scatterer 中文意思是什麼

scatterer 解釋
散播者
  1. The mett cross section applies to a point scatterer.

    莫脫截面適用於點散射體。
  2. The time - frequency curve of stern scatterer is analyzed. furthermore, high quality images are obtained by identifying the regions which are uniform in frequency. chapter 4 exposits the method of optimal time selection for ship isar imaging in detail

    本章分析了船尾處特顯點的時頻分佈曲線,並選擇了時頻曲線中頻率近似不變的時間段得到艦船圖像,其成像質量有了較大的提高。
  3. Polarimetric synthetic aperture radar ( polsar ) investigates the transverse vectorial nature of plane em waves and provides the complex scattering matrix of a scatterer. scattering polarimetry is sensitive to the shape, orientation, and dielectric properties of scatters

    極化合成孔徑雷達( polsar )研究電磁波的矢量特徵,通過測量和分析目標的極化散射特性,獲取目標的介電常數、物理特性、幾何形狀和取向等方面的大量信息。
  4. ( 7 ) the experiment of the hot - image from phase scatterer in n31 nd - glass is carried out. the experimental results are found to be in good agreement with previous analytical and numerical results

    ( 7 )開展了n31釹玻璃介質中位相型衍射物形成熱像規律的實驗研究,得到了熱像的位置、強度及像平面的能流分佈等結果,結論與理論模擬結果吻合較好。
  5. From mathematical models for inverse scattering in two dimensional inho - mogenous media including variable impedance, all kinds of probable mixed variable impedance boundaries and cracks, from interior and exterior trans - mission problems and radiation condition, ill - posed integral equation and indicator function method are formulated for the diverse of boundary iden - tification. it is shown that the kernel of the integral equation characters the boundary of scatterer, which is determined by solving it by virtual of regularity method, meanwhile, some numerical tests are given. 3

    在二維非均勻介質逆散射邊界識別的數學模型(包括一般的非均勻介質,正交各向異性介質,變阻抗介質,各種可能的混合變阻抗邊界問題)下,由內透射問題和外透射問題以及輻射條件,推導了上述介質的邊界識別的積分方程和指示函數方法,由於積分方程的核充分表徵了散射物的邊界,由此說明只要利用正則化方法求解該積分方程,就可以確定散射物的邊界。
  6. From mathematical models for inverse scattering in two dimensional homoge - nous media including dirichlet, neumann, robin, all kinds of probable mixed boundaries and cracks, direct and inverse scattering are discussed, and ill - posed integral equation and indicator function method are formulated for the diverse of boundary identification. it is shown that the kernel of the integral equation characters the boundary of scatterer, which is determined by solv - ing it by virtual of regularity method, meanwhile, some numerical tests are given. 2

    在二維均勻介質逆散射各種邊界識別的數學模型(包括dirichlet , neumann , robin ,各種可能的混合邊界問題,裂紋問題)下,分別考慮了正散射問題和逆散射問題,推導了上述各種邊界識別的不適定積分方程以及指示函數方法,由於積分方程的核充分表徵了散射物的邊界,由此說明只要利用正則化方法求解該積分方程,就可以確定散射物的邊界,並給出了一些數值實驗。
  7. Both media with gain and loss as well as amplitude - phase scatterer are considered. a new functional expression is derived for predicting the hot - image intensity

    ( 3 )對位相型、振幅位相混合型衍射物在理想介質、增益損耗介質中熱像形成的物理規律進行了研究。
  8. Spectral data of the near field for locating the shape of scatterer with impedance boundary condition

    由近場譜數據確定阻抗散射體的形狀
  9. If a scatterer like human head is used, intensity differences among microphones can be obtained efficiently

    如果能夠利用一個類似人頭的散射體,則可有效地獲得傳聲器之間的強度差信息。
  10. Calculation for the radiation dose distribution and the impact of scatterer on radiation dose in a 60co container inspection hall using monte carlo method

    集裝箱檢測大廳輻射場劑量分佈及其散射體的影響
  11. The precise measurement data can be useful for antenna design and slot coupling studding. this paper gives it ’ s deduction through reciprocity principle and the structure of the optically modulated scatterer system. an applied optically modulated scatterer system is designed and photodiodes are used as modulation module

    本文給出以互易原理為基礎的光調制散射器測量法的理論推導,並用光電二極體光導開關作為散射器中間部分的光調制單元,設計出了實用的光調制散射器微波測量硬軟體系統。
  12. This paper uses an optically modulated scatterer system to measure microwave field with minimal disturbance. this method is especially adapt to measure magnitude and phase of microwave field close to conductor and microwave field with complex path between source and field. so it can be used to measure radiation antenna ’ s near - field and microwave into slots

    光調制散射器的測量方法最大限度地減少了測量裝置對被測場的擾動,特別適合於測量導體附近和具有復雜路徑場的幅值和相位分佈,可以用於對輻射天線近場的測試以及孔縫耦合中場的測量,可為天線的設計,微波孔縫耦合效應的研究提供較精確的實驗數據。
  13. On the other hand, in image domain, spatially varying point - spread function ( svpsf ) is defined to demonstrate how the effects of complex scattering centers which cause scattering model mismatch can be interpreted as being due to a svpsf acting on a ideal scatterer

    同時在圖像域引入二維空變點展布函數( svpdf )來解析表達非點散射機制對理想「點」的展布作用。
  14. It was found that after our careful processing of the absorption boundary for artificial reflection, we could use the time - trace records at the surface to invert the locations of seismic sources or underground scatterer accurately

    經由適當的消除人為邊界反射,在只利用地表的歷時記錄即有效的推求出震源及散射體的精確立置。
  15. Estimating average scatterer spacing of pig liver in vitro with wavelet analysis

    離體豬肝組織散射元平均間距的小波估計
  16. Ultrasonic estimating mean scatterer spacing of biotissue based on wavelet transform

    基於小波變換利用超聲估計生物組織散射元平均間距
  17. Ultrasonic backscattering microstructure feature of tissue s scatterer based on chirp - z transform cepstrum

    變換頻譜細化倒譜分析生物軟組織散射微結構特徵
  18. Localized light - scatterer - one feature on the surface of a wafer, such as a pit or a scratch that scatters light. it is also called a light point defect

    局部光散射-晶圓片表面特徵,例如小坑或擦傷導致光線散射,也稱為光點缺陷。
  19. Based on the model, we develop a cascading segmentation algorithm to separate the sar image into regions, so that each of these regions can be described by one of the single models. several sub - algorithms are developed for the cascading segmentation : the homogeneous region segmentation algorithm based on statistics hypothesis test, the line - like region segmentation algorithm and the strong scatterer segmentation algorithm

    根據這些模型,建立了層次式的分割演算法,將sar圖像分割為若干個可以用單一模型描述的區域;設計了具體的分割演算法:基於統計檢驗的平穩區域分割演算法,強散射中心分割演算法和線狀區域分割演算法。
  20. For the speckle depressing, we develop a multi - description model to describe the fundamental properties of the sar images. different models are used to describe different type of regions in sar images. these models include the homogeneous region model and the non - homogeneous region model, and the later consists of the strong scatterer model, the line - like region model and the weak edge region model

    在sar圖像相干斑抑制方面,建立了一種針對相干斑抑制的sar圖像多描述模型,用不同模型描述sar圖像中不同類型區域,涉及到平穩區域模型和非平穩區域模型,非平穩區域模型又細分為強散射中心模型、線狀區域模型和弱邊緣區域模型等。
分享友人