搜索结果: 1-15 共查到“工学 Scattering”相关记录103条 . 查询时间(0.121 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Fast and accurate solvers for the three dimensional elastic scattering problems
三维弹性 散射 求解器 弹性波
2023/4/26
The scattering problems for elastic waves have recently received ever increasing attentions in both the engineering and mathematical communities for their important applications in geophysics and seis...
光电信息大讲堂第210期：From discovery of random Raman lasing via natural Rayleigh scattering in ultra-long fibers to unique lasing and sensing features of multimode and multicore fibers with fs-inscribed regular and random 3D refractive-index structures
拉曼光纤激光器 输出光束 折射率光纤
2023/4/17
在二极管泵浦的拉曼光纤激光器的多模渐变折射率光纤中，通过飞秒脉冲刻写FBG，可产生接近衍射极限的输出光束。这一技术已经应用于工业（通信、生物医学、材料加工、基础设施和能源行业）中的各种激光和传感器系统。从超长光纤自然瑞利散射引起的随机拉曼激光的发现出发，主讲人将介绍使用fs脉冲刻写具有规则/随机的3D折射率结构的多模、多芯光纤的技术，以及新型光纤所具有的独特激光和传感性能，这种新型光纤有望在物理上...
RETRIEVAL OF AEROSOL OPTICAL PROPERTIES FROM GROUND-BASED REMOTE SENSING MEASUREMENTS: AEROSOL ASYMMETRY FACTOR AND SINGLE SCATTERING ALBEDO
Devaux-Vermeulen-Li method aerosol single scattering albedo asymmetry factor Sun-sky radiometer AERONET
2018/5/15
The Devaux-Vermeulen-Li method (DVL method) is a simple approach to retrieve aerosol optical parameters from the Sun-sky radiance measurements. This study inherited the previous works of retrieving ae...
SAR IMAGE SIMULATION OF SHIP TARGETS BASED ON MULTI-PATH SCATTERING
Ships Synthetic Aperture Radar(SAR) Imaging simulation Multipath scattering Feature Ellipse
2018/5/14
Synthetic Aperture Radar (SAR) plays an important role in the classification and recognition of ship targets because of its all-weather working ability and fine resolution. In SAR images, besides the ...
Researchers develop radar simulator to characterize scattering of debris in tornadoes
Researchers radar simulator scattering debris tornadoes
2017/7/19
Researchers have developed the first numerical polarimetric radar simulator to study and characterize the scattering of debris particles in tornadoes. (See video)
The results of their study are publi...
OU Researchers Develop Radar Simulator to Characterize Scattering Mechanisms of Debris Particles in Tornadoes
OU Researchers Radar Simulator Characterize Scattering Mechanisms Debris Particles Tornadoes
2017/7/19
A University of Oklahoma research team with the Advanced Radar Research Center has developed the first numerical polarimetric radar simulator to study and characterize scattering mechanisms of debris ...
2017光学相干成像技术和散射介质成像专题会议（2017 Conferences on Optical Coherence Imaging Techniques and Imaging in Scattering Media）
2017 光学相干成像技术和散射介质成像 专题会议
2017/4/25
This conference is a continuation of “Optical Coherence Tomography and Coherence Techniques” and seeks to broaden the scope to cover the general area of imaging in biological scattering media based on...
DYKE MONITORIN BY THE MEANS OF PERSISTENT SCATTERING INTERFEROMETRY AT THE COAST OF NORTHERN GERMANY
SAR-Interferometry Persistent Scattering Interferometry displacement measurement
2016/11/30
40 percent of the world's population are presently living in coastal areas or along the main rivers. Taking into account that the vulnerability of these areas is increasing due to sea-level rise and c...
ANISOTROPIC SCATTERING SHADOW COMPENSATION METHOD FOR REMOTE SENSING IMAGE WITH CONSIDERATION OF TERRAIN
Soft Shadow Shadow Compensation Anisotropy Diffuse Solar Radiation Sky View Factor
2016/7/4
With the rapid development of sensor networks and earth observation technology, a large quantity of high resolution remote sensing data is available. However, the influence of shadow has become increa...
STUDIES OF OCEAN’S SCATTERING PROPERTIES BASED ON AIRSAR DATA
Polarimetric SAR Feature extraction KS test AIRSAR Image understanding Oceans
2015/12/31
The scattering properties of ocean are studied based on the measured AIRSAR data in this paper from 3 different sides, which are statistical analysis of sea clutter, the variety trend of polarimetric ...
CONFIGURATION OF L-BAND POLARIMETRIC SIGNATURES AND SCATTERING MECHANISMS OF FOREST TARGETS IN THE BRAZILIAN AMAZON
Forestry,Land cover SAR Inventory Monitoring Recognition
2015/12/28
The objective of this study is to analyze the graphic representation of polarimetric signatures of airborne SAR-R99B data (L-band) in primary forest, secondary successions, forest with timber exploita...
A MODIFIED H-α PLANE FOR THE EXTRACTION OF SCATTERING MECHANISMS FROM DUAL CIRCULAR POLARIZATION SAR DATA
Compact polarimetry Dual Circular Polarisation mode classification producer’s accuracy entropy alpha
2016/1/15
Cloude–Pottier entropy and α-angle are two important parameters for the interpretation of fully polarimetric data. They indicate the randomness of the polarisation of the back scattered waves and the ...
CLASSIFICATION OF POLARIMETRIC SAR IMAGES BASED ON SCATTERING MECHANISMS
Classification polarimetry decomposition Pauli polarimetric response scattering
2015/9/28
Polarimetric classification is one of the most significant applications of polarimetric radar in remote sensing. During the last decade, several research tasks revealed the contribution of polarimetri...
Two dimensional inverse scattering from buried magnetic anomalies
ground penetrating radar magnetic anomalies electromagnetic scattering microwave tomography linear inverse scattering
2015/9/1
This paper deals with the problem of the electromagnetic linear inverse scattering from magnetic anomalies
buried in a lossy half space, for a scalar and two dimensional case. First, the formulation ...
Tsunami Scattering and Earthquake Faults in the Deep Pacific Ocean
Tsunami Scattering Earthquake Faults
2015/7/29
Tectonic processes in the deep ocean occur over an immerse range of temporal and spatial scales. The shortest in time are from seconds to minutes during which earthquakes and landslides occur. The rec...