intercede
发表于 2025-3-23 11:47:36
Retro-directive Compact Array Antennas,planar array antennas of the type described in previous chapters. In wireless roles these antennas require to be designed for optimisation of the signal strength between the transmit antenna and the receive antenna or vice versa, and for maximum frequency reuse. As a result, new technological challe
知道
发表于 2025-3-23 16:58:32
Book 2019iation pattern properties can be preserved. This is supported by an examination of recent advances in frequency selective surfaces and in metamaterials, which can, if handled correctly, be used to facilitate physics-defying designs. . .The book offers a valuable source of information for communicat
nautical
发表于 2025-3-23 21:36:41
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Sad570
发表于 2025-3-23 23:24:24
Evolution of Compact Slot Antennas,nd more mobile antennas, offering large bandwidth to the user. Due diligence requires a thorough sifting of this literature, which is inevitably time consuming and expensive when it is so extensive. This chapter aims to identify the primary threads in the historical evolution of antennas influenced
东西
发表于 2025-3-24 06:22:18
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Meager
发表于 2025-3-24 06:36:51
Compact Aperture Antennas,ture field distribution of the given antenna, is studied in detail, for both two dimensional and three dimensional radiation pattern examples. While this area of study has traditionally been associated with large antennas, here we show that the analytical techniques explored are equally applicable t
天空
发表于 2025-3-24 12:25:20
Computational Modelling Techniques for Slot Antennas,cally simplest form in order to ease the computational burden—this was the customary route before massive computer power became readily available—it is more sensible now to employ methods which represent these linear antenna problems in their originally unreduced formats (i.e. as coupled bounded reg
疾驰
发表于 2025-3-24 14:49:58
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无可非议
发表于 2025-3-24 19:08:11
Resonant and Non-resonant Linear Slot Arrays,hesis procedures. The techniques discussed apply predominantly to those arrays where the elemental radiators are separately excited from a multiplicity of sources which can be controlled individually in frequency, radiation phase and magnitude. Equally, they can also apply to arrays fed from a singl
独行者
发表于 2025-3-24 23:16:22
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