背反射 的英文怎麼說

中文拼音 [bēifǎnshè]
背反射 英文
back reflection
  • 背 : 背動詞1. （用脊背馱） carry on the back 2. （擔負） bear; shoulder
  • 反 : Ⅰ名詞1 （方向相背） reverse side 2 （造反） rebellion 3 （指反革命、反動派） counterrevolutionari...
  • 射 : 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） ...
  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. As they crept along, stooping low to discern the plant, a soft yellow gleam was reflected from the buttercups into their shaded faces, giving them an elfish, moonlit aspect, though the sun was pouring upon their backs in all the strength of noon. angel clare, who communistically stuck to his rule of taking part with the rest in everything, glanced up now and then

    他們一路搜索的時候，腰彎得低低的，以便看得見地上的蒜苗，陽光照射在毛茛上，從上面反射出來的柔和的黃色光線投射在他們背朝陽光的臉上，使他們看上去有些像在月光照射下的虛無縹緲的樣子，盡管此時的太陽正在用中午的全部力量把光線照射在他們的背上。
  3. The reverse side of the mirror should be in continuous contact with air without needing ventilation.

    反射鏡的背面應經常與空氣接觸但無需通風。
  4. At first in the condition of low - velocity impact it is discussed with the formation of ceramic smash cone angle on the base of quasi - statistic hertz and 3 a 6 y a c - theory. then using spherical stress wave reflection and transmission theory under the state of medium - high velocity the formation of spot in the ceramic back. finally the damage mechanism of ceramic suffered by the high impact is simply discussed

    首先，在低速撞擊的條件下，基於準靜態hertz的理論與薩布斯基理論，分析了陶瓷破碎錐角的形成；其次，在中高速撞擊條件下，利用球面應力波反射迭加理論，分析了陶瓷背面的層裂的形成；最後，簡單討論了高速撞擊下陶瓷的破碎機理。
  5. The efficient sppc had been performed with 1 - hz - repetition - rate 532nm nanosecond pulses, in which phase conjugate reflectivity as high as 21. 5 % was obtained. when sppc were operated in ce : batio3 with 532nm, 632. 8nm and 790nm cw lasers, the maximum sppc reflectivity of 54. 1 %, 88. 2 % and 80. 5 % were obtained, respectively. unlike the results reported before that four - wave mixing by stimulated photorefractive backscattering ( spb - fwm ) only exists at short wavelengths while four - wave mixing by total internal reflection ( tir - fwm ) only exists at long wavelengths, both of these two mechanisms coexist at all wavelengths from 532nm to 790nm in our experiments

    通過大量的實驗全面研究了ce ： batio _ 3自泵浦位相共軛特性：在低重復頻率（ 1hz ） 、 532nm調q激光泵浦時最高獲得了21 . 5的位相共軛反射率，而此前報道過的建立位相共軛脈沖光最低重復頻率是10hz ；實驗中發現在532nm 790nm波長范圍內，在不同的波長激光泵浦時，同時存在兩種自泵浦位相共軛機制：全內反射?四波混頻（ tir - fwm ）和受激背向散射?四波混頻（ spb - fwm ） ；在連續激光泵浦時，對532nm 、 632 . 8nm和790nm三種波長，最高分別獲得了54 . 1 、 88 . 2和80 . 5的位相共軛反射率；同時還研究了自泵浦位相共軛光的時間穩定性。
  6. In photography, a halo around bright highlight areas caused by light reflected from the back of the negative

    拍攝亮物時，影象周圍現出的一種暈圈，它是由底片背面的反射光形成的。
  7. This dissertation bases on the research of battlefield armored reconnaissance tank system, which is a very important reconnaissance & information reception means for our country ? digital armored troops. the zzco2 radar armored reconnaissance tank system is the collector of radio information by use of the radiation and reflection of electromagnetic wave, at the same time it is a system which saves, processes and transmits the radar information picked up. the content of this dissertation involves the design and development of zzco2 ? software system

    本論文以我軍裝甲機械化部隊坦克師的戰場裝甲偵察系統的研製為背景撰寫。該系統是我國數字化裝甲部隊的重要偵察和信息獲取工具。其中zzc02型雷達偵察車（型）是該系統的前沿偵察車，是不可見電磁頻段的雷達信息的收集者，是以電磁波輻射、反射作為信息獲取的主要手段，以計算機主機為中心的信息採集、處理、存儲和傳輸系統。
  8. These emission peaks are located in the directions of the specular reflection of laser, the target normal and the back - reflection of laser respectively

    這些超熱電子發射峰分別沿著激光反射方向、靶法線方向和激光背反射方向。
  9. The whole body echo area health massage, the whole body medium guidingreflexotherapy, the book of changes massage, 砭 the qing stonereflexotherapy, the back spinal column reflexotherapy, the footreflexotherapy and so on

    全身反射區保健按摩、全身介質導引反射療法、易經按摩、砭磬石反射療法、脊背脊柱反射療法、足部反射療法等。
  10. For the sake of the best reflectivity, the optimized zno : al film thickness of 1000a was achieved by theories calculation and exprimental analysis. the n - c - si, which could endure the grain bombard, was used as n - layer of the solar cell with znoral / al back reflector well

    與背電極緊密接觸的n ? si中， n ? c ? si的耐轟擊能力較強，與背反射電極的匹配較好，所以在非晶硅電池上應用n ? c ? si可以提高背反射電極的增反效果。
  11. The overall design of the double reflector optical - electronic theodolite is studied on the background of " the x small remote - control optical - electronic theodolite "

    以「 x小型遙控光電經緯儀」為背景，研究了雙反射鏡式光電經緯儀的總體設計。
  12. At the same time, this paper pointed that the topological optimization method can be used in the lightweight design of the back contour of the primary mirror

    同時本文還提出，可用拓撲優化的方法進行主反射鏡鏡背的輕量化設計。
  13. Less energy is lost this way than the use of a mirror, which absorbs energy during both transmission within the mirror material and reflection from the thin metallic film on the back of it

    光能損失較普通玻璃鏡少，因為普通玻璃鏡會在傳送在鏡的物質里和反射由鏡背的薄金屬層過程中吸去能量。
  14. A program was set up using visual basic 6. 0. the results show that the visible fruits under direct sunlight or backlighting condition were identified with an accuracy of 100 %, however, intense background sunlight will cause poor fruit illumination and poor segme ntation results. it is widely known that there is thermal radiation difference between citrus and leaves

    分別在順光條件和背光條件下進行了試驗分析，結果表明該識別模型可以實現對樹上可見的柑桔的識別，並適用於單個和多個果實的識別，識別率為100 ，但在順光條件下，當背景（雜草）反射光較強時，則存在混淆區域。
  15. Using wavelet - based multi - scale transform to detect infrared target, it is possible to acquire modulus image to segment citrus from background under direct sunlight conditions, whereas it is difficulty to identification because of the confusion of the reflected light from leaves under backlighting. the method is very sensitive to the ambient air condition, such as in condition b or c, the identification is very difficult

    用該方法可以較好地識別順光條件下採集的紅外熱圖像中的果實，而在背光條件下，由於位於樹冠邊緣的樹葉反射光較強或穿過樹冠的光使周圍的樹葉光反射較強，使果實在紅外熱圖像中的溫度或灰度低於反射光強的樹葉等部分，則不能識別。
  16. The peak in the direction of the target normal is consistent with mat of predicted by the resonance absorption and another peak of hot electrons emission in the specular reflection direction is due to the multi - acceleration mechanisms. the hot electrons emission along the back - reflection direction is probably caused by the acceleration of the back - reflection laser, which is for the first time put forward by us

    其中，靶法線方向的超熱電子發射峰與共振吸收（ res ~ eabso甲tion ）機制所預言的一致;根據理論估算提出激光反射方向的超熱電子發射峰是幾種加速機制共同作用的結果;我們首次提出背反射激光加速超熱電子的新機制，並用此機制解釋了激光背反射方向產生的超熱電子發射峰。
  17. Many measures were adopted to decrease bombard in order to improve the solar cells propertivity, such as decreasing target voltage, increasing target distance, accelerating the movement of the substrate. by optimizing the experimental conditions, short - circuit current was increased by 3. 7ma / cm2, the conversion efficiency was increased by 2 %, the stability was improved

    在硅薄膜電池的zno ： al al背反射電極應用方面，通過減小靶電壓、適當增加靶距和基片的運行速度來減小對電池的轟擊，改善電池性能，通過優化實驗條件，使電池的短路電流提升了3 . 7ma cm ~ 2 ，效率增加了2 ，穩定性得到改善。
  18. Seismic wave field feature of ordovician carbonate karst reservoir ( cave, reef, hole, crack and cranny ) in tahe oil field is the difference magnitude diffraction wave over weak reflection amplitude, so, the diffraction wave exact imaging and fidelity amplitude processing is the basic of carbonate karst reservoir study

    摘要塔河油田巖溶儲集體（洞穴、礁灘、孔洞、裂縫或裂隙等）的地震波場特徵是弱反射背景之上的強弱不同的繞射波，因此，繞射波準確歸位成像和振幅保持是研究巖溶儲集體的基礎。
  19. Back - reflection pinhole camera

    背面反射針孔照像機
  20. Back - reflection focusing came

    背面反射聚焦照像機
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