Essays about: "Jean"

Showing result 16 - 20 of 181 essays containing the word Jean.

  1. 16. Current-Mode Class D Power Amplifier for 2.4GHz Wi-Fi

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Yann Jean Michael Pirot; [2023]
    Keywords : Power Amplifier; Wifi; Digital Power Amplfier; Class D; RFIC; Analogue; Effektförstärkare; Wifi; digital förstärkare; klass D; analog;

    Abstract : Modern wireless communication techniques employed in the Wi-Fi® protocol, such as orthogonal frequency-division multiplexing exhibit analogue signals with high peak-to-average power ratio. Therefore, power amplifiers for Wi-Fi suffer from low efficiency when operating in back-off mode, away from their maximum efficiency at peak power. READ MORE

  2. 17. Early Stage Design of a Prefilmer at Siemens Energy : Numerical and Experimental Methodology

    University essay from Linköpings universitet/Mekanisk värmeteori och strömningslära

    Author : Jean-Pierre Hamzo; [2023]
    Keywords : CFD; gas-turbine; computational fluid dynamics; atomizer; prefilmer; RANS; LES; multi-phase; experimental; numerical; atomization; spray characteristics; drop breakup; liquid fuels; liquid films;

    Abstract : Design of atomizers for gas-turbine purposes are an important ordeal. The per-formance of the atomizer directly impacts the efficiency of the gas-turbine, andconsequently, the energy extracted from the turbine. Furthermore, the design ofthe atomizer can have an impact on reducing toxic emissions. READ MORE

  3. 18. Enviromental education in Tanzanian secondary schools. An Exploratory Case Study from Teachers’ Perspectives

    University essay from Göteborgs universitet/Institutionen för pedagogik och specialpedagogik

    Author : Frank Christopher Mnyagani; [2022-11-25]
    Keywords : Environmental Education; Tanzanian Secondary Education; Exploratory Case Study; Teachers’ Perspectives;

    Abstract : Aim: The purpose of this qualitative study is to examine the concept of Environmental Education (EE) in Tanzanian secondary schools from the teachers' perspective. The results of this study will help schools evaluate and implement the goals of the EE curriculum and understand the challenges and opportunities for teachers and school administrators. READ MORE

  4. 19. Using Stack Overflow for Professional Learning and Practices at Work

    University essay from Göteborgs universitet/Institutionen för pedagogik, kommunikation och lärande

    Author : Maryam Omer; [2022-11-18]
    Keywords : Stack Overflow; professional learning; online communities; professional practices;

    Abstract : Purpose: The study aims to investigate how people discuss Stack Overflow in terms of professional learning and how they integrate Stack Overflow into their professional practices at work. Theory: The theories used in this study are Communities of Practice and Socially Situated Learning by Jean Lave and Etienne Wenger. READ MORE

  5. 20. “You can be whatever you want in this world, but not un-vaccinated.” – Understanding Covid-19 anti-vaccinators in Modern Democracy

    University essay from Göteborgs universitet/Institutionen för globala studier

    Author : Lovisa Seller; [2022-11-08]
    Keywords : Covid-19; Sweden; activism; freedom; representation; demonstration; control; togetherness; truth; vaccination.;

    Abstract : Sweden’s approach for covid-19 has been considered mild compared to other countries’, but despite the Public Health Authority’s, the government’s, and the politician’s relatively relaxed l approach towards the pandemic, there have been a lot of questions raised regarding the work and management of this crisis both from those that asked for a firmer handling and from those who criticised the regulations all together. There are citizens in Sweden who have had a growing resentment towards the vaccination and the vaccination card, which has come to result in people connecting and establishing movements against the covid-19 vaccination through protests and demonstrations. READ MORE