نتایج جستجو برای: clouds meander
تعداد نتایج: 28618 فیلتر نتایج به سال:
Abstract: Printed antennas are becoming one of the most popular designs in personal wireless communications systems. In this paper, the design of a novel tapered meander line antenna is presented. The design analysis and characterization of the antenna is performed using the finite difference time domain technique and experimental verifications are performed to ensure the effectiveness of the n...
An easily manufactured, reduced size, symmetrical printed meander dipole antenna for remote keyless entry (RKE) automotive applications in the 315 MHz frequency band is proposed. The efficiency and directionality of this symmetrical antenna is estimated and compared with the efficiency and directionality of an asymmetrical antenna. Numerical and experimental results are presented. © 2006 Wiley ...
We study the step meandering instability on a surface characterized by the alternation of terraces with different properties, as in the case of Si(001). The interplay between diffusion anisotropy and step stiffness induces a finite wavelength instability corresponding to a meandering mode. The instability sets in beyond a threshold value which depends on the relative magnitudes of the destabili...
The present paper tries to describe the advantage and improvement of a numerical model when predicting government processes on Flow Rivers. With regard to the important effect of the flow velocity and shear stress forces on river bank erosion, we apply a Two-Dimensional numerical model, named CCHE2D, to simulate river flow pattern at a meandering river Khoshk-e-Rud River of Farsan, 30 Km west o...
Meander permutations have been investigated in the context of Gauss words, singularity theory, Sturm global attractors, plane Cartesian billiards, and Temperley-Lieb algebras, among others. In this spirit we attempt to investigate the difference of the orderings of homoclinic orbits on the stable and unstable manifolds of a planar saddle. As an example we consider reversible linear Anosov maps ...
This paper has described use of different types of planar electromagnetic sensors to test integrity of currency coins from several different countries. Three types of planar electromagnetic sensors, Mesh, Meander and Interdigital configuration have been used for testing. An effective method to test the integrity of coins using these three types of sensors has been explored. Finite Element model...
T. Kwee, R. Fijnheer, I. Ludwig, H. Quarles van Ufford, C. Uiterwaal, M. Bierings, T. Takahara, and R-J. Nievelstein Department of Radiology, University Medical Center Utrecht, Utrecht, Netherlands, Department of Hematology, Meander Medical Center, Amersfoort, Netherlands, Department of Hematology, University Medical Center Utrecht, Utrecht, Netherlands, Julius Center for Health Sciences and Pr...
In this paper, the synthesis of a three-band planar antenna working in the GSM (900 and 1800 MHz) and UMTS frequency bands is presented. As reference geometry, a hybrid prefractal shape has been adopted by integrating a Sierpinski-like and a Meander-like structure. The synthesis of the antenna has been performed by optimizing the descriptive geometrical parameters of the reference shape by mean...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید