非均勻層 的英文怎麼說
中文拼音 [fēijūnyúncéng]
非均勻層
英文
heterosphere-
The ionosphere is a complex medium, which is aeolotropy, asymmetry, dispersive and changes randomly with time. in order to improve the communication quality of the shortwave that depends on the ionosphere, we should have aknowledge of the current condition of the ionosphere in real time. the backscatter sounding of high frequency can diagnose the real - time channel characters for shortwave communication or hf radar, which is great assistant to shortwave communication and hf radar
電離層是隨機時變，各向異性，非均勻、色散的復雜介質。為了保證依賴于電離層進行的短波通信質量，必須了解電離層的實時狀態信息。高頻返回散射探測可以實時監測與短波通信或高頻天波雷達相關的天波傳播通道的狀態，對短波通信和天波雷達工作起了重要的輔助作用。When an inhomogeneous plane wave is introduced into a dense dielectric layer, it can bounce between the two boundaries.
把一非均勻平面波引進折射率較高的介質層時，它會在上下界面間來回地「彈」射。Using ansys as analysis tool, and the influence of river water fluctuating on geoelectric observation data in different distance from riverway to geoelectric monitoring observe station is numerically simulated, and the relationship between error of observation data and distance from riverway to the stations is summarized
摘要利用ansys作為分析平臺數值模擬了觀測系統距河道不同距離情況下，由河水漲落引起的淺層局部電性非均勻性對地電觀測數據的影響，總結了觀測系統距河道遠近與觀測數據誤差大小的關系。Investigation of the sound absorption performance of multilayer non - homogenous wave - guide
多層非均勻波導吸聲特性研究Hierarchical similarity in an inhomogeneous turbulent wake
矩形柱群非均勻湍尾流中的層次相似律From comparison of coupling in the two parts, we found that the exciton - lo phonon coupling was restrained in cdse qds
而量子點發射峰的線型的非均勻寬化比浸潤層的大近50 。Solution to heat - conduction differential simultaneous equations of multicomposite plate with nonuniform generation
多層非均勻內熱源組合平板導熱微分方程組的解Quasi - stationary state of convective boundary layer over heterogeneous flat surfaces
平坦非均勻地面對流邊界層的準定常態However, to hydrological cycle which contains the processes of preciptation, run - off, evaporation and storage of soil water, the heterogeneity of physical and ecological characteristics of soil surface and their description method and the hydrologic flux to land surface is still a challengeable problem in modeling of land surface
然而，對于包括降水、徑流、蒸發，土壤層儲水等環節在內的整個陸面水分循環過程來說，地表物理和生態特徵的非均勻性及其描述方法和陸面水文通量參數化問題，迄今仍然是困擾陸面過程模擬的挑戰性難題之一。Inequality and warp of bamboo laminated board
竹層積材的非均勻性與縱向曲翹Three finite - difference methods, i. e., stagger grid, implicit and explicit algorithms, are analyzed in detail. multi - grid algorithm is firstly introduced in elastic wave simulation, to solve for the stability problem inherent in stagger grid and implicit algorithm, also for the efficiency problem inherent in explicit algorithm, and the precision, stability and efficiency for simulation of elastic wave arc increased by multi - grid method. phase - delay method is provided to effectively absorb boundary reflection and increase efficiency for wave motion simulation, based on phase delay and amplitude decaying features along wave propagation
在水平分層介質接收函數的波形反演研究的基礎上，本文系統闡述了非均勻介質中彈性波傳播數值模擬常用的三種有限差分方法：顯式差分、隱式差分和交錯網格法，首次將多重網格演算法應用於彈性波方程的數值模擬問題，克服了交錯網格法和顯式差分法穩定性差，以及隱式差分法計算效率低的缺點，大大提高了彈性波數值模擬的精度、穩定性和計算效率。The common methods for analysis of electromagnetic modeling have been reviewed firstly, the mlfma based on integral equation method and its potential deficiency is briefly presented, and the fipwa is introduced then
本文首先回顧了電磁建模的常用分析方法，介紹了基於積分方程方法的多層快速多極子方法，及其某些潛在的缺陷，引出本文研究的快速非均勻平面波演算法。Based on the mesoscopic damage mechanics, numerical code rfpa ( superscript 2d ) was developed to simulate the spallation process of inhomogeneous medium induced by reflection of stress wave under different stress waves ( such as different durations, amplitudes and shapes ), and the behaveiour and mechanism of spallation process were numerically analyzed and discussed
摘要採用基於細觀損傷力學基礎上開發的動態版rfpa （上標2d ）數值模擬軟體，對不同沖擊載荷作用下非均勻介質中應力波反射誘發層裂過程進行數值模擬。The strength is a main mechanics performance index of the concrete. it has always been a focus of material scientific research of concrete. models about mechanics characteristic of concrete were mostly the understanding based on material macroscopical level of concrete in the past. its main characteristic turns the material ideal with heterogeneous, nonuniform nature into the even, continuous body and carry on modeling. this kind simplified and met project practice ' s demands to a certain extent, but it is difficult to study the influence produced toward strength of material of structure of the microcosmic or the mescoscopic within the concrete material with this kind of method
以往有關混凝土力學特性的模型大多是基於混凝土材料宏觀層次的認識，其主要特點是把具有多相、非均勻性質的材料理想化為均勻、連續體進行建模，這種簡化盡管在一定程度上滿足了工程實踐的需要，卻難以用這種方法來研究混凝土材料內部微觀或細觀結構對材料強度所產生的影響，不能說明材料內部結構如孔結構變化時強度的變化規律，也不能用於指導如何改進材料的組成和微觀結構而達到提高混凝土強度的目的。The high similarity in shapes and large overlapping areas of corresponded contours on adjacent cross - sectional are main conditions in reconstructing surface correctly. in accordance with the disadvantage of blurring caused by traditional gray - level interpolation methods, this dissertation introduces a method to interpolate 3d images based on point matching approach to get 3d isotropy volume data. with respect to non - similar shapes or no superposition of corresponded contours on adjacent slices and concave contours, this dissertation presents a method for shape - based interpolation based on nonuniform scale bounding box
相鄰斷層上對應輪廓區域的形狀相似和重疊部分大是保證重建表面正確性的重要條件，針對傳統灰度插值容易引起模糊邊界的缺點，本文採用基於對應點匹配的方法進行灰度插值，以獲得各向同性的三維數據；針對相鄰斷層間對應輪廓的形狀不相似，位置不重合和有凹輪廓線的情況，提出一種基於包圍盒非均勻比例放縮的形狀插值方法。The application of transverse resonance theory is firstly extended further from plane homogeneous medium to the inhomogeneous spatial region by primarily combining the current martcatili method. then the simplex method is used to calculate the source point " s best position, frequency and the correspond wavenumber of the region
重點結合已有的marcatili法，首次將橫向諧振法從平面均勻分層介質中的應用進一步延伸到模擬地殼波導的三維非均勻空間區域中，再利用單純形法，確定源點在該區域的最佳位置、最佳頻率和對應的傳播常數。Hierarchical similarity in an inhomogeneous turbulent wake flow behind multi - rectangular pillars
矩形柱群非均勻湍尾流中的層次相似律Scattering simulation for inhomogeneous layered canopy and random targets beneath canopies by using the mueller matrix solution of the pulse radiative transfer jin yaqiu, chen fei
極化脈沖回波mueller矩陣解數值模擬非均勻分層植被與其中隨機目標的散射[金亞秋，陳扉]Scattering simulation for inhomogeneous layered canopy and random targets beneath canopies by using the mueller matrix solution of the pulse radiative transfer ( jin yaqiu, chen fei )
極化脈沖回波mueller矩陣解數值模擬非均勻分層植被與其中隨機目標的散射[金亞秋，陳扉]Through the settling and analysis of these data, we find that the seabed sediments intensity appears heterogeneity on the plain and the profile under the action of wave loading, i. e., the random or periodic variation of seabed soil intensity in the plain, and hard soil layer in certain depth under the bottom
發現在波浪作用下，黃河口沉積物強度出現了非均勻化，即在平面上，沉積物強度呈現隨機性或間隔性變化；在剖面上，海底面之下一定深度范圍有硬層發育。分享友人