散射影像 的英文怎麼說

中文拼音 [sǎnshèyǐngxiàng]
散射影像 英文
scatter image
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 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） ...
  • 影 : Ⅰ名詞1 （物體擋住光線后映出的形象） shadow 2 （鏡中、水面等反映出來的物體形象） reflection; image...
  • 像 : Ⅰ名詞1 （比照人物製成的形象） likeness （of sb ）; portrait; picture 2 [物理學] image Ⅱ動詞1 （在...
  • 散射 : [物理學] [電學] scattering; radio scattering; scatter; dispersion
  1. Second, the imaging model built here has taken into account the tilt modulation, the hydrodynamic modulation, and current modulations of radar cross section. consequently, it has realized the imaging simulation of four kinds of wakes with the same imaging model. third, the orbital velocity of ocean wave was considered as the basic dynamic factor, and the imaging model calculates the influence on raw data by the wave m ovement according to the orbital velocity

    該模型的主要特點是： （ 1 ）它採用了三尺度復合表面模型的思想來計算海面的電磁散射，考慮了中等尺度波對紋波的進一步調製作用，彌補了傳統雙尺度模型的不足； （ 1 ）它考慮了海浪的傾斜調製作用、流體動力調製作用和流場對雷達截面的調製作用，實現了用統一的模擬模型對四種艦船尾跡特徵進行成像模擬； （ 3 ）它把海面長波的軌道速度作為基本的動態成分，並依此來考慮海面運動對sar回波信號的影響。
  2. The glint suppression using high resolution range profile under conical angle measurement is studied, the angle information in signal components of scatters are extracted and averaged to suppress the glint. nonlinear kalman filtering methods under near spherical coordinate are analyzed and used to get more accurate tracking

    研究了圓錐掃描測角體制下基於距離高分辨的角閃爍抑制方法，利用距離維高分辨像，提取強散射中心反射信號分量，在此基礎上估計出各個強散射中心的角度測量值，採用平均方法減少角閃爍對測角的影響。
  3. Based on the generalized huygens - fresnel diffraction integral and in consideration of the effect introduced by astigmatism, the transformation properties of gaussian beams passing an astigmatic lens are studied analytically, the beam quality of astigmatic gaussian beams is analyzed in terms of the beam propagation factor ( m2 - factor ) and power in the bucket ( pib ), and illustrated with numerical examples

    基於廣義惠更斯-菲涅爾衍射積分，並考慮了像散的影響，對高斯光束通過像散透鏡后的傳輸特性作了解析研究，以光束傳輸因子和桶中功率為參數分析了像散高斯光束的光束質量，並以數值計算例加以說明。
  4. The color signal images corrected by rayleigh scattering are close to true color photography in ground., laypeople can judge usual ground objects based on color and shadow of ground objects

    經瑞利散射糾正後的色彩信號圖像接近於地面真彩色攝影，非專業人員能根據地物顏色及陰影判讀出常見地物。
  5. The color signal images which did not carry on correcting the atmosphere are equal to the space photographs to the ground, the ground objects are covered with blue mist which is formed by rayleigh scattering

    未進行大氣校正的色彩信號圖像等效于太空對地攝影，從圖像可看出，地物被籠罩在瑞利散射形成的藍色「雲霧」下。
  6. On the basis of increasing the flaw resolution of the x - ray radiographic system, the study is firstly concerned with the analysis made on the influence of such factors as redial sources energy, system noise, optics radiography and scattering on the radiographic system in theory, and the present dissertation looks at the methods for acquiring the radiographic system point sp read function, line spread function and module transfer function ( mtf ). on the basis of these studies, research the spread properties of the tiny flaw making use of mtf, acquiring the properties of system inspecting sensitivity and resolution, based on the system optimization designing

    本文以提高射線成像系統的疵病解析度為前提，首先在理論上對射線源能量、系統噪聲、光學成像、散射等各環節對成像系統的影響進行分析，探討成像系統的點擴展函數、線擴展函數及其調制傳遞函數（ moduletransferfunction ，簡稱mtf ）獲取方法，在此基礎上，利用mtf研究微小疵病的擴展特點，從而得到系統的檢測靈敏度和解析度給出關系特性，為系統優化設計提供依據。
  7. Based on the backward propagation concept, we evaluated the feasibility of reconstructing the image of elastic wave sources and scatterers

    依據逆時傳播的觀念以評估重建彈性波源及散射體影像的可行性。
  8. The human eye is not a perfect optical system, we analyzed the optical factors of affecting the human eye vision quality, such as diffraction on small pupil, the aberration of the eye system, the size of the pupil, illumination arid optical dispertion

    摘要人眼作為一種光學器官，存在著一些光學缺陷，從物理學的角度分析了小瞳孔的衍射效應、眼球光學系統的像差、瞳孔尺寸、照明度和光學散射等對人眼視覺質量的影響。
  9. The purpose of this theme is to classify sar images into four regions : man - made targets ( vehicles and buildings ), natural targets ( trees and shrubbery ), background ( field and grass ) and shadow ( the target shadow and mirror scatter ). on the one hand, the processed results can be directly used as image product, which offer necessary parameters for expert ' s interpretation to build up an independent auxiliary interpreting system. on the other hand, the results can be introduced into sar image interpreting system as the replacing target detection and discrimination models with layer rois ( region of interest ) in order to provide potential target chips

    具體內容為：根據sar圖像基本特性，提取可靠特徵，將圖像區分為人造目標（機動車輛、建築物等） 、自然目標（樹木、灌木、樹林等） 、背景（草地、平地、植被等）和陰影（目標陰影、鏡面散射體等）四種類別，為不同的應用提供對應的感興趣區域（ roi ） 。
  10. Although direct waves are much stronger than scattering wavefields, the imaging of the underground anomaly is still well reconstructed from the reverse time process

    即使利用含有非常明顯直接波信號的歷時記錄亦可有效的重建地下散射體的影像。
  11. In short, through retrieving the parameter such as surface albedo, surface temperature and surface emissivity, all the energy flux such as net radiance flux, soil heat flux and latent heat flux can be computed in sequence further, then latent heat flux which provide energy for et can be computed based on energy balance equation, finally instantaneous et and daily et can be obtained

    總之，根據地表能量平衡方程，通過計算對地表反照率、地表溫度、地表比輻射系數、歸一化植被指數等參數進行反演，進一步計算出了地表凈輻射通量，土壤熱通量和潛熱通量，最後獲得了遙感影像成像時的瞬時蒸散及當天的總蒸散量。
  12. 2 ) radar incidence angle and surface roughness correction : to make radar incidence correction and eliminate the surface roughness effects, a wide range of surface parameters ( soil moisture, surface rms height, correlation length, incidence angle ) was input to the ibm model to simulate the effect of surface roughness and radar incidence angle on the sensitivity of soil moisture to the radar backscattering coefficient. a simple model was established to simulate the effects of incidence angle and surface roughness. 3 ) establishment of soil moisture change inversion model : according to a modified ibm model simulation results, the bare surface backscattering coefficients can be expressed as a funtion of the dielectric component for a given surface roughness when the surface slope greater than 2. 0, which is valid for most nature surface : in above equation, r0 is the surface reflectivity at normal incidence

    本研究中，首先利用基於微波輻射傳輸方程的微波植被模型和積分方程（ iem ）模型模擬了各種地表土壤水分含量情況下，植被覆蓋、地表粗糙度（包括地表均方根高度和相關長度） 、雷達入射角對c波段（頻率4 . 7ghz ）水平極化（ hh ）雷達後向散射系數的影響，在此基礎上，建立模型消除了植被覆蓋、地表粗糙度、及雷達入射角對雷達後向散射的影響，利用多時相50m解析度radarsatscansar雷達後向散射系數圖像反演得到了地表土壤水分變化模式信息。
  13. These effects, including indirect diffuse lighting, soft shadows from area light sources, and color bounce between surfaces, produce images and animations of unsurpassed realism for producing compelling presentations

    這些效果，包括間接擴散光，面光源柔和的投影，還有面之間的顏色反射，產生了非常卓越的真實場景和動畫，而不是產生生硬的圖像。
  14. One avhrr image of the yangtze delta at 13 : 00 on 15th apr., 2003 is used to retrieve the regional parameter such as surface albedo, ndv1, surface emissivity and surface temperature, which is based on regional trait of the yangtze delta to choose different model. all above will give a methodological support to gain the regional surface parameters, what ' s more, it will afford the parameter support to calculate the regional et too

    選取了2003年4月15日13時的avhrr影像，根據長江三角洲區域特點，選擇不同的反演模型，分別對長江三角洲區域地表反照率、歸一化植被指數、地表比輻射系數、地表溫度進行了反演，為區域地表參數的獲取提供了方法支持，也為長江三角洲的區域蒸散量求取提供了參數支持。
  15. Moreover, a mirror that is a section of a perfect sphere will produce a blurry image of each point in arnolfini ' s room ; each point is spread into a “ blur spot ” on the support, which i calculated would be several times the size of the fine detail in the painting

    再者，如果鏡子是從正圓球切下來的，投射出的影像會變得模糊，阿諾菲尼房內的每一點在屏臺上都會分散為模糊點，根據我的計算，模糊點的大小是畫中細節部份的好幾倍。
  16. Diagnostic x - ray imaging equipment - characteristics of mammographic anti - scatter grids

    診斷用x -射線成像設備.抗網格擴散的早期胸部腫瘤x -射線攝影特性
  17. For the effect of motion of target, a method of isar motion compensation based on scattering center tracking is used. for the difficulty of getting echo signal of bistatic isar of moving target, a method of simulating moving target using turntable data is used. finally the imaging results by using simulating data based on scattering center tracking show the effectiveness of the methods

    針對目標的運動對雙站逆合成孔徑雷達成像質量的影響，運用基於散射重心跟蹤的isar運動補償方法來消除目標運動對成像質量的影響，並針對雙站isar運動目標回波獲取的困難，運用一種用轉臺數據模擬運動目標回波的方法來獲得模擬數據，最後用模擬數據驗證了基於散射重心跟蹤法的雙站isar運動補償的正確性。
  18. After analyzing the theory of mtdi and setting up the model of moving target echoes, the dissertation discusses in detail the effect of moving target doppler center frequency and doppler rate on the conventional sar image. it also analyzes detailedly the range migration of moving target from time field and frequency field and provides migration model in both fields. after that, it divides algorithms of mtdi into several classes, analyzes the influence of signal - to - noise on the detection results and gives the flow chart of moving target imaging processing

    本文的主要貢獻包括： 1 、建立了運動目標回波散射模型，深入探討了進行常規sar成像時，動目標的多普勒中心頻率和調頻率對動目標圖像造成的影響；從時域和頻域兩方面詳細分析了由於目標運動造成的距離徙動效應，建立了距離徙動模型；然後研究了動目標檢測原理，並對現有的檢測方法進行分類，使之更加系統化；詳細分析了動目標信噪比對檢測結果的影響，給出了sar系統動目標成像流程圖，指出了動目標成像中的關鍵環節。
  19. Projection reconstruction for the far field applications and wavefront reconstruction for the near field applications of the impsar are addressed according to the target scattering center model

    根據目標散射中心模型，文中給出了impsar的適用於遠場應用條件的投影重建和應用於近場應用條件的波前重建成像方法。
  20. First the 3 - d scattering model of the targets is built based on the theory of radar target scattering center in the optics region and measure data, then by comparing the profiles of actual target with the profiles of model target, the two most resemble profiles are regarded as the target recognition result

    目標識別時，用目標的實測距離像與數據庫中所有目標的三維散射模型在任意姿態角上的投影形成的距離像進行匹配，取相關性最強的目標類型作為識別輸出結果。
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