NDLI: Investigation of wrapped effects on bow-tie antenna with and without resistive loading for pulsed radar applications

Content Provider	IET Digital Library
Author	Lee, D. Melek, W. Shaker, G.
Abstract	The effects of the wrapped bow-tie antenna with and without resistive loading are explored for pulsed radar applications. The antenna characteristics such as voltage standing wave ratio, input impedance, reflected pulse of the antennas and radiated electric field are investigated by fully wrapping the planar bow-tie antenna. The antenna characteristics of the loaded antennas are shown to be robust with respect to the deformation of the planar bow-tie antenna. The peak-to-peak antenna reflected voltages of the conventional bow-tie planar antenna (PA) and bow-tie wrapped antenna (WA) are 0.24 and 0.49 V, respectively, whereas those of the resistor-loaded PA (RPA) and the resistor-loaded WA (RWA) are 0.23 and 0.25 V, respectively. The calculated figure of merit of the PA and WA are −4.58 and −7.92 dB, respectively, whereas those of the RPA and RWA are −20 and −18.42 dB, respectively. On the basis of the performance evaluation, the pulse radiating performance of the resistively loaded antennas is shown to be stable with respect to the deformation of the planar bow-tie antenna.
Starting Page	7
Ending Page	8
Page Count	2
ISSN	00135194
Volume Number	55
e-ISSN	1350911X
Issue Number	Issue 1, Jan (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/55/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2018.6761
Journal	Electronics Letters
Publisher Date	2018-11-15
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Antenna Characteristic Antenna Radiation Pattern Bow-tie Antenna Broadband Antenna Conventional Bow-tie Planar Antenna Deformation Peak-to-peak Antenna Reflected Voltage Planar Antenna Planar Bow-tie Antenna Deformation Pulse Radiating Performance Pulsed Radar Application Radar Antenna Radar Equipment Radiated Electric Field Reflected Pulse Resistive Loading Resistively Loaded Antenna Resistor-loaded PA Resistor-loaded WA Single Antenna System And Application Voltage 0.23 V Voltage 0.24 V Voltage 0.25 V Voltage 0.49 V Voltage Standing Wave Ratio Wrapped Bow-tie Antenna Wrapped Effect
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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