Original Article Telecommunication
Approaches to overcome challenges and technology bottlenecks of geostationary orbit high throughput satellite payload antenna

elham sharifi; Arash Ahmadi; Mohammad Fazaelifar

Articles in Press, Accepted Manuscript, Available Online from 10 October 2022


  The antenna of a high throughput satellite payload should generate multiple spot beams simultaneously to provide frequency reuse by creating cellular coverage for the satellite. The phased array antenna is a proper option for this application. In geostationary orbit, the satellite field of view is limited, ...  Read More

reviewed article
Statistical Study of Satellite Constellations and the Cubesat Role

Ehsan Mousivand; Sajjad Ghazanfarinia; Yaser Saffar; Masoud Khoshsima

Articles in Press, Accepted Manuscript, Available Online from 30 November 2022


  Satellite Constellations are the new approach to achieve the applications that were presumably expected from large and complex satellites. This paper reviews activities and related satellite constellation of about 130 companies and research institutes, showing that Communication Missions (Internet of ...  Read More

Original Article
Pulse-mode Performance Evaluation of a Monopropellant Hydrazine Thruster

mohamad ali amirifar; alireza rajabi; nooredin ghadiri masoom; Zahra Amirsardari

Articles in Press, Accepted Manuscript, Available Online from 13 December 2022


  In this study, the pulse mode performance of a monopropellant hydrazine thruster has been studied. For this purpose, a laboratory sample of a monopropellant hydrazine thruster under atmospheric pressure was fabricated and tested. The thruster catalyst is natively synthesized. The pulse mode performance ...  Read More

Original Article
Reliability Assessment of Power Electronic Converters Using Replicator Neural Networks

Farhad Bagheroskouei

Articles in Press, Accepted Manuscript, Available Online from 20 February 2023


  Reliability assessment of power converters is extremely important due to the degradation of the converter performance under the thermal and electrical stresses. The space environment is one of the stressful environments for electronic components and equipment due to the range and high speed of temperature ...  Read More