نتایج جستجو برای: 2 ratio
تعداد نتایج: 2879109 فیلتر نتایج به سال:
This paper proposes a wideband circularly polarized antenna with reconfigurable 2-dimensional axial ratio. For mobile satellite communication, the low profile CP wide ratio scanning and frequency bandwidth is essential. In this paper, we propose an controller. The deteriorates when difference between transverse modes (TM)01 TM10 gets larger. Therefore, in proposed antenna, controller used to co...
The problem of adaptation of structured 2-D grids to a control function is investigated. We aim to create a grid with highly stretched and nearly orthogonal cells in regions of control function’s singularities of thin-layer type. Adaptation is performed by optimizing a mesh quality functional via node-movement. Construction of the functional is specifically investigated. The presented functiona...
We show how the stability of the E2/M1 ratio, evaluated at the T-matrix pole, can be understood given a much wider variation at the
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