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Now showing items 21-30 of 167
Photovoltaic performance of P3HT: SWCNT: PCBM based bulk heterojunction solar cell
(BRAC University, 2015-12-19)
Organic photovoltaic cells are believed to be the ideal alternative to silicon based solar cell devices due to its low cost, ease of fabrication and high mechanical flexibility. However, despite possessing such astounding ...
The effects of electric field on microorganisms in semi-liquid and liquid edible food substances
(BRAC University, 2015-08)
Pulsed electric field (PEF) is a new, emerging and a non thermal method of processing of food preservation technique, which uses pulsating electric field for the inactivation of microorganisms. The process causes a minimal ...
Survey on the clustering schemes of mobile ad-hoc Wireless Sensor Network (WSN)
(BRAC University, 2012-09-04)
This report aims to do a complete study on the different clustering algorithms of an ad-hoc
wireless sensor network and compare them. In this paper we have understood, what are the
basics of the 802.11 protocol, what is ...
AC sine wave generation by using SPWM inverter
(BRAC University, 2012-04-11)
This paper contains the analysis of basic inverter topologies. pulse width modulation inverter has been briefly explained by giving operational methods and simulated circuits. Different methods of inverter have also being ...
Intelligent classroom management system
(BRAC University, 2013-12)
Modern day class rooms are equipped with electronic devices that have supporting software to improve and facilitate teaching methods. However, it is often seen that significant class time is wasted on taking attendance, ...
Microcontroller based multilevel sun tracking solar PV system
(BRAC University, 2012-09)
Electricity generation has now become a mammoth task for a country like Bangladesh while development is directly proportional to energy production. It is also posing a great threat to our climate. Moreover, country like ...
Implementation of unnamed ground vehicle
(BRAC University, 2010-04)
Unmanned ground vehicles (UGV) are robotic platforms that are used as an extension of human capability. This type of robot is generally capable of operating outdoors and over a wide variety of terrain, functioning in place ...
Simulation based electrostatic study of different multigate quantumwell field effect transistors by changing the gate oxide thickness and metal work function
(BRAC University, 2016)
This paper analyses the C-V characteristics by altering the gate oxide thickness and metal workfunction used in the gate of non-planer, multi-gate InGaAs channel Quantum Well Field-Effect Transistor (QWFET). In this paper, ...
Wimax security analysis
(Department of Electrical and Electronic Engineering, 2011-04-28)
Worldwide Interoperability for Microwave Access (WiMAX) is a wireless metropolitan area network (WMAN) communications technology using the IEEE 802.16 standard. The original purpose of IEEE 802.16 technologies was to provide ...
Optimisation of photonic crystal weveguide based optical filter
(BRAC University, 2013-04)
Photonic integrated circuits (PIC) based on Photonic Crystals are becoming increasingly favoured in emerging signal processing and optical communication technologies. Photonic crystals (PhCs) are periodic dielectric ...