Abstract
A conformal antennas are plays an important role due to its multitasking possibilities , which have many opportunities in several applications. In this study, a new design of cylindrical rectangular microstrip antenna(CRMA ) excited at mode, was achieved in order to operate at the frequency of 5.6GHz. The simulation was done by Finite Difference Time Domain(FDTD) method using MATLAB program. The input impedance, return loss and radiation pattern of antenna were calculated and plotted. By using the slots technique and dual-layers substrate technique , the bandwidth(BW) is increased to 88.88% . Also BW is increased as the dielectric constant value is decreased.
Highlights
Antenna is an essential part of a transferrer of the energy system for multipoint communication purpose for which increased the efficiency and the gain and decreased the wave interference
A conformal antennas is defined as those antennas that can be constructed to a specific shape or with curved surface by just changing the shape of the antenna ground plane
In 1966 Kane Yee proposed a modified of Transmission Line Matrix (TLM) method which is today called Finite Difference Time Domain (FDTD) method
Summary
Antenna is an essential part of a transferrer of the energy system for multipoint communication purpose for which increased the efficiency and the gain and decreased the wave interference. The conformal antennas technique is pertinent with the evolution of space information technique and the evolution of microwave devices technique [2]. A conformal antennas is defined as those antennas that can be constructed to a specific shape or with curved surface by just changing the shape of the antenna ground plane. The patch can be rolls on the base without getting any unacceptable changes in its radiation characteristics and does not cause an additional drawback. They can be found in a high-speed train, airplane or in defense systems, navigation, various communication systems, equipment landing systems, altimeter radar, wearable devices and so on [3]. Narrow bandwidth is the major disadvantage of these antennas and the efficiency of their performance have a high sensitivity to any frequency change [5]
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