scattering frequency 中文意思是什麼

scattering frequency 解釋
散射頻率
  • 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
  • frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
  1. Low frequency scattering from cylindrical shell with rib

    平頂有肋柱殼低頻散射特性研究
  2. 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射線波段的光學特性出發,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表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。
  3. Zhoushan maritime space of archipelago scattering and gullet intervein lies in median latitude, which has complex terrain geographic and atmosphere - sea electrophoresis and has frequency gale doubtless weather

    群島散布、水道縱橫交錯的舟山海域地處中緯度地帶,具有復雜的地理環境和大氣海洋現象,大風災害天氣頻繁。
  4. The doppler frequency is a function of the two scattering directions.

    多普勒頻率是兩個散射方向的函數。
  5. Following a discussion on the application of seismic techniques to the budunhua copper deposit in inner mongolia as well as the achievements gained, the paper points out that the ore - controlling structure can be detected by using reflection events, and the heterogeneuos bodies related to orebodies might be studied by utilizing high - frequency irregular scattering waves

    在對內蒙古布敦花銅礦勘查中的地震方法技術及取得的成果討論后指出,利用反射同相軸可研究測區的控礦構造,利用高頻不規則散射波可研究與礦體有關的非均勻體。
  6. Among those nonlinear effects, stimulated brillouin scattering has the worst effects on the fiber hydrophone system due to its low threshold and it produces a new light wave which is different from the incident light in frequency. this dissertation discusses the physical mechanism and quantum explanation of sbs in fiber

    在眾多非線性效應中,由於受激布里淵散射( stimulatedbrillouinscattering )效應的閾值最低,且產生了與入射光場不同頻率的新的光場,故對光纖水聽器系統而言,影響最大的即是受激布里淵散射效應。
  7. Test method for small - signal scattering parameters of low - power transistors in the 0. 2 to 2. 0 - ghz frequency range

    在0 . 2至2 . 0千兆赫頻率范圍內小功率晶體管的小信號散射參數的試驗方法
  8. First, we reviewed the finite - difference time - domain yee ' s method. the difference equations, the stability condition, numerical dispersion characteristics, absorbing boundary conditions, incident wave source conditions and the calculation of the frequency - dependent scattering parameters are discussed

    首先本文回顧了時域有限差分yee演算法,包括時域有限差分的差分方程、穩定性條件、數值色散特性、吸收邊界條件,激勵源的設置以及散射參數的計算等。
  9. Raman spectroscopy ( rs ) is a kind of molecule scattering spectroscopy, which is characterized by the frequency excursion that caused by interactions of molecule and photon to show the information of molecule. the frequency excursion reflects the margin between some certain vibrational or rotational energy states

    拉曼光譜是一種分子散射光譜,通過與分子相互作用的光子產生的表徵分子振動或轉動能級差的特徵頻移,來反映分子結構或成分的信息。
  10. The investigation is very useful not only in further studying the electromagnetic scattering characteristics of complicated large objects over the whole frequency band, but also in improving and designing the wide - band radar, ultra wide - band radar and new wide - band radar absorbing material

    本文的研究,為今後進一步開展復雜電大目標全頻段電磁散射特性的研究提奠定了基礎,為寬帶雷達和超寬帶雷達的設計與開發,新型寬頻帶隱身材料的研究提供理論指導。
  11. When the frequency of elastic scattering becomes large, the resonant peaks may be cancelled

    隨著彈性散射頻率的增大,共振峰會逐漸消失。
  12. Based on the multi scattering center theory, the frequency model describing electromagnetic scattering characteristics of target is developed

    首先從目標多散射中心理論出發,推演了描述目標散射特性的頻域散射數學模型。
  13. The backward scattering field of extended target is approximated as the synthesis of many strong scatter centers on target, and geometric optical method is used in establishing deterministic model of a aircraft in the paper, the model is used to evaluate the performance of frequency diversity in suppressing glint at last

    本文將復雜目標後向散射回波近似為目標上若干強散射中心回波的合成,結合幾何光學法得到了某種飛機目標的確定性模型,並用該模型評定頻率分集對角閃爍抑制的改善性能。
  14. On one hand, although the traditional methods to solve the electromagnetic scattering form the target by the so called high frequency methods such as po ( physical optics ), go ( geometry optics ), have the less memory and computational requirement, they also have the fatal defection that the accuracy of these methods are too poor to use in real applications

    一方面傳統的高頻電磁分析方法雖然計算較快,內存需求較低。但是其存在的致命缺陷是計算結果精度較低,在許多場合下的計算結果的精度遠遠不能達到應用的要求。另一方面基於積分方程的多層快速多極子方法是一種求解電磁散射問題的快速演算法。
  15. The self - q - switched pulses of high erbium - doped fabry - perot cavity fiber laser are observed and theoretically analyzed. ( 2 ). utilizing the non - linearity characteristics of single mode fiber - back stimulated brillouin scattering ( bsbs ) and the wavelength - selecting characteristics of fiber gratings, self - q - switched pulses are achieved from a linear cavity erbium - doped fiber laser pumping by a 980nm ld continue wave ( cw ) pumping, the pulse width is 2. 2ns and the repetition frequency of pulses is 64. 5mhz

    ( 2 )利用單模光纖的非線性效應背向受激布里淵散射( bsbs )和光纖光柵的選頻特性,採用980nm半導體激光器連續泵浦方式,在線性腔摻鉺光纖激光器中實現了自調q運轉,獲得脈沖寬度( fwhm )約為2 . 2ns ,重復頻率為64 . 5mhz的穩定的光脈沖輸出。
  16. According to scattering phenomenology, we point out that the commonly used point scattering models fails to accurately describe the complex scattering behavior of real target. for that reason, based on the theory of effective scattering centers, researches are taken on more accurately physical - relevant description of target scattering and on approach that is more effective to characterizing and extracting target scattering features by means of time - frequency analysis and scattering centers modeling

    全文以此為線索,以光學區散射中心理論為基礎,分別從目標二維像的散焦效應、二維像的時頻分析、以及二維散射中心的模型化這三個角度,探討對目標復雜散射特性進行更為合理的描述和分析,並提取可用於識別的目標結構特徵。
  17. The complex resonance frequency underlying in late - time scattering components of a conducting target is independent of waveform and polarization of the incident wave, as well as the direction of the target relative to radar. it is a unique aspect independent quantity so far used to characterize target physical structure and component

    目標的后時響應中包含的自然諧振頻率成分(極點) ,不依賴于雷達發射電磁波波形、和其極化形式,與目標對雷達的取向無關,具有目標姿態不敏感性。
  18. Part iii the medicines about gold will be very popular in the next ten years. 25, physiologically ph 7. 43 ( + 0. 02 ), applying resonance light - scattering spectrum ( rls ), we observed the resonance light - scattering spectrum quenching of serum albumin by its interaction with au ( iii ). a scattering peak at 350nm and its double frequency scattering peak at 700nm were observed when the excited wavelenth is 290nm

    第三部分:在普通熒光分光光度計上選擇合適的激發和發射通帶寬度,利用reyleigh共振散射技術,研究了生理ph值7 . 43 ( 0 . 02 ) , 25下,金( )與血清白蛋白的相互作用。
  19. This method can adapt to both time and frequency domain, similarly can be used to discuss about targets upon ground or sea surface. with this method the scattering waves of a truck model are studied in uhf band

    復合激勵法使用范圍廣泛,不僅適用於時域,也適用於頻域,不僅時用於地表目標的電磁散射研究,也同樣也適用於海面等環境下目標的電磁散射研究。
  20. Firstly, the high frequency methods, low frequency methods and hybrid methods used for analysis of scattering are reviewed in the present paper

    本文首先回顧了分析三維目標電磁散射的高頻方法、低頻方法和混合方法。
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