Results 11 to 20 of about 1,336,459 (329)
Dizhen xuebao, 2022 地震波在穿越地下散射体群时会产生多级散射波，分析其地震响应特征，可推断散射体的分布情况和性质。本文从二维标量波动方程出发，结合地震散射理论和波恩近似理论，推导了多级散射波方程。在此基础上，采用高阶有限差分法对双点散射体模型和复杂散射体模型进行数值模拟，分析了多级散射波的传播规律和波场特征，并通过抽取多级散射记录和各级散射记录的单道记录与参考单道记录的对比，验证了本文推导散射波方程的准确性。
Bo Zhang +4 more
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Influence of Sea Level Anomaly on Underwater Gravity Gradient Measurements
Sensors, 2022 Considering the theoretical research needs of gravity gradient detection and navigation, this study uses the right rectangular prism method to calculate the disturbing gravity gradient from sea level anomalies in the range of 5° × 5° in the Kuroshio ...
Pengfei Xian +3 more
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Synthetic Gene Circuits: Design with Directed Evolution [PDF]
, 2007 Synthetic circuits offer great promise for generating insights into nature's underlying design principles or forward engineering novel biotechnology applications. However, construction of these circuits is not straightforward.
Arnold, Frances H., Haseltine, Eric L.
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3D Airborne EM Forward Modeling Based on Time-Domain Spectral Element Method
Remote Sensing, 2021 Airborne electromagnetic (AEM) method uses aircraft as a carrier to tow EM instruments for geophysical survey. Because of its huge amount of data, the traditional AEM data inversions take one-dimensional (1D) models.
Changchun Yin +6 more
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A Geometric Multigrid Method for 3D Magnetotelluric Forward Modeling Using Finite-Element Method
Remote Sensing, 2023 The traditional three-dimensional (3D) magnetotelluric (MT) forward modeling using Krylov subspace algorithms has the problem of low modeling efficiency.
Xianyang Huang +8 more
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Frontiers in Earth Science, 2023 Ensuring the safety of coal mine production requires accurate forecasting of coal road heading faces in advance. Because of its high resistance to electromagnetic interference, the mine direct current (DC) method has been widely utilized in the advanced ...
Haijun Xie +8 more
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A novel approach to solve forward/inverse problems in remote sensing applications
Frontiers in Remote Sensing, 2022 Inversion of electromagnetic (EM) signals reflected from or transmitted through a medium, or emitted by it due to internal sources can be used to investigate the optical and physical properties of a variety of scattering/absorbing/emitting materials ...
Knut Stamnes +13 more
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Ear-EEG sensitivity modeling for neural sources and ocular artifacts
Frontiers in Neuroscience, 2023 The ear-EEG has emerged as a promising candidate for real-world wearable brain monitoring. While experimental studies have validated several applications of ear-EEG, the source-sensor relationship for neural sources from across the brain surface has not ...
Metin C. Yarici +2 more
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Design of 2D TeraHertz band-gap photonic waveguides using an accelerated integral equation technique [PDF]
, 2009 This paper describes the application of the buffered block forward backward (BBFB) method to the problem of modeling 2D terahertz (THz) photonic band gap waveguides at the frequency of 3 THz.
Bogusevschi, Diana +3 more
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Diamonds and Forward Variance Models
SSRN Electronic Journal, 2022 In this non-technical introduction to diamond trees and forests, we focus on their application to computation in stochastic volatility models written in forward variance form, rough volatility models in particular.
Friz, Peter, Gatheral, Jim
openaire +2 more sources