5,888 resources related to Surface topography
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2021 IEEE Photovoltaic Specialists Conference (PVSC)
Photovoltaic materials, devices, systems and related science and technology
ECTC is the premier international conference sponsored by the IEEE Components, Packaging and Manufacturing Society. ECTC paper comprise a wide spectrum of topics, including 3D packaging, electronic components, materials, assembly, interconnections, device and system packaging, optoelectronics, reliability, and simulation.
All fields of satellite, airborne and ground remote sensing.
OCEANS 2020 - SINGAPORE
An OCEANS conference is a major forum for scientists, engineers, and end-users throughout the world to present and discuss the latest research results, ideas, developments, and applications in all areas of oceanic science and engineering. Each conference has a specific theme chosen by the conference technical program committee. All papers presented at the conference are subsequently archived in the IEEE Xplore online database. The OCEANS conference comprises a scientific program with oral and poster presentations, and a state of the art exhibition in the field of ocean engineering and marine technology. In addition, each conference can have tutorials, workshops, panel discussions, technical tours, awards ceremonies, receptions, and other professional and social activities.
To promote awareness, understanding, advancement and application of ocean engineering and marine technology. This includes all aspects of science, engineering, and technology that address research, development, and operations pertaining to all bodies of water. This includes the creation of new capabilities and technologies from concept design through prototypes, testing, and operational systems to sense, explore, understand, develop, use, and responsibly manage natural resources.
Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.
Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission
Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.
IEEE Computer Graphics and Applications (CG&A) bridges the theory and practice of computer graphics. From specific algorithms to full system implementations, CG&A offers a strong combination of peer-reviewed feature articles and refereed departments, including news and product announcements. Special Applications sidebars relate research stories to commercial development. Cover stories focus on creative applications of the technology by an artist or ...
Methods, algorithms, and human-machine interfaces for physical and logical design, including: planning, synthesis, partitioning, modeling, simulation, layout, verification, testing, and documentation of integrated-circuit and systems designs of all complexities. Practical applications of aids resulting in producible analog, digital, optical, or microwave integrated circuits are emphasized.
2.5D Printing: Bridging the Gap Between 2D and 3D Applications, None
This chapter explores the relationship between images, pictures and reproductions. It also explores different ways to describe 2.5dimensional (2.5D), the relationship between texture, material and object, the emotional and perceptual relationship with materials, how artists convey the appearance of materials and how materials can be measured and quantified. Artists have been constantly fascinated by the pictorial representation of a three‐dimensional ...
Radio Propagation and Adaptive Antennas for Wireless Communication Networks, None
This chapter provides a brief description of the terrain features and various propagation situations in terrestrial communications related to the terminal antenna positions with respect to building rooftops. It focuses on the description of the propagation channel when two antennas are placed on a flat terrain and under line‐of‐sight (LOS) conditions, when a free‐space propagation concept can be used and ...
Proceedings of the 1981 2nd International Symposium on Unmanned Untethered Submersible Technology, 1981
EPAULARD is designed to conduct deep water bottom photography and topographic proffiling to depths of 6,000 m. It was launched in 1979 and has made 72 dives since that time; 40 of these dives have been to depths between 1,000 and 5,300 m. The vehicle is launched negatively buoyant and, once it has reached a pre- designated height above the ...
IEEE Transactions on Medical Imaging, 2006
 49th Annual Device Research Conference Digest, 1991
IMS 2011 Microapps - A Multi-Level Conductor Surface Roughness Model
Quantum Computation - ASC-2014 Plenary series - 4 of 13 - Tuesday 2014/8/12
IMPASS: Intelligent Mobility Platform with Active Spoke System
Life Sciences: Surface Enhanced Raman Spectroscopy, and more
3D Body-Mapping for Severely Burned Patients - Julia Loegering - IEEE EMBS at NIH, 2019
IEEE Magnetics Distinguished Lecture - Yoshichika Otani
BSIM Spice Model Enables FinFET and UTB IC Design
Making Orthogonal Transitions with Climbing Mini-Whegs
A Robot to Mine the Moon
Microwave PCB Structure Selection Microstrip vs. Grounded Coplanar Waveguide: MicroApps 2015 - Rogers Corporation
Silicon THz: an Opportunity for Innovation
Perpendicular magnetic anisotropy: From ultralow power spintronics to cancer therapy
IROS TV 2019-STAR LAB at the University of Surrey Space Technology for Autonomous systems & Robotics
Lighting the Way: Optical Sensors in the Life Sciences
ASC-2014 SQUIDs 50th Anniversary: 4 of 6 - Keiji Enpuku
Robotics History: Narratives and Networks Oral Histories: Larry Matthies
Demonstrations of Gravity-Independent Mobility and Drilling on Natural Rock using Microspines
HARI SRIKANTH - IEEE Magnetics Distinguished Lecture
ISEC 2013 Special Gordon Donaldson Session: Remembering Gordon Donaldson - 5 of 7 - SQUID Instrumentation for Early Cancer Diagnostics
This chapter explores the relationship between images, pictures and reproductions. It also explores different ways to describe 2.5dimensional (2.5D), the relationship between texture, material and object, the emotional and perceptual relationship with materials, how artists convey the appearance of materials and how materials can be measured and quantified. Artists have been constantly fascinated by the pictorial representation of a three‐dimensional world through the two‐dimensional media of painting and drawing, and by employing drawing elements such as perspective, illusion, colour, texture, light and shade to create more convincing and immersive environments. In order to address issues relating to reproduction of digital prints, one approach has been to tag artworks, whereby each print is allocated its own security code and DNA, which can then be linked to a certificate of authentication. Printing technologies are now moving away from the reproduction of entire objects to concentrate on macrotextural elements.
This chapter provides a brief description of the terrain features and various propagation situations in terrestrial communications related to the terminal antenna positions with respect to building rooftops. It focuses on the description of the propagation channel when two antennas are placed on a flat terrain and under line‐of‐sight (LOS) conditions, when a free‐space propagation concept can be used and is described by a two‐ray model. The chapter talks about the radio propagation in a “hilly terrain”, where we replace the hill by a “knife edge” and introduce Lee's empirical model. It discusses the prediction radio losses in rural forest area links based on a stochastic model that describes multiscattering effects from trees. This model is compared with standard empirical, analytical, and statistical models. The chapter describes problems of radio propagation in urban and suburban areas. Finally, the chapter describes effects of depolarization of radio waves in built‐up areas.
EPAULARD is designed to conduct deep water bottom photography and topographic proffiling to depths of 6,000 m. It was launched in 1979 and has made 72 dives since that time; 40 of these dives have been to depths between 1,000 and 5,300 m. The vehicle is launched negatively buoyant and, once it has reached a pre- designated height above the bottom, it drops Its descent wefght and becomes slightly positively buoyant. A drag chain holds it a specified distance (3-7 meters) above the bottom, according to the required resolution of the survey data control EPAULARD's course ts controlled by an acoustick link from the surface. Having completed Its mission, the vehicle drops an ascent weight and returns to the surface.
Based on the multichannel brightness temperature observations of Chinese Chang'E-1 lunar satellite, inversions of the physical temperature profile of the lunar regolith medium and its layer thickness are discussed. The correspondence of the brightness temperature distribution to the lunar topography is demonstrated and discussed, especially around lunar polar regions under poor solar illumination. As examples, in two areas, along the lunar equator and along the line of longitude 150°W, the physical temperature profile of regolith layer and its thickness are inverted using a three-layer model of thermal radiative transfer. The results which are based on some Apollo measurements are compared with an empirical formulation of the physical temperature as a function of latitude.
In this paper we introduce a new radar-imaging technique, called polarization coherence tomography (PCT), which employs variation of the interferometric coherence with polarization to reconstruct a vertical profile function in penetrable volume scattering. We first show how this profile function can be efficiently represented as a Fourier-Legendre series, with tomographic reconstruction reducing to estimation of the unknown coefficients of this series from coherence data. We then show that we can linearize this inversion by using a priori knowledge of two parameters, namely, volume depth and topographic phase. We further propose a new algorithm based on polarimetric interferometry to estimate these two from the data itself. To assess stability, we investigate both the single- and dual-baseline conditioning of the associated matrix inversion and then concentrate on the single-baseline case to demonstrate that for sufficient multilooking (around 50), stable retrievals of profiles can be obtained in the presence of coherence noise. Finally, we apply the technique to simulated L band coherent radar data to demonstrate its potential for new applications in radar remote sensing.
Kirchhoff integral (KI) techniques provide an effective means of simulating radio wave propagation in nonhomogeneous media with complex boundaries. In particular, these techniques can handle quite general boundary topography. Due to the translation-dependent nature of their kernels, however, they cannot take advantage of the fast Fourier transform (FFT) techniques that give the parabolic equation methods their speed. In this paper it is shown that, by means of approximate kernels, the KI technique can be recast in a form where FFT techniques can be applied. Furthermore, through the use of effective reflection coefficients, the technique can handle quite general boundary topography without the need for boundary flattening transformations. The technique is demonstrated through the simulation of several complex 2-D and 3-D radio wave propagation scenarios.
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