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Jakobus (
Ulrich Jakobus (born 1967) is Senior Vice President - Electromagnetic Solutions of Altair, Germany and was awarded Fellow of the Institute of Electrical and Electronics Engineers (IEEE) in 2013 ''for leadership in hybrid computational tool development and commercialization''. His research laid the foundations for the commercial electromagnetics code FEKO which is used in antenna design, antenna placement, electromagnetic compatibility, microwave components, bioelectromagnetics, radar cross section and related fields. Education and career Jakobus was born in 1967 in Kirchheim unter Teck, Germany to Manfred Jakobus and Ingrid Jakobus (née Gabriel). He studied at the University of Stuttgart and received a Diploma in Electrical Engineering in 1991 and a PhD in Electrical Engineering in 1994. He was appointed to the position of Professor in 1997. From 1991 to 2000 he was employed by the Institut für Hochfrequenztechnik (Institute for High-Frequency Technology) at the University o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kirchheim Unter Teck
Kirchheim unter Teck (, ; Swabian German, Swabian: ''Kircha'') is a town in Baden-Württemberg, Germany, in the Esslingen (district), district of Esslingen. It is located on the small river Lauter (Neckar), Lauter, a tributary of the Neckar. It is 10 km (6 miles) near the Burg Teck, Teck castle, approximately southeast of Stuttgart. It is the fourth city in the Esslingen (district), Esslingen district, forming a district centre for the surrounding communities. Since 1 April 1956, Kirchheim unter Teck has the status of Große Kreisstadt. The city forms a ''Verwaltungsgemeinschaft'' (administrative community) with the neighbouring municipalities Dettingen unter Teck, Dettingen and Notzingen. Kirchheim unter Teck was also, for several centuries, seat of the Oberamt Oberamt Kirchheim, (Oa.) Kirchheim. Geography Kirchheim unter Teck is located in the foothills of the central Swabian Jura, Swabian ''Alb'', north of the Albtrauf escarpment and its foothills: the Teckberg, Breit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heinz Maier-Leibnitz-Preis
The Heinz Maier-Leibnitz-Preis (Heinz Maier-Leibnitz Prize), in honor and memory of the German physicist Heinz Maier-Leibnitz, is funded by the ''Bundesministerium für Bildung und Forschung'' (BMBF, German Ministry of Education and Research), and it is awarded by a selection committee appointed by the ''Deutsche Forschungsgemeinschaft'' (DFG, German Research Foundation) and the BMBF. Since 2013, there are ten recipients of the prize and each receives 20,000 Euros, which is an increase over the original 16,000 Euros that had been given to six recipients per year until 2012. Since 2021, the prize money has been increased to 200,000 Euros. Nominees for the award may be put forward by: *Members of the DFG Review Boards *Research universities of the Federal Republic of Germany *The ''Union der deutschen Akademien der Wissenschaften'' (Union of the German Academies of Sciences and Humanities)Union der deutschen Akademien der Wissenschaften' *The Max Planck Society *The Helmholtz Associ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fellows Of The IEEE
, the Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers (IEEE) is an American 501(c)(3) public charity professional organization for electrical engineering, electronics engineering, and other related disciplines. The IEEE has a corporate office ... (IEEE) has 7,236 members designated Fellow, each of whom is associated with at least one of the 41 societies under the IEEE. The Fellow grade of membership is the highest level of membership, and cannot be applied for directly by the member – instead the candidate must be nominated by others. This grade of membership is conferred by the IEEE board of directors in recognition of a high level of demonstrated extraordinary accomplishment. * Aerospace and Electronic Systems Society – List of fellows * Antennas & Propagation Society – List of fellows * IEEE Broadcast Technology Society – List of fellows * Circuits and Systems Society – List of fellows * Communica ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Characteristic Mode Analysis
Characteristic modes (CM) form a set of functions which, under specific boundary conditions, diagonalizes operator relating field and induced sources. Under certain conditions, the set of the CM is unique and complete (at least theoretically) and thereby capable of describing the behavior of a studied object in full. This article deals with characteristic mode decomposition in electromagnetics, a domain in which the CM theory has originally been proposed. Background CM decomposition was originally introduced as set of modes diagonalizing a scattering matrix. The theory has, subsequently, been generalized by Harrington and Mautz for antennas. Harrington, Mautz and their students also successively developed several other extensions of the theory. Even though some precursors were published back in the late 1940s, the full potential of CM has remained unrecognized for an additional 40 years. The capabilities of CM were revisited in 2007 and, since then, interest in CM has dramatica ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dielectric
In electromagnetism, a dielectric (or dielectric medium) is an Insulator (electricity), electrical insulator that can be Polarisability, polarised by an applied electric field. When a dielectric material is placed in an electric field, electric charges do not flow through the material as they do in an electrical conductor, because they have no loosely bound, or free, electrons that may drift through the material, but instead they shift, only slightly, from their average equilibrium positions, causing dielectric polarisation. Because of Polarisation density, dielectric polarisation, positive charges are displaced in the direction of the field and negative charges shift in the direction opposite to the field. This creates an internal electric field that reduces the overall field within the dielectric itself. If a dielectric is composed of weakly Chemical bond, bonded molecules, those molecules not only become polarised, but also reorient so that their Symmetry axis, symmetry axes a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anisotropy
Anisotropy () is the structural property of non-uniformity in different directions, as opposed to isotropy. An anisotropic object or pattern has properties that differ according to direction of measurement. For example, many materials exhibit very different physical or mechanical properties when measured along different axes, e.g. absorbance, refractive index, conductivity, and tensile strength. An example of anisotropy is light coming through a polarizer. Another is wood, which is easier to split along its grain than across it because of the directional non-uniformity of the grain (the grain is the same in one direction, not all directions). Fields of interest Computer graphics In the field of computer graphics, an anisotropic surface changes in appearance as it rotates about its geometric normal, as is the case with velvet. Anisotropic filtering (AF) is a method of enhancing the image quality of textures on surfaces that are far away and viewed at a shallow angle. Older ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fundamental Solution
In mathematics, a fundamental solution for a linear partial differential operator is a formulation in the language of distribution theory of the older idea of a Green's function (although unlike Green's functions, fundamental solutions do not address boundary conditions). In terms of the Dirac delta "function" , a fundamental solution is a solution of the inhomogeneous equation Here is ''a priori'' only assumed to be a distribution. This concept has long been utilized for the Laplacian in two and three dimensions. It was investigated for all dimensions for the Laplacian by Marcel Riesz. The existence of a fundamental solution for any operator with constant coefficients — the most important case, directly linked to the possibility of using convolution to solve an arbitrary right hand side — was shown by Bernard Malgrange and Leon Ehrenpreis, and a proof is available in Joel Smoller (1994). In the context of functional analysis, fundamental solutions are usually ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Boundary Element Method
The boundary element method (BEM) is a numerical computational method of solving linear partial differential equations which have been formulated as integral equations (i.e. in ''boundary integral'' form), including fluid mechanics, acoustics, electromagnetics (where the technique is known as method of moments or abbreviated as MoM), fracture mechanics, and contact mechanics. Mathematical basis The integral equation may be regarded as an exact solution of the governing partial differential equation. The boundary element method attempts to use the given boundary conditions to fit boundary values into the integral equation, rather than values throughout the space defined by a partial differential equation. Once this is done, in the post-processing stage, the integral equation can then be used again to calculate numerically the solution directly at any desired point in the interior of the solution domain. BEM is applicable to problems for which Green's functions can be calculated. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Finite-difference Time-domain Method
Finite-difference time-domain (FDTD) or Yee's method (named after the Chinese American applied mathematician Kane S. Yee, born 1934) is a numerical analysis technique used for modeling computational electrodynamics. History Finite difference schemes for time-dependent partial differential equations (PDEs) have been employed for many years in computational fluid dynamics problems, including the idea of using centered finite difference operators on staggered grids in space and time to achieve second-order accuracy. The novelty of Yee's FDTD scheme, presented in his seminal 1966 paper, was to apply centered finite difference operators on staggered grids in space and time for each electric and magnetic vector field component in Maxwell's curl equations. The descriptor "Finite-difference time-domain" and its corresponding "FDTD" acronym were originated by Allen Taflove in 1980. Since about 1990, FDTD techniques have emerged as primary means to computationally model many scientific and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electromagnetic Shielding
In electrical engineering, electromagnetic shielding is the practice of reducing or redirecting the electromagnetic field (EMF) in a space with barriers made of conductive or magnetic materials. It is typically applied to enclosures, for isolating electrical devices from their surroundings, and to cables to isolate wires from the environment through which the cable runs (). Electromagnetic shielding that blocks radio frequency (RF) electromagnetic radiation is also known as RF shielding. EMF shielding serves to minimize electromagnetic interference. The shielding can reduce the coupling of radio waves, electromagnetic fields, and electrostatic fields. A conductive enclosure used to block electrostatic fields is also known as a '' Faraday cage''. The amount of reduction depends very much upon the material used, its thickness, the size of the shielded volume and the frequency of the fields of interest and the size, shape and orientation of holes in a shield to an incident elec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Finite Element Method
Finite element method (FEM) is a popular method for numerically solving differential equations arising in engineering and mathematical modeling. Typical problem areas of interest include the traditional fields of structural analysis, heat transfer, fluid flow, mass transport, and electromagnetic potential. Computers are usually used to perform the calculations required. With high-speed supercomputers, better solutions can be achieved and are often required to solve the largest and most complex problems. FEM is a general numerical method for solving partial differential equations in two- or three-space variables (i.e., some boundary value problems). There are also studies about using FEM to solve high-dimensional problems. To solve a problem, FEM subdivides a large system into smaller, simpler parts called finite elements. This is achieved by a particular space discretization in the space dimensions, which is implemented by the construction of a mesh of the object: the numer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Deutsche Forschungsgemeinschaft
The German Research Foundation ( ; DFG ) is a German research funding organization, which functions as a self-governing institution for the promotion of science and research in the Federal Republic of Germany. In 2019, the DFG had a funding budget of €3.3 billion. Function The DFG supports research in science, engineering, and the humanities through a variety of grant programmes, research prizes, and by funding infrastructure. The self-governed organization is based in Bonn and financed by the German states and the federal government of Germany. the organization consists of approximately 100 research universities and other research institutions. The DFG endows various research prizes, including the Leibniz Prize. The Polish-German science award Copernicus is offered jointly with the Foundation for Polish Science. According to a 2017 article in ''The Guardian'', the DFG has announced it will publish its research in online open-access journals. Background In 1937, th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
