您要查找的是不是:
- Based upon a vectorial identity, an integral equation system concerning electromagnetic field in inhomogeneous medium is derived. 計算三維不均勻介質中測井響應的最常用的方法是有限元素法和有限差分法。
- The drift of wind and rain in the air and the existence of inhomogeneous medium make the locus of lightning behaving as irregular curve. 風雨在空中的漂移和空氣中不均勻介質的存在使閃電的軌跡呈不規則曲線形。
- In order to study laser propagation in inhomogeneous medium, Collins formula was improved by using time inversion characteristic of optic phase conjugation wave. 摘要為了解決非均勻介質中的光傳輸問題,利用光學相位共軛波的時間反演特性,實現了對克斯林衍射積分公式的改進。
- The fracture-vug reservoir in carbonate rock may be regarded as a kind of complicated inhomogeneous medium made up of various low speed bodies, which are random and has different size and form. 摘要碳酸鹽岩洞縫型油氣藏可以看作是由准均質介質中隨機分佈大小形狀各異的低速體共同組成的複雜非均勻介質。
- This paper proposes a new seismotomographic method to determine the velocity distribution and positions of the interfaces in a laterally inhomogeneous medium using seismic travel time data. 本文提出了一種橫向非均勻介質中的地震層析成象方法,由地震走時資料確定介質的速度分佈和界面位置。
- The necessary conditions for construction of normal vector wave functions in inhomogeneous media with graded refractive index are studied. 研究了在漸變折射率介質中構成標準矢量波函數的必要條件。
- Using the updating formula, the measured apparent conductivity of the inhomogeneous media obtained from the model can be updated.Thus the influence of the metal mand... 利用修正公式,可將含金屬芯棒線圈系實測的非均質地層視電導率進行修正,從而在反演之前將金屬芯棒的影響扣除。
- The nonlinear integral equation is first linearized by using Born approximation, and then the measurements are used to reconstruct the twodimensional inhomogeneous media by using the Born iterative method and the distorted Born iterative method. 首先藉助於玻恩近似將非線性積分方程線性化,然後,利用玻恩迭代法和變形玻恩迭代法,由散射場數據對軸對稱二維非均勻介質進行重建。
- Numerical migration for typical models show that, in contrast to ray method, prestack wave motion migration can correctly image inhomogeneous media, and suppress multiple reflection wave effectively. 典型的介質模型數值分析表明,與射線方法相比,接收函數的波動方程疊前偏移能對橫向非均勻介質準確成像,不僅有較高的解析度,而且對多次波有較明顯的壓製作用。
- In this paper the numerical solution of Green's function of potential in 2-D arbitrary inhomogeneous media with axial symmetry has been given by using the numerical mode matching(NMM) theory. 利用數值模式匹配理論,對具有軸對稱的任意二維非均勻介質中位場的格林函數給出數值解。
- A novel inverse iteration method, variational Born iteration method (VBIM), for the inversion and reconstruction of two-dimensional axisymmetic inhomogeneous media is described in this paper. 摘要提出了用於二維軸對稱非均勻介質結構的反演和成像的一種新的反演迭代方法-變分玻恩迭代方法(VBIM)。
- The electromagnetic field of MD in radial inhomogeneous medium 偶極子在徑向非均勻介質中的電磁場分佈
- English is not the usual medium of instruction in our school. 英語不是我校通常使用的教學語言。
- An ASCII control character, end of medium. 一種ASCII碼控制字元,媒體結束符。
- This cloth is of medium quality. 這種布質量平平。
- The ABCD Parameters for Asymmetric Coupled Lines in Inhomogeneous Medium 非均勻介質中非對稱耦合傳輸線的ABCD參數
- He prefers a happy medium in life. 他在生活中甘居中游。
- Gaussian beam (GB) method is a high-frequency asymptotic method of computing wave-fields in inhomogenous media. 高斯射線束(GB)方法是一種用於計算不均勻介質中波場的高頻近似方法。
- A fish in water is in its natural medium. 魚在水裡就是在自然環境中。
- Water is the natural medium in which fish live. 水是魚類賴以生存的自然環境。