log-periodic antenna theory
Analysis of Radiation Pattern of a Log Periodic Dipole Antenna in VHF Frequency
... building log periodic dipole antenna (LPDA) to monitor this occurrence in radio ...the theory of ...logarithmically periodic antennas have been extensively employed because of their ...
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On the Miniaturization of Log Periodic Koch Dipole Antenna Using Split Ring Resonators
... the antenna is considered as locally periodic structure ...harmonic theory, the array should radiate in backfire direction towards apex ...the theory, simulations show that SLPKDA has a backfire ...
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A Printed Log-Periodic Tree-Dipole Antenna (Plptda)
... printed log-periodic dipole antennas [12], etc. Fractal theory is a quite active mathematic branch of nonlinear science, and the research objects of which are certain unsmooth or non- differentiable ...
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Analysis of Radiation Patterns of Log-Periodic Dipole Array Using Transmission Line Matrix Model
... Frequency independent antennas, as a particular class of wideband antennas, were first studied by Rumsey. His simple but significant theory has become the foundation for studying many wideband antennas, such as ...
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ABSTRACT : Antenna is the most important element in wireless and wired communications systems. Antenna is one
... A log-periodic antenna (LP), also known as a log-periodic array or log-periodic aerial, is a multi-element, directional antenna designed to operate over a wide band ...
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A Novel Meander Line Microstrip Log-Periodic Dipole Antenna for Dual-Polarized Radar Systems
... For implementing frequency reuse, the basic requirement is to have good isolation between the two ports providing the polarization diversity, else it may lead to inter-channel interference [9]. In such systems, maximum ...
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DESIGN CONSIDERATION OF ARRAYS FOR THE STUDIES OF RADIATION PATTERN OF LOG PERIODIC DIPOLE ARRAY ANTENNA AT DIFFERENT FREQUENCIES
... The research of Space Weather utilizing the nature of low-frequency solar radio bursts and their potential is enormous [3]. In Space Weather researches Solar radio monitoring will continue to play an indispensable task ...
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Bandwidth Enhancement of UWB Dual-Polarized Antennas
... (Bowtie Antenna, Toothed Log- Periodic Antenna and Sinuous Antenna) showed interesting conclusions in terms of impedance matching bandwidth and radiation pattern ...small antenna ...
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Multi-polarized Sinuous Antennas for Multiple Applications: Comprehensive Review
... sinuous antenna has been discussed in this paper which is mounted on the circular truncated cones surface the performance of the coned conformal sinuous antenna is analysed by its simulation radiation ...
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Ultra Wideband Log-periodic Trapezoidal Antenna on K15 LC-Substrate Material
... wideband antenna which can be operated at specific range of frequencies with light weight, inexpensive and compact ...proposed antenna has good performance over the entire UWB frequency ...
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0 1 10 THz single port log periodic antenna design based on hilbert graphene artificial magnetic conductor
... of periodic surface which can improve the control of electromagnetic wave ...leaky-wave antenna operating at microwave regime with high efficiency and gain in correlation with conventional ground ...insert ...
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Log-periodic behavior in a forest-fire model
... explores log-periodicity in a forest-fire cellular-automata ...satisfy log-periodic scaling to a good ...a periodic or near-periodic sparking frequency also generates a sequence of ...
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Preliminary design and development of open field antenna test site
... An open area test site (OATS) for electromagnetic compatibility (EMC) antennas calibration will be built at the campus of Universiti Tun Hussein Onn Malaysia (UTHM) in Batu Pahat, Johor, Malaysia. The calibration of the ...
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Implementation and Testing of Dual Polarized Parabolic Dish Antenna
... feed antenna aperture distribution and projection of it on the ...reflector antenna, phase centre of it has to be stable in order to achieve optimum f/D ...
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Wideband Reconfigurable Log Periodic Patch Array
... Log periodic antennas have multiple elements, which resonate in a log periodic ...reconfigurable log periodic antenna is ...reconfigurable log periodic ...
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Design and Analysis of Ultra Wide Band log-periodic Planar Dielectric Antenna in Wireless Communications
... dielectric antenna for wireless and mobile applications with good omni directional pattern coverage over extremely wide spectral ...the antenna, which makes them ideal for handheld mobile applications where ...
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Miniaturized Crossed-Dipole Circularly Polarized Fractal Antenna
... fractal antenna with circular polarization is presented in this ...the antenna were built as the Koch curve, and the antenna was mounted on a specially designed ground ...fractal antenna is ...
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Preliminary Design and Development of Open Field Antenna Test Site
... An open area test site (OATS) for electromagnetic compatibility (EMC) antennas calibration will be built at the campus of Universiti Tun Hussein Onn Malaysia (UTHM) in Batu Pahat, Johor, Malaysia. The calibration of the ...
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1. A review on uwb microstrip patched log-periodic antenna
... a log-periodic formation of rectangular fractals is offered for broadside radiation in UWB offerings, where square slots are scale down within the square ...of log-periodic antenna is ...
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Impedance Characteristics of Log Periodic Antenna
... Log Periodic array Antenna is one of the most important and commercially used antennas for ...this antenna is reported in literature, the data of self impedance & mutual impedance is not ...
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