Design of A Ku-band Corrugated Horn With Good-Symmetrical Pattern

Li, Simin; Liu, Zhuo; Cao, Weihua; Yu, Xiaojun; Wang, Yiying; Yu, Chen

doi:10.1109/isape.2018.8634016

Cited by 6 publications

(2 citation statements)

References 4 publications

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“…In Fig. 5 we observe that the phase difference between perpendicular linear polarizations, which is introduced by the optimized circular waveguide polarizer, has quasi-parabolic frequency dependence that is typical for polarizer structures based on transmission lines loaded by reactive discontinuities [13], [15], [40]- [42]. Phase difference between perpendicular linear polarizations of the optimized polarizer is equal to the required in ideal case value of 90°only at two frequencies of 7. approximately equal to the central frequency of the operating band.…”

Section: Results Of the Optimization Of Waveguide Polarizer Characteristicsmentioning

confidence: 82%

Circular Waveguide Polarizer for Weather Radars and Satellite Information Systems

Piltyay

2021

J. Microw. Optoelectron. Electromagn. Appl.

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This research presents the design and main electromagnetic characteristics of the novel compact microwave waveguide polarizer. The developed device's structure is based on a circular waveguide and anti-phase conducting posts located in it. The application of a circular waveguide instead of a square one allowed simple integration of a polarizer with corrugated horn antennas. The obtaining of required phase difference using a postsbased design provides the possibility of fine tuning of the developed circular waveguide polarizer after its manufacturing process. In addition, simultaneous adaptive operation at orthogonal circular and linear polarizations is available in the antenna system including a polarizer with posts. An automatic control of posts height must be applied in a waveguide in order to provide this option. Numerical simulation, optimization, manufacture and measurements of the polarizer's characteristics were carried out in the operating band 7.4-8.5 GHz. Measured characteristics proved that the suggested circular waveguide polarizer provides good matching and polarization performance. Developed circular waveguide polarizer can be integrated in corrugated horn antenna systems and applied in modern weather radars and satellite information systems.

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Section: Results Of the Optimization Of Waveguide Polarizer Characteristicsmentioning

confidence: 82%

Circular Waveguide Polarizer for Weather Radars and Satellite Information Systems

Piltyay

2021

J. Microw. Optoelectron. Electromagn. Appl.

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“…In large reflector antenna systems for satellite communications main polarization characteristics are determined by the microwave feed network [8]. Typically, it includes a corrugated horn [9][10][11][12][13][14], a waveguide polarization converter [15][16][17][18][19], a 45° waveguide twist [7,8] and a guidebased orthomode duplexer [20][21][22][23][24]. The dimensions of each specified component of a feed must be optimized for the required operating frequency band.…”

Section: Introductionmentioning

confidence: 99%

Square Waveguide Polarizer with Diagonally Located Irises for Ka-Band Antenna Systems

Piltyay

2021

AEM

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This article presents the results of development and optimization of a new square waveguide polarizer with diagonally located square irises. The application of suggested geometrical modification of irises form and location instead of a standard wall-to-wall irises configuration allows to exclude 45-degree twists between wideband waveguide polarizer and orthomode transducer of a dual-polarized antenna feed system. In addition, a waveguide polarizer and polarization duplexer can be manufactured by milling technology as two single details, which makes the proposed engineering solution reliable, simple for simulation, development and application. Suggested new polarizer design was developed for the satellite operating Ka-band. It contains 12 irises, which are symmetrically located in the diagonal corners of a square waveguide. Obtained optimal polarization converter provides excellent matching and polarization performance. The maximum level of VSWR is less than 1.04 for both orthogonal polarizations. Values of cross-polarization discrimination are higher than 32 dB in the operating Ka-band. Developed square waveguide polarizer with diagonally located irises can be applied in modern wideband satellite antennas.

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A W-Band Choke-Ring Encircled Focal Plane Array of Full-Metal Elements for Reflector Antennas With Over 50%-Efficiency High Crossover Beams

Chernikov,

Vilenskiy,

Agneessens

et al. 2024

Antennas Wirel. Propag. Lett.

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Design of A Ku-band Corrugated Horn With Good-Symmetrical Pattern

Cited by 6 publications

References 4 publications

Circular Waveguide Polarizer for Weather Radars and Satellite Information Systems

Circular Waveguide Polarizer for Weather Radars and Satellite Information Systems

Square Waveguide Polarizer with Diagonally Located Irises for Ka-Band Antenna Systems

A W-Band Choke-Ring Encircled Focal Plane Array of Full-Metal Elements for Reflector Antennas With Over 50%-Efficiency High Crossover Beams

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