A conformal mapping of continuous functions and a quasi-conformal mapping of piecewise continuous functions are considered. the specificity of the application of conformal mappings in tomographic methods and algorithms based on the Radon transform is analysed. It is proposed to use discrete Fourier ...
Which process takes place on a surface depends on the following factors: (1) wavelength of the radiation, (2) the characteristics of the incident radiation, (3) angle at which the radiation intersects the surface, and (4) composition and physical properties of the surface. After interaction ...
The need for a regulatory framework for digital therapeutics was the most stated factor at the policy level. Demographic characteristics formed the most iterated patient-related factor, whereas digital literacy was considered the most important factor for health professionals. Among the properties of ...
Properties of a Thin Hollow Superconducting Cylinder The properties of a thin, superconducting cylindrical tube are considered by means of the Ginsburg-Landau theory. The equations have been solved under the ... Douglass,H D. - 《Physical Review》 被引量: 54发表: 1963年 Dimer problem on the ...
The first method requires aglobalfit toequation (3)of a set of experimental CCFs derived for multiple column distances. The flow speed |v| and the properties of the flowing objects (radius and effective diffusion coefficient) are always kept as free parameters in the CCFs fit, whereas the opt...
This paper seeks to extend the Fourier space properties of the discrete Radon transform, R(t,m), proposed by Matus and Flusser in [1], to expanded discrete projections, R(k,胃), where the wrapping of rays is removed. This expanded mode yields projections more akin to the continuous space...
Finite groups represent digital images; the Finite Radon Transform (FRAT) is then applied. To overcome the periodization effect of a finite transform, Do and Vetterli [1] introduce a novel ordering of the FRAT coefficients. This paper introduced a detailed mathematical analysis...
Keystone transform (KT)Radon local mapping sparse-modified Lv’s distribution (RLMSMLVD)This paper focuses on the range migration (RM) and Doppler frequency migration (DFM) problems, which are commonly faced in radar maneuvering target detection during the long-time integration. Considering the ...
In the first phase a crop field database was created by extracting static parcel boundaries from the digital topographic map and by adding dynamic crop boundaries using on-screen digitizing. In the next phase the crop type was determined from the spectral and phenological properties of each field...
The usage of the N-FRAT and FT in the proposed system led to an increase in the orthogonality between the subcarriers due to the application of IFFT in the N-FRAT, which was added to improve the orthogonality and time鈥揻requency localization properties of the FT. Furthermore the proposed...