波段表 的英文怎麼說

中文拼音 [duànbiǎo]
波段表 英文
frequency-range table
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : Ⅰ量詞(部分) section; segment; part; paragraph; passage Ⅱ名詞(姓氏) a surname
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • 波段 : [電學] wave band; wave range; band; range; frequency range; frequency band
  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,對高光譜數據不同的數據質量、組合進行了評價,提出了適用於荒漠化監測的基本選擇集;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;研究還明在植被「紅邊」范圍內的是進行荒漠化監測的主要特徵,這些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. Also, they were favor for further explanations and canalization. the results of solar heating rate and infrared cooling rate and the model output were displayed as data forms and curves in the paper

    文中將加熱率和冷卻率的計算結果以及與之相關的模式計算結果(可見光的大氣輻射收支和紅外的大氣輻射收支)以數據和曲線圖的形式列出。
  3. Each color in this image represents a different region of the electromagnetic spectrum, from x - rays to infrared light

    圖中,每種顏色代從紅外到x射線的不同電磁
  4. However geological information is fully recorded in the remote sensing image, which made it possible for the choosing of this area as a dissection point to extract complex structural information of orogenic belt in west china. taking fully advantage of multi - band image richly bearing concealed geological information in combination with remote sensing analysis and structure analysis, to anatomy the supracrustal composition and structure of orogenic belt with the regional linear structures and their partitioned block and schistous geological masses as the macro - frame ( in corresponding to structure units and structure segments ) and with the rock masses, structure - rock assemblages, line - featured and belt - featured structures as well as penetrative and non - penetrative foliation ( primary stratum and trans position layering ) and folds as the texture and structure elements. the methods of how to distinguish granulite > ductile - shear zone, imposed fold, different deformed belts -

    因而,本文選擇這一地區作為我國西部地區從遙感圖像上提取造山帶復雜結構構造信息的解剖區,充分利用遙感圖像多反映物質屬性的特點和圖像處理提取隱含信息的優勢,採用遙感解析?構造解析相結合的研究方法,以區域線狀構造及由它劃分的塊狀、片狀地質體為宏觀骨架(對應于構造解析劃分的構造單元、構造均勻區) ,以地質體中的巖石巖體、構造巖石組合,線狀、帶狀構造,透入性、非透入性面狀(原始層理、新生面理)和褶皺等構造作為用於解析的結構構造要素,進行造山帶殼組成和結構構造解析研究。
  5. The results of design explain that if sio2 films deposited on the surfaces of sapphire the average transmittance in 3 ~ 5 m waveband can exceed 97 %, which can meet the requirements of missile dome in infrared application

    設計結果明,藍寶石襯底雙面鍍sio _ 2 、 sio _ 2 / si等膜系,在3 5 m的平均透過率大於97 ,可滿足導彈頭罩設計和使用的要求。
  6. Phalocyanines are a kind of centrosymmetric planar organo - metallic molecules with an extensively delocalized two dimensional conjugated - electron system which show a relatively large third order optical nonlinearity, varying upon central metal atom substitution and other factors

    金屬酞菁配合物是一種具有平面共軛電子結構的大環配合物。研究明,酞菁配合物在可見及近紅外具有良好的非線性光限幅性能。
  7. The dissertation firstly discusses the reflectance of euv and soft x - ray in " multilayer system based on classical electrodynamics and optical characteristics of materials. the nns surface roughness in different spatial frequency range is carefully studied since scattering can seriously reduce the reflectance in euv and soft x - ray wavelength region. we discuss representative model of residual stress in

    首先從材料在極紫外、軟x射線的光學特性出發,討論了極紫外、軟x射線在理想和非理想多層膜系中的反射特性;研究了影響極紫外、軟x射線多層膜反射率的面粗糙度的空間頻率范圍;重點探討了多層膜殘余應力的典型模型、應力形成機制以及薄膜的形成過程。
  8. According to statistics parameters of the typical clouds over xi ' an region and cloud data obtained from the global distribution of cloud cover under the auspices of world meteorological organization, for xi ' an region typical cloud, the parameters of khragian - mazin cloud drop size distribution are obtained. based on xi ' an cloud water content profile, on earth - space paths, attenuation due to cloud are calculated by means of the k - m distribution. it is shown that the attenuation induced by cloud are taken into account at ka - at elevation angle smaller than 30 and v - band paths

    第三,根據西安地區氣象觀測數據,討論了西安典型雲的宏觀和微觀物理特性;根據西安典型雲的觀測結果和世界氣象組織提供的數據,得到西安典型雲的k - m雲滴譜參數;並根據西安地區雲的液水含量,計算了地一空路徑上雲的衰減,結果明,在v和仰角小於30度的ka路徑,雲的衰減需加以考慮。
  9. Brdf of material surface has relations with wavelength, incidence angle and scattering angle. it can barely be expressed by analytical formula, and can only be obtained through experiments

    材料面的brdf ,與、入射及出射角都有關系,幾乎不可能用解析達式示,只能通過實驗手測試獲得。
  10. The refractive indices at 12 wave lengths in the visible region were measured with the minimum deviation method, showing that kabo is a negative uniaxial optical crystal with moderate birefringence. the measurement of nonlinear optical coefficient dn = 0. 45pm / v

    用最小偏離法測試了可見光區十二個處的晶體折射率,結果明kabo晶體屬負單軸晶,具有適中的雙折射率。晶體的非線性光學性質測試顯示,該晶體非線性光學系數為d _ ( 11 ) = 0 . 45pm / v ,可實現相位匹配。
  11. In general, this gis has following characters : i ) this gis provides strongly query function for sub - compartments and compartments such as from map to table, from table to map and from table to table ; ii ) this gis provides strongly report outputting function ; iii ) this gis create zst landscape structure evaluation function

    尺度分析是採用單位蓄積量和中山陵tm4影像( 256 256像元)的灰度值兩種指標分別分為3個和8個尺度對中山陵景觀進行分析,結果明可以將中山陵森林景觀分為3個尺度(小班、林班和作業區)進行經營管理。
  12. Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust

    利用中國科學院大氣物理研究所與長春光學精密機械研究所合作研製的太陽?大氣紫外光譜輻射計( sauvs ) ,測量到達北京地的太陽直接和散射紫外光譜輻射,導出了大氣氣溶膠的光學厚度。初步結果明:北京紫外大氣氣溶膠的光學厚度在絕大部分情況下隨長的增加而單調減小,用指數函數可以較好地擬合反演結果,統計得到了三個水平能見度狀況下擬合函數的系數值和公式達式;初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點,並與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析;分析了太陽紫外譜輻射中散射輻射與大氣質量、大氣總光學厚度的定性關系和定量達式;最後與全球氣溶膠監測網路( aeronet )北京站的資料做比對,明反演結果基本合理。
  13. In the closeup view on the lower left, also color coded by x - ray energies, the point sources have been taken out to emphasize the hot gas clouds in the central regions of the antennae

    在左下的放大圖中(仍按x射線的著色法示) ,點源已被扣除,這樣就可以突出觸角星系中心區域的熱氣體雲。
  14. The microwave landing system ( mls ) has higher performance and more advantages than the instrument landing system ( ils ), which will be adopted as the international standard landing system to replace ils in this year

    並且,由於微著陸系統工作于微,還可以減小多徑效應。因此,和儀著陸系統相比,微著陸系統是一種性能比較優越的著陸導航系統。
  15. According to their changes, the decaying process can be divided into 4 stages : the drastic change stage the fluctuant reducing stage the stage tending to be stable the fluctuating and rolling stage

    根據其變化可將腐解過程分為四個階:劇烈變化階動緩降階相對平穩階起伏動階明dtg曲線與dta曲線一樣可以反映腐解過程的特徵。
  16. Experiment contrast show, the prepared w - type planar hexaferrite microwave absorptive material appears two absorptive peaks in the frequency range of ( 7 ~ l2ghz ), its average attel1uation exceed 7db, the maximum absorptive attenuation is 24db, coat matching thickness is l. 21mm, especialy its curie temperature is 457c. so, it can meet practical demands in military camouflage field

    實驗結果明,該種吸收材料在x內呈現兩個吸收峰,平均衰減量7db ,最大吸收峰為24db ,塗層匹配厚度為1 . 21mm ,特別是具有457的居里溫度。所以該種鐵氧體是一種性能優良的微吸收材料,在軍事隱形技術中有實用價值。
  17. In the paper, the transition of ka band rectangular waveguide to micro strip probe and the back - to - back structure are designed. the measurement results indicated the low insert loss and low return loss from 35 ghz to 40 ghz

    本文設計了ka矩形導到微帶探針過渡結構以及背對背結構,測試結果明,在35 40ghz頻率范圍內,其插入損耗和回損耗都比較小。
  18. Characteristics of attenuating and absorbing of super wideband radar surface wave by means of radar absorbing coatings as well as radar absorbing coatings combined with frequency selective surfaces are studied and then reported here

    研究了雷達吸塗層對寬頻雷達衰減吸收的規律以及頻率選擇面與吸塗層相結合的復合吸塗層對寬頻衰減吸收的規律。
  19. The experiment results from practical multispectral images have shown that this algorithm is efficient. if the original image is reconstructed by five eigen subimages, the nearlossless compression ratio is above 11 for the data used in this paper and the psnr is more than 45db

    實驗結果明,對機載64多光譜遙感圖像進行k - l變換和整數小變換后,選用五個本徵子圖像重建原圖像,壓縮比可以達到11以上,峰值信噪比則超過45db ,取得了其它方法無法獲得的效果。
  20. Firstly, the characteristics of radiation propagation and attenuation in the atmosphere, and the power response of a contrast - limited optoelectic system are analyzed, the apparent contrast model of a target is developed, and the detection range equation dependent on the aerosol extinction coefficient and range parameter are derived

    首先,分析了紅外大氣輻射傳輸與衰減、對比度限制光電成像系統功率響應特性,建立了目標現觀對比度模型,並推導出了由氣溶膠消光系數和距離參量確定的探測距離方程。
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