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Showing 1 to 3 of 3 for “"Log-Periodic Dipole Antenna"”.
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Log-Periodic Loop Antennas
The Log-Periodic Loop Antenna with Ground Reflector (LPLA-GR) is investigated as a new type of antenna, which provides wide bandwidth, broad beamwidth, and high gain. This antenna has smaller transverse dimensions (by a factor of 2/pi) than a log-periodic dipole antenna with comparable radiation …
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Parametric Yield and Tolerance Optimisation of Electromagnetic Devices using Feature-based Non-Linear Partial Least Squares Polynomial Chaos Expansion Surrogates
… applied to a mid-frequency aperture array (MFAA) log periodic dipole antenna (LPDA) with 93 geometrical variables and an 18-variable KA band ridge waveguide filter terminated with a Vivaldi antenna. This allows for accurate yield and sensitivity estimates using 24 and 100 high-fidelity samples, …
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Logaritmicko-periodická anténa pro UHF pásmo
… práce se zabývá návrhem, analýzou a optimalizací logaritmicko-periodické antény pro měření v pásmu UHF. Anténa je v práci představena spolu s návrhovými vztahy, simulována a optimalizována pro minimalizaci vstupního činitele odrazu a maximalizaci zisku. Dále je doplněna krytem a výsledky simulací …