The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Long Short Term Memory (LSTM) has been a very successful augmented recurrent neural network model employed to learn sequential information with long term dependencies where LSTM can store and compute information for a long period of time. In this study, a biologically inspired variation has been incorporated in LSTM by introducing additive cell state into the functionally computational system. The...
To allow high data rates in multimedia services along with immunity against multipath fading and inter-symbol interference, single carrier frequency division multiple access (SCFDMA) on the basis of discrete cosine transform (DCT) has been introduced and become the most salient process for the uplink system. But high peak-to-average power ratio (PAPR) is a major drawback of this system which cut down...
A single phase new type AC-DC converter based on SEPIC topology has been proposed in this paper which has power factor correction and input current shaping facilities. The proposed rectifier is input switched and utilizes a bidirectional switch at the input. The rectifier gives buck-boost voltage gain without polarity reversal. The design has been made separately to operate the rectifier as a buck...
This paper exhibits a numerical analysis of ultra thin film Cu(In, Ga)Se2 (CIGS) solar cell which has been performed by using SCAPS-1D simulator. In this paper, the performances of CIGS solar cell is observed by varying absorber layer, buffer layer and window layer thickness. Also the effect of temperature has been carried out. The aim of this work is optimization of CIGS solar cell thickness as well...
A flexible implantable PIFA (Planar Inverted F Antenna) antenna for biomedical applications is proposed in this study. The main notability of this design refers to its subtle dimension, flexibility and subordinate thickness that makes it perfectly suitable for implementing inside human or animal tissues. The antenna is aimed to operate in the Industrial, Scientific and Medical (ISM) band (2.4–2.4835...
Energy consumption is promptly increasing in most developing countries since they foster their economic growth. Modern technological electrical devices in day to day activities require high consumption of energy. People's requirement for higher living standard and rapid population growth are among the determinants in the growth of energy consumption. For optimal use of facility systems and power sources...
Due to ever growing population, the electricity demand is continuously increasing in Dhaka city. Electricity demand is influenced by a number of factors such as number of customers, customer behavior, working hours, weather, weekday-weekend, holidays etc. In order to reduce future energy consumption by city-dwellers, understanding the patterns of present electricity consumption is necessary. By taking...
A hexagonal photonic crystal fiber with central elliptical air hole is proposed to simultaneously obtain flattened dispersion and high birefringence by using finite element method. Simulation results demonstrate that by properly tuning the dimension of the elliptical air hole, it is possible to achieve very high negative and flattened dispersion characteristics over a wide range of wavelengths. The...
To accomplish a task automatically without any human intervention, a robot's first step is to collect necessary information from the surroundings as input. Depending on the application, in some cases a robot may need to perform throwing action automatically. For an accurate throw, an unerring destination detection should be executed. In this paper, a method for determining the throwing destination...
Though license plate detection and recognition system has a lot of applications but a very little work has been done on Bangla license plate recognition. Variations among the license plate patterns and complex background of Bangladeshi license plates make it more difficult to use the existing algorithms. Because of this, we propose a solution for Bangla license plate detection and recognition. Firstly,...
The absorber layer of CZTS solar cell is a compound semiconductor which has favourable optical and electrical properties. Researchers are highly interest to investigate the CZTS solar cells for its earth abundant, non-toxic and low cost feature. Consequently, the absorber layer of CIGS is replaced to CZTS absorber layer. In this research work, the potentiality of Molybdenum Sulphide (MoS2) as buffer...
In this paper, two methods of gesture recognition are discussed and a comparison between these methods is carried out. These are light dependent and ultrasonic method of gesture recognition. The light dependent method was developed in an early study, where a control panel detected some predefined gesture commands and a robotic arm was controlled with those commands. In this new study the same gesture...
The dependency of blood perfusion on caffeine doses and the effects on different rhythmic activities were investigated by spectral components of skin blood perfusion signal. The skin blood perfusion on human forearm middle finger tip was recorded by laser Doppler flowmetry technique at both before and immediately after the consumption of caffeine dose. Different caffeine doses contained different...
Different technologies have been emerged to address the issues of power consumption in digital communication. In CMOS technology, dynamic power accounts for 70%–90% of the total power dissipation and it largely depends on the representation of data and increases linearly with the switching activities (transition from logic level High to Low and vice versa). An efficient representation of data can...
In this work, strained large area graphene is used in the channel of Graphene-FET (G-FET) to realize the G-FET in logic application. The strain dependent quantum confinement effect in terms of quantum capacitance is investigated and a drain current model is proposed under tight binding approximation. The influence of strain on the performance of G-FET as a function of gate voltage, channel length...
Solar or photovoltaic (PV) system is an alternative clean energy resource that has received much attention in the research and industries. Solar charge controller (CC) is the heart of a solar system. Three common types of charge controller are ON/Off, pulse width modulation (PWM) and maximum power point tracking (MPPT). MPPT is getting very much popularity nowadays for its high capability of power...
The social and economic development of a country is greatly influenced by providing effective health care services. In recent years, mobile health applications (mHealth apps) becoming an increasingly important means for delivering health services in developing countries like Bangladesh. This paper provides an overview of current status of mHealth apps development in Bangladesh. All mHealth apps developed...
Region of Non-Interest (RONI) based digital watermarking has attracted much attention recently for medical image (MI) applications. The legal and ethical concern of medical professionals grow with watermark embedding as it erratically modifies the MIs. To minimize this concern, RONI segmentation is an essential process of MI watermarking that confines the embedding region. However, finding a suitable...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.