Zobrazeno 1 - 10
of 143
pro vyhledávání: '"Hamid Kazemi"'
Publikováno v:
International Journal of Industrial Electronics, Control and Optimization, Vol 7, Iss 1, Pp 29-39 (2024)
This article presents development and implementation of an integer N-type Phase Locked Loop (PLL) module with two output frequencies of 1 and 4 GHz, each having a phase noise better than -110dBC/Hz@10k. The structure has 0 and 10dBm power levels at 1
Externí odkaz:
https://doaj.org/article/ff4ee661b446461295cb3513c673b35f
Publikováno v:
مکانیک هوافضا, Vol 19, Iss 3, Pp 33-45 (2023)
Most of the researches on the effect of the step on the hydrodynamics of the stepped vessels have considered uniform step height across the width. This gap prompted the researchers to investigate the effect of the variable height of the step in the w
Externí odkaz:
https://doaj.org/article/fccf55c104424d6f88b6d60186dfadb3
Autor:
hamid kazemi
Publikováno v:
حقوق فناوریهای نوین, Vol 4, Iss 7, Pp 163-177 (2023)
With the tremendous developments in space technologies in recent years, artificial intelligence is used instead of humans in decision-making. Artificial intelligence (AI) by the ability to think logically, manage its actions and correct its decisions
Externí odkaz:
https://doaj.org/article/6f63aecddcf64f1cb5958a4d9e0a030f
Publikováno v:
Journal of Petroleum Science and Technology, Vol 12, Iss 4, Pp 42-52 (2022)
TiO2 photocatalyst was used to degrade Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD) from petrochemical wastewater. The photocatalytic performance of the TiO2 was studied with variations of treatment parameters such as temperature,
Externí odkaz:
https://doaj.org/article/913445f6ce8347bb9f8678e121c0e46c
Autor:
Omid Nouri Kadijani, Hamid Kazemi Moghadam, Seyed Soheil Mousavi Ajarostaghi, Asgar Asadi, Mohsen Saffari Pour
Publikováno v:
Energy Science & Engineering, Vol 10, Iss 7, Pp 2276-2289 (2022)
Abstract In this numerical work, heat transfer characteristics of humid air in a rectangular channel as solar air heater equipped with V‐shaped ribs has been investigated. The impacts of geometrical parameters of proposed ribs such as height, pitch
Externí odkaz:
https://doaj.org/article/e178921b604540b6a74612fd959d68b1
Autor:
Hamid Kazemi, Samaneh Elahian
Publikováno v:
فصلنامه علوم و فناوری فضایی, Vol 15, Iss 2, Pp 93-102 (2022)
In this article collision probability method is used to satellite collision risk analysis. Among different methods introduced for determining collision probability, Patera's (2005) and Chan methods are chosen to define Noor satellite collision to the
Externí odkaz:
https://doaj.org/article/6c654cef124f47178eb255ff58fada32
Publikováno v:
فصلنامه علوم و فناوری فضایی, Vol 15, Iss 1, Pp 107-119 (2022)
From the past, space activities which has been extremely important for governments as the main and traditional players in the space industry, are now attractive to non-governmental and private individuals, who are the new actors in the space industry
Externí odkaz:
https://doaj.org/article/eec92bd468e848609097485b3d3338ef
Publikováno v:
Case Studies in Construction Materials, Vol 17, Iss , Pp e01273- (2022)
Nowadays, fracture mechanics modeling for strengthening structural members is a challenging issue for structural engineers. The developed fracture mechanics modeling was applicable for identifying propagation of a crack in concrete structural members
Externí odkaz:
https://doaj.org/article/66dab86f5a8f484e8e73a31ce6f5a042
Autor:
Hamid Kazemi, Milad Sadeghi
Publikováno v:
Faṣlnāmah-i Pizhūhish-i Huqūq-i ̒Umūmī, Vol 23, Iss 71, Pp 221-249 (2021)
The Aviation Industry and its governing law are vulnerable to the outbreak and pandemic of contagious diseases. It is possible that the industry takes part in the spread of disease and endanger lives, while on the other hand, with the spread of conta
Externí odkaz:
https://doaj.org/article/fd8182c572194073a867ee2147245b8e
Publikováno v:
پژوهشهای کاربردی روانشناختی, Vol 12, Iss 2, Pp 83-100 (2021)
The aim of this study was to determine the effectiveness of Mindfulness-Based Cognitive Therapy on emotion regulation and stress tolerance among firefighters in Isfahan. The research was conducted as a quasi-experimental study with a control group an
Externí odkaz:
https://doaj.org/article/36d4c0ed7ae04881a9636de58d317302