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Emerging Applications and Challenges of Multi-Rotor Systems: A Comprehensive Review

Saman Yazdannik; Morteza Tayefi

Volume 8, Issue 2 , June 2024, , Pages 67-82


  : In the contemporary landscape, the utilization of multi-rotor drone technology has witnessed a notable upsurge across diverse academic, industrial, and commercial domains. These multifaceted systems have assumed pivotal roles encompassing surveillance, wireless network coverage, remote sensing, search ...  Read More

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Unmanned Aerial Vehicles Without Combustion Engine Technical Parameters and Challenges

Jalal Kafashan; Nikrooz Bagheri

Volume 6, Issue 3 , October 2022, , Pages 57-69


  The recent development of UAVs is due to progress in electronics, control, and computer science combined with mechanics and flight science. What is evident in society is more mention of the advantages and capabilities of this technology, and less attention is paid to the technical parameters and basic ...  Read More

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Design of Compact Filters with Asymmetrical Response Based on Dual-mode Resonators for Satellite Communications

Zahra Shaterian; Ali Karami Horestani

Volume 6, Issue 2 , September 2022, , Pages 11-21


  This research is focused on the design of microwave filters with asymmetric frequency response with a single transmission zero below or above the passband. The procedure to design such filters in dual-mode cylindrical cavities is presented. It is shown that while realizing filters, especially with a ...  Read More

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Space Adhesives: Fundamentals, Preparation, and Impact of Space Environment

Hajar ESHAGHI; Majid Haghgoo; hamed salehi

Volume 5, Issue 4 , February 2022, , Pages 73-88


  Adhesives and adhesive joints have replaced conventional methods such as riveting, welding, and mechanical joints as a valuable way for assembling space structures, due to their significant reduction in spacecraft mass and also having optimum properties (high mechanical, electrical, and thermal properties, ...  Read More

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Investigation of Ground Effect on the Beamforming of the Glide Path Altitude Adjustment Navigation System

Zahra Davoodabadi farahani; Moein Ahmadi; Hamed Khoshniyat

Volume 5, Issue 3 , November 2021, , Pages 57-65


  The Glide Path altitude adjustment system is one of the tools of the landing navigation system (ILS) that helps the airplane to find its angle related to the runway by sending radio signals. It is done by sending two signals with a predetermined radiation pattern. The ratio of these two signals is used ...  Read More