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Advanced Search Results For "SATELLITE dish antennas"

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 "SATELLITE dish antennas"
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Asymmetric Iris Structures for Dual-Polarization Waveguide Slot Arrays for E-Band Wireless Backhaul Systems.

Publication Type: Academic Journal

Source(s): IEEE Transactions on Antennas & Propagation. Apr2022, Vol. 70 Issue 4, p2633-2644. 12p.

Abstract: This article proposes a design of waveguide slot arrays with asymmetric iris to achieve broadband properties with high polarization isolation for E-band wireless backhaul systems. The proposed subarray of $2\times2$ radiating slots is excited by two-la...

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Concentrating solar cookers in urban areas: Establishing usefulness through realistic intermediate temperature rating and grading.

Publication Type: Academic Journal

Source(s): Solar Energy. Jul2022, Vol. 241, p157-166. 10p.

Abstract: • Two existing concentrating solar cookers (CSCs) designs useful in urban areas selected and tested at intermediate temperature. • Essential insights into the better usage of existing designs of solar cookers provided. • Usefulness of thermal performan...

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轨道角动量天线波束控制技术的研究进展.

Publication Type: Academic Journal

Source(s): Telecommunication Engineering. 2/28/2022, Vol. 62 Issue 2, p266-274. 9p.

Abstract: 轨道角动量(Orbital Angular Momentum,OAM)因其模数的无限性与正交性在提升通信容量 方面有着巨大的潜力,对解决频谱资源不堪重负的现状有很强的现实意义,而OAM 波束自身的发散 角限制了其远距离通信的能力。OAM 波束控制技术作为OAM 波束固有的发散角问题的解决方案, 极具研究价值和发展前景。介绍了近年来OAM 波束控制技术的研究进展,包括抛物面天线法、透镜 天线法、谐振腔法、超表面法以及其他波束控制技术。OAM 波束控制技术尚不成熟,针对不同类型 以及不同应用领域还需进行...

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Novel directive antenna based on parabolic quasi Fabry–Pérot cavity.

Publication Type: Academic Journal

Source(s): International Journal of RF & Microwave Computer-Aided Engineering. Jun2022, Vol. 32 Issue 6, p1-10. 10p.

Abstract: Parabolic reflectors have very good directivity. However, when put behind a partially reflecting surface, they suffer from destructing in‐phase rays and they experience deteriorated characteristics. In this work we consider fixing this impediment and w...

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Development of the Romanian Radar Sensor for Space Surveillance and Tracking Activities †.

Publication Type: Academic Journal

Source(s): Sensors (14248220). May2022, Vol. 22 Issue 9, p3546-3546. 19p.

Abstract: The constant increase in the number of space objects and debris orbiting the Earth poses risks to satellites and other spacecraft, both in orbit and during the launching process. Therefore, the monitoring of space hazards to assess risk and prevent col...

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LNA Design and Implementation for Passive Millimeter Wave Imaging System in Ka Band.

Publication Type: Academic Journal

Source(s): Przeglad Elektrotechniczny; 2022, Vol. 98 Issue 10, p86-89, 4p

Abstract: Copyright of Przeglad Elektrotechniczny is the property of Przeglad Elektrotechniczny and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may p...

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Dual-polarization arrays of wide-band printed radiating patches for operation in X and Ku-bands.

Publication Type: Academic Journal

Source(s): Radioelektronika. Nanosistemy. Informatsionnye Tekhnologii. 2022, Vol. 14 Issue 1, p3-10. 8p.

Abstract: Based on the developed dual-polarization module in the form of a four-element array of printed patches, solutions for two antenna systems of X and Ku bands are implemented. The parabolic reflector antenna for Ku-band satellite communication systems wit...

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Theoretical and numerical studies on multi‐physical issues of space parabolic membrane antennas.

Publication Type: Academic Journal

Source(s): IET Microwaves, Antennas & Propagation (Wiley-Blackwell). Oct2021, Vol. 15 Issue 12, p1625-1635. 11p.

Abstract: Front‐fed parabolic reflectors are among the most commonly used antennas in the industry. While in spaceborne applications, membrane reflectors are very promising due to their lightweight and foldable features. However, considering the large size, smal...

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Understanding the Radiation Characteristics of Metal-Only, Low-Profile, Offset Stepped Parabolic Reflector Antennas: Simulation, Analysis, and Measurement.

Publication Type: Academic Journal

Source(s): IEEE Transactions on Antennas & Propagation. Aug2021, Vol. 69 Issue 8, p5078-5083. 6p.

Abstract: Antennas capable of providing high gains while occupying minimal volume can facilitate several technologies, such as 5G, CubeSats, and automotive radars. This work designs, analyzes, and measures a low-profile, metal-only offset stepped parabolic refle...

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Influences of the Reflector Subtended Angle on the Performance of Parabolic Antennas with Feed Displacement.

Publication Type: Academic Journal

Source(s): Electronics (2079-9292); Sep2022, Vol. 11 Issue 17, p2635, 10p

Abstract: Copyright of Electronics (2079-9292) is the property of MDPI and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email ...

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