log periodic antenna
0 1 10 THz single port log periodic antenna design based on hilbert graphene artificial magnetic conductor
... toothed log periodic antenna (TLPA) based on Hilbert curvegraphene artificial magnetic conductor (AMC) is proposed for frequency band ...proposed antenna can be tuned by changing the connected ...
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A Review On UWB Log Periodic Antenna
... UWB log-periodic antenna is among the key components for realizing the UWB ...UWB log-periodic antenna to supply excessive performance is much more challenging than it is when ...
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A Broadband Planar Modified Quasi-Yagi Using Log-Periodic Antenna
... A log-periodic antenna has advantages of large bandwidth, and Yagi-Uda has advantages of higher ...a log-periodic Yagi-Uda array was proposed in [30], but it was difficult to integrate ...
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Design of Four Arm Log Periodic Antenna for MIMO Applications
... of antenna is 90Ω, such that for the two arm log periodic antenna it can be ...arm antenna size is very high when compared to two arms of a four arm log periodic ...
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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
... The array of log-periodic antenna consists of a sequence of side- by-side parallel linear dipoles forming a coplanar array as shown in Figure 1. The lengths, spacings and diameters increase ...
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A Single Broadband Antenna The Log Periodic Antenna
... active log periodic antenna for a single broadband is to achieve the antenna that commonly using microstrip ...this antenna is also very well suited as a directional-antenna for ...
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Log Periodic Antenna Design
... the Log Periodic Antenna circuit to get substrate thickness, width (W), patch length (L), spacing between m+h and (m+1)th element for scaling factor τ is designed and redesign until get the best ...
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Approximate method of analysis of log-periodic antennas with in-phase currents
... Known log-periodic antenna with sinusoidal current distribution along the radiators have a property of automatic currents "cut-off", ...separate antenna section (active region) ...
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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
... band log-periodic and spiral angle dependent dielectric ...dielectric log periodic planar antennas is of the form of two arms forming a bowtie and then the spiral dielectric antenna is ...
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IWO based Synthesis of Log Periodic Dipole Array
... minimum antenna length and maximum gain by employing the Non-dominated Sorting Genetic Algorithm II ...zigzag log-periodic antenna, while in [20] a HF inverted-V LPDA is optimized under ...
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Bandwidth Enhancement of UWB Dual-Polarized Antennas
... Toothed Log-Periodic Antenna and the Sinuous Antenna yield better results in terms of pattern stability but they suffer from either low cross-polarization ratio (TLPA) or polarization inversion ...
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Analysis of Radiation Patterns of Log-Periodic Dipole Array Using Transmission Line Matrix Model
... broadband log-periodic dipole array antenna using Transmission Line Matrix Model is ...A log-periodic dipole antenna is analyzed using Transmission Line Matrix Model within the ...
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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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WIND-PROOF LOG PERIODIC DIPOLE ARRAY FOR CAPTURING SOLAR RADIO BURSTS
... broadband antenna has a wide range of applications [1, ...LPDA antenna that covers VHF and UHF frequencies owing to the size of the antenna and the enormous amount of dipoles it would ...the ...
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Design of a Printed Log-Periodic Dipole Array for Ultra-Wideband Applications
... the antenna using a via-hole inside the ...the antenna performances, an additional mirror coaxial cable, soldered in the top layer of the array, can be ...
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Preliminary design and development of open field antenna test site
... The rapid development of domestic and commercial electrical and electronic equipments increased the demand for electromagnetic compatibility (EMC) test to comply radiated emission requirements from governing body. EMC ...
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On the predictability of ice avalanches
... Fig. 3. Data set of M¨onch glacier, Switzerland. (a) Photo of the measured unstable ice mass. The numbers indicate the location of the measured points. The unstable mass is approximately 50 m high, 300 m long (direction ...
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Log-periodic behavior in a forest-fire model
... ior. The large model fires peak only when the density of trees on the grid exceeds the percolation threshold for tree clusters that span the grid. These spanning clusters are responsible for the peaks that we see in our ...
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