scattering object 中文意思是什麼

scattering object 解釋
散射體
  • scattering : adj. 1. 分散在不同方向的,分散在不同范圍的。2. 廣泛擴散的。3. (選票)數量分散的,不集中的。n. 1. 散亂。2. 在媒介質中的散播。3. 【物理學】散射。adv. -ly
  • object : n 1 物,物體,物件。2 目標 (of; for); 目的,宗旨。3 【哲學】對象,客體,客觀 (opp subject); ...
  1. The method can simulate light scattering behavior on the condition of single layer and multiple layers, and preferably deals with reflection and transmission between layers, with a good agreement with literature results. 3. laser beam scattering by an object in near field is studied

    該演算法可用於模擬計算單層和多層塗層,平行平面結構和粗糙表面情況下的光散射行為,較好地處理多層塗層結構中各層間的反射和透射,模擬結果與文獻結果吻合的很好。
  2. A simulative algorithm of laser beam scattering by an object in near field is given. based on the algorithm, a simulative software is worked. and by using geometrical modeling and hiding, the received power of remote system for f16 airplane, as an example, is computed

    4 、提出激光引信目標近場散射特性模擬演算法,編制了模擬軟體,並以f16飛機為例,通過幾何建模和消隱處理,計算了目標不同姿態、不同脫靶量和不同脫靶方位角時,彈目交會過程激光引信接收系統的接收功率。
  3. In the end, the impedance matrix of any three - dimensional conducting object can be portioned into sub - matrices by the projection iterative method ( pim ), the surface current and rcs can be calculated with convergent iterations, the wide - band electromagnetic scattering characteristics of three - dimensional conducting objects are also analyzed with the asymptotic waveform evaluation technique

    最後應用投影迭代方法( pim )將三維導體目標的阻抗矩陣剖分成小矩陣,通過迭代計算出表面電流和雷達散射截面,並與漸近波形估計技術結合分析了三維導體目標的寬帶電磁散射特性。
  4. From the fourier space k corresponding to the scattering field of the object, an imaging evaluation mechanism based on the spatial spectral coverage is proposed

    摘要從物體散射場對應的傅里葉空間出發,提出基於空間譜域分佈的成像系統定性評價體系。
  5. Compton scattering imaging is a radiation imaging technique that forms the image of an object by measuring compton scattering emitted from the object while it is irradiated

    康普頓散射成像是通過測量從被照物體中發射出來的康普頓散射線來對物體內部進行成像的放射成像技術。
  6. A linear relation can be found between response value of ultraviolet absorption detector, fluorescence detector, electrochemical detector and refractive index detector and quality of the object under test ; however, relation between response value of evaporative light - scattering detector and quality of the object under test is usually not a linear one, therefore, mathematical conversion of response value should be made before making calculation when necessary

    紫外、熒光、電化學和示差折光檢測器的響應值與待測物的質量呈線性關系,但蒸發光散射檢測器響應值與待測物的質量通常並不呈線性關系,必要時需對響應值進行數學轉換后進行計算。
  7. Ultraviolet absorption detector, photodiode array detector ( dad ), fluorescence detector, and electrochemical detector are optional detectors, response value of which is relative to not only quality of the object under test, but also structure of the compound ; refractive index detector and evaporative light - scattering detector are universal detector, responding to structure of all compounds ; evaporative light - scattering detector is quality - type detector, whose responding value only relates to quality of the object under test for compounds with similiar structures ; photodiode array detector ( dad ) can, at the same time, record absorption spectra of the object under test in a prescribed wave scope, consequently, it can be used in spectrum control and inspection of purity of chromatographic peaks of the object under test

    紫外、二極體陣列、熒光、電化學檢測器為選擇性檢測器,其響應值不僅與待測物的質量有關,還與化合物的結構有關;示差折光檢測器和蒸發光散射檢測器為通用型檢測器,對所有的化合物結構均有響應;蒸發光散射檢測器屬質量型檢測器,對結構類似的化合物,其響應值幾乎僅與待測物的質量有關;二極體陣列檢測器可以同時記錄待測物在規定波長范圍內的吸收光譜,故可用於待測物的光譜管制和色譜峰純度的檢查。
  8. On the other hand an object seen in reflected light will surely display some phase correlation between its various scattering points.

    反之,在反射光中看到的物體,它的各個散射點之間肯定將呈現某種位相相關性。
  9. Electromagnetic inverse scattering aims to reconstruct the distribution of the dielectric characteristics of unknown inhomogeneous dielectric object by scattering wave. in the near thirty years, it has been extensively used in military, medical imaging and nondestructive testing field

    電磁逆散射(又稱為電磁反演或電磁成像)是對接收到的未知物體的散射信號進行分析處理從而重建未知物體的幾何形狀和內部結構。
  10. Ccd ), light signals from the object is covered by relay scattering when laser beam penetrates through the atmosphere. so the technique of range gate has been used in such system

    當激光通過大氣時,瑞利散射將使得ccd器件接收到的目標回波信號淹沒在噪聲信號之中,因此系統中採用了距離選通技術。
  11. The object of single photon emission computed tomography ( spect ) is to reconstruct an unknown radioactivity distribution inside the body from projection data consisting of the number of photon collected on a collimated gamma camera. these projections are not simple line integrals but have point - spreads due to the imperfect collimator of the detector and attenuation due to the compton scattering. so

    這種投影數據與透射ct中的數據不同,由於存在著光子的點擴散(由準直器引起)和衰減(由散射引起) ,已經不能用簡單的線積分來描述這個問題,因此相對于透射ct而言,這個領域將面臨很多困難。
  12. First, a new method of ultrasound - modulated optical tomography with real - time fast fourier transformation ( fft ) is reported to improve the detection sensitivity and snr. by discriminating ultrasound modulated information carried by scattering photons, the tomographic images of the biological tissue simulating media and a buried object are reconstructed with fft spectral intensity

    1 、用實時快速fourier變換( fft )和聚焦超聲調制的光學層析術以增加探測靈敏度和信噪比,用fft實時地將調制光光信號濾出,用其譜強度重建圖像。
  13. The main idea of this research can be summed up as following words, reflecting light or scattering light upon the surface of measured object formats an image on the photo surface of psd by a optical system, because of the good relationship between the offset of image point in psd and the offset of object thickness, a mathematical model can be founded according to this relationship. it can measure the shift of object thickness through these analyses of movement of image point position in psd, and this device can be tested its reliability with many practical specimens

    光學式非接觸厚度-微位移測量儀是在激光三角測量法的基礎上實現的,在本研究方案中,根據象點在psd上的移動量建立與被測物厚度-微位移變化之間的數學模型,通過對象點位置變化的計算,實現被測物厚度-微位移變化量的測量。本文重點闡述了光學式非接觸厚度-微位移測量儀的工作原理,並對測量儀的工作過程進行了分析;對影響測量精度的因素做了討論。
  14. We analyze the radiative properties of scattering medium in the boiler in the visible range and deduce the expression between the temperature of the radiation object and the luminance of pixel in the image produced by ccd camera ; 2

    簡要分析了工業爐內彌散介質在可見光范圍內的輻射特性,推導了輻射特性與溫度的關系,並在此基礎上推導了高溫輻射體溫度與ccd圖像灰度之間的簡化關系式; 2
  15. As analyzing the electromagnetic scattering characteristics of two - dimensional electrically large conducting objects, the object is divided into some small regions by using spatial decomposition technique ( sdt ), but still consider the coupling effect among all the regions, the surface current and rcs of the object can be computed with progressive iterative numerical method ( pnm ). then the wide - band electromagnetic scattering characteristics of two - dimensional electrically large conducting objects are analyzed with the asymptotic waveform evaluation ( awe ) technique

    文中應用空間分解技術( sdt )將二維電大導體目標在空間中分解為若干子區域,考慮子區域間的耦合,採用累進迭代方法( pnm )快速計算表面電流和雷達散射截面,然後與漸近波形估計技術( awe )結合分析了二維電大導體目標的寬帶電磁散射特性。
  16. An idea for analyzing the electromagnetic scattering characteristics of electrically large objects is transforming the solution of large problems into that of some little problems. the object can be divided into a number of small regions or the equation be partitioned into some sub - equations, then the surface current and rcs can be computed fast by iterations

    分析電大導體目標的電磁散射特性,一種基本思想是將大問題化為小問題求解,對目標進行空間分區或分解矩陣方程等,然後通過迭代快速計算出目標的表面電流和雷達散射截面。
  17. Some numerical results presented in this paper indicate the effect of symmetric correction is close to transmitted correction when imaging for object surface and non - thick and non - dense objects, however, the former supports back scattering imaging which is not supported by the latter

    計算機模擬的結果表明,在對物體表面或密度較低的物體進行成像的情況下,對稱校正的效果接近於透射校正,但它可以用於背散射成像,這是透射校正所無法實現的。
  18. This paper also discussed the factors that influenced the diffraction efficiency of scattering object, and proposed the amount of refraction index modulation was very small, the diffraction efficiency was mainly determined by chemical treatment

    並指出體積光柵效應對透射全息衍射效率是有貢獻的,討論了影響散射物體全息衍射效率的問題,最後指出在一般情況下,調制折射率是一個很小的量,化學處理對它起著關鍵性的作用。
  19. The application of object - oriented distributed interactive simulation technology in electromagnetic scattering theory

    面向對象的分佈互動式模擬技術在電磁散射中的應用
  20. To further speed up the solution of scattering from three dimensional electrically large object by multilevel fast multipole algorithm ( mlfma ), a local multilevel fast multipole algorithm ( lmlfma ) based on local interactions is proposed to evaluate matrix - vector multiplication

    摘要為了進一步加速多層快速多極子演算法求解電大尺寸目標電磁散射,提出了一種基於局部耦合技術計算矩陣矢量相乘的多層快速多極子方法。
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