectric totally internally reflecting concentrators ( dtirc ), simultaneous multiple surfaces concentrators ( sms ) and inhomogeneous media concentrators ( poisson bracket ), the design methods and the performances e. g. the gain and the field of view ( fov ) are compared as well as the application suggestion

    文摘:在無線光通信領域,利用非成像光學設計的中器能夠聚光輻能量,而且相對于成像性中器具有更緊湊的結構和更高的增益.利用光線追跡法對半球形中器的性質進行了分析與研究.對好幾種非成像中器:半球形中器,復拋物線形中器,介質內部全中器,多表面中器,多相介質中器,從設計原理、增益和視場進行比較,並分析其應用場
  5. The result shows that under the effect of repeated impact load, the stress wave produces reflection in the metallurgical junction plane between coating and basal body, and forms stretch wave causing longitudinal split and angle split of coat ; the microcosmic spot pitting and deep layered peeling off occur in coating surface due to stress concentration ; the energy accumulation of impact loading causes rigidity variation and plastic deformation

    結果表明:在多沖載荷作用下,應力波在塗層和基體的冶金接面發生,形成拉伸波造成塗層的縱裂和角裂;在塗層表面由於應力中,塗層表面發生微觀點蝕和深層剝落;沖擊載荷能量的積累,造成塗層試樣硬度變化和塑性變形。
  6. It is based on the principle : under a number of angles, the x - ray attenuation in a cross section of a human body is measured by detector resulting in a set of profiles. this set of profiles is called the radon transform of the object in mathematics. the problem now is to reconstruct a two - dimensional image via inverting its radon transform

    它所基於的成像原理是:人體的某個剖面在若干個角度上被x線束照,照后x線的衰減量被檢測器記錄下來,形成投影,數學上將這個投影描述為該剖面的radon變換,通過演radon變換就能夠重建剖面的二維圖像。
  7. Computerized tomography ( ct ) is a typical non - invasive examination techniques in medicine, which can depict anatomical structures without damaging the human body. lt is based on the principle : under a number of angles, the x - ray attenuation in a cross section of a human body is measured by detector resulting in a set of profiles. this set of profiles is called the radon transfoim of the object in mathematics. the problem now is to reconstruct a two - dimensional image via inverting its radon transform

    它所基於的成像原理是:人體的某個剖面在若干個角度上被x線束照,照后x線的衰減量被檢測器記錄下來,形成投影,數學上將這個投影描述為該剖面的radon變換,通過演radon變換就能夠重建剖面的二維圖像。
  8. On the basis of research available and through seven aspects : the family structure, vocational structure, the structure of the mode of life, psychological and cultural structure, income structure, organization structure and social identity, the thesis reflects the process of urbanization in the community between rural and urban areas, especially demonstrates the unique characteristics of urbanization in the community between rural and urban areas of the east of china by taking shui village and kong village in anning district lanzhou city of gansu province as the example and using the advantage of multiple subjects such as sociology, anthropology, economics, etc. the transition of the community between rural and urban areas is their imitation and incorporation into the urbanization, and the effect of their spread and radioaction

    本研究在已有研究的基礎上,應用社會學、人類學、經濟學等學科的綜研究的優勢,以蘭州安寧區水村和孔村為例,通過對兩村家庭結構、職業結構、生活方式結構、心理文化結構、收入結構、組織結構和身份認同等七個方面的實證研究,映了城鄉結部的城市化進程,特別是映了中國西部內地城市化進程獨特的特點。城鄉結部轉型過程是城鄉結部自身模仿、融入城市以及城市的擴散輻效應嵌入的過程;城鄉結部是許多矛盾、困惑及經驗映最中的場所;同時是將漫長的城市化進程濃縮在一個短期內進行的相對較小的區域。
  9. The method is demonstrated by using real data of airplane. the airplane isar image is evidently enhanced, and the physics - based feartures of scattering centers is gained by the method

    依此框架完成了對飛機目標isar圖像有效的增強處理,提取到了映成像目標結構特徵的點散中心
  10. A infrared system with which can detecte the pulse of human. because human body are semitransparent, and the transparence of it change along with the heart beat. the infrared sensor can detecte the change, we may tanslate the signal from sensor into a digital form by a cmos ic. when the signal change into a digital form, another ic can get the rhythm of the heart from the analog ic. this article designed the anologe ic which got the sensor signal into digital form

    本論文完成了一個基於型紅外線傳感器的cmos模擬專用成電路的設計,它構成的紅外系統具有探測心跳頻率的功能。設計根據人體組織的半透明度會隨心臟跳動而變化的特點,由傳感器探測到這一變化,通過專用成電路將信號放大並利用,獲得心跳頻率。本模擬晶元結數字電路可計算即時心率或統計心跳總數。
  11. Nondestructive testing is a very important and difficult research lesson about the defect of concrete structures. this paper mainly measures the stress waves conveying in concrete structures and the depth of surface - opening cracks in concrete plates by using impact echo method after carefully reading a lot of articles about the state and the abroad of concrete nondestructive in the field and incorporating the special conditions on the laboratory

    混凝土結構物的缺陷的無損檢測是一個非常重要而又非常困難的研究課題,本論文在大量參閱了國內外關于混凝土結構物無損檢測的研究資料后,結本實驗室的具體條件,應用沖擊中對應力波在混凝土板塊內傳播速度和混凝土結構物內部開口裂紋深度的測量等一系列問題展開了研究。
  12. Right now the binding generator doesn t know what kind of content is present in a java collection or other untyped reference, so the generator just leaves it to the user to modify the generating binding and add the appropriate content ; once the generics reflection code is added, the generator will instead be able to get type information directly from generics for users of java 5

    現在綁定生成器不知道在java(或者其他無類型的引用)中出現的是什麼樣的內容,因此生成器讓用戶修改生成的綁定並增加相應的內容;加入泛型代碼后,對于使用java 5的用戶,生成器將可以從泛型中直接得到類型信息。
  13. The main work of the thesis is as follows : we design a novel omni - mirror more applicable in robocup, which is made up of an isomeric horizontal mirror and an isomeric vertical mirror and can make the resolution of the imaging of the objects near the robot on the field constant and make the distortion of the imaging of the objects far from the robot small in vertical direction ; we select a 1394 digital color camera and complete the development of its software program for data acquisition ; we design a image processing algorithm for the panoramic image, which can segment the image by color, extract the features of image fast and effectively and complete the recognization of target ; according the character of the imaging, we design a new fast hough transform algorithm for line detection, which can detect the white mark lines of the field realtimely, and then design a robot ’ s self - localization method based the mark lines, which only uses the information of omni - vision system ; finally we design a monte carlo localization method based on the information of omni - vision system and odometry, and present the localization results of two localization methods and analyze the experiment results and get the conclusions

    本論文的主要工作如下:設計了一種新的更適用於機器人足球賽的全向鏡面,該鏡面由水平等比鏡面和垂直等比鏡面組而成,能夠使機器人近處一定范圍內水平場地上的物體成像解析度不變,遠處物體成像高度上變形較小;選擇了一款基於1394介面的數字攝像機,並完成其數據採程序開發;針對全景圖像設計了圖像處理演算法,能夠快速有效的實現圖像顏色分割和圖像特徵提取,完成目標識別;根據全景圖像的成像特性,設計了一種新的用於直線檢測的快速hough變換演算法,能夠實時的提取出場地的白色標志線,並在此基礎上設計了完全利用全向視覺信息的基於標志線的機器人自定位方法;最後設計了一種基於全向視覺信息和里程計信息的montecarlo定位方法,給出兩種方法的定位結果,並分析實驗結果,給出結論。
  14. In this thesis, a novel structure of silicon - based passive ring waveguide resonation cavity is firstly introduced and designed. the design is combined with the mems technology, which gets rid of the curved waveguides in the previous waveguide ring resonation cavity and facilitates optical integration. the structure has characteristic of " the smaller the resonation cavity, the smaller the loss ", which has a promising future of miniaturization and fits the field of resonation rmog

    本文首次提出並設計了一種新結構的硅基無源環形波導式諧振腔,該設計與微機械技術相結利用鏡實現光波導直角轉彎,擺脫了以前的波導式環形諧振腔中必需包含的彎曲波導,易於光學成;同時該結構具有諧振腔越小損耗就越小的特點,有很好的微型化前景,很適應用於諧振式微光陀螺( rmog )領域。
  15. Due to its advantages of having no end - facet reflection, easy extension to a multi - port configuration, high tolerance for fabrication errors, and compact size, the tapered mmi is a good candidate for a coherent lightwave combiner to be used in large - scale photonic integrated circuits

    鑒于無後向,容易擴展為多口配置,對實驗誤差有大的允許度和尺寸緊湊等優點,這種錐形多模干涉的波器是大型光子成中所用的相干光波波器的理想選擇。
  16. The dots array modulated by the surface of the object to be measured can be taken by a camera and measurement parameters are recorded, then the 3 - d contour of the object measured can be obtained by processing the data gathered

    測量時,只要用相機採被測物體的調制點陣像和記錄相應的測量參數,就可通過數據處理擬出物體的輪廓。
  17. Become floor surface of the mirror series adopt surface of the mirror treatment technology, make ground reflect light degree very much high forever, it can be debated that even inverted image of the furniture is clear after decorating, reach the reflection result of surface of the mirror, it regards its unique noble makings as you and builds a beautiful and penetrating field, collect environmental protection, beautiful, characteristic of using etc. on all over, realize perfect combination, consumer of ideal

    永成地板亮光鏡面系列採用鏡面處理技術,使地面光度極高,鋪裝后連傢具的倒影也清晰可辯,達到鏡面效果,它以其獨特的高貴氣質為您營造一個亮麗通透的田地,環保、美觀、使用等特性於一身,實現了消費者理想中的完美結
  18. Bin stack technology, effectively integrating acquisition and processing technology, is the continuity of high precision 3d acquisition, aiming at increasing reflecting energy, resolution and s / n ration through small bin size acquisition, enlarged bin size processing and increasing cmp fold times. besides 3d acquisition, bin stack can also be used in 2d acquisition

    面元疊加技術,是高精度三維地震的延續,它有效地把採技術和處理技術緊密結為一體,通過小面元採、擴大面元處理,提高cmp面元的疊加次數,以達到提深層能量、提高解析度、信噪比的目的。
  19. Aluminium and aluminium alloys - anodizing - measurement of reflectance characteristics of aluminium surfaces using integrating - sphere instruments

    鋁和鋁金.陽極氧化.用成球形儀器測量鋁表面特性
  20. A resolution of 5. 7nm is archived, when a single mode fiber is used

    研製出了式混成微型光纖光譜儀樣機。
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