Browsing Computational and Communication Science Engineering by Title
Now showing items 201-220 of 534
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Fuzzy Modeling for the Dynamics of Alcohol-Related Health Risks with Changing Behaviors via Cultural Beliefs
(Hindawi, 2020-07-13)In this paper, we propose and analyze a fuzzy model for the health risk challenges associated with alcoholism. The fuzziness gets into the system by assuming uncertainty condition in the measure of influence of the risky ... -
Fuzzy modelling on the depletion of forest biomass and forest-dependent wildlife population
(Elsevier, 2023-09)This paper presents a system of non-linear differential equations describing the depletion of forest biomass and forest-dependent wildlife population caused by human population and its associated activities. The model ... -
GA/MoM optimization of PIFA antennas with meandering slits
(IET Digital Library, 2007-11-16)The optimization of a mobile antenna by genetic algorithm (GA) can be done in many ways, e.g. by random removal of rectangles on the patch radiator, movement of shorting patches, etc. In this paper we will demonstrate the ... -
Gain improvement of the Yagi-Uda Antenna Using Genetic Algorithm for Application in DVB-T2 Television Signal Reception in Tanzania
(Journal of Interdisciplinary Sciences, 2017-11-02)A Yagi-Uda Antenna, commonly known simply as a Yagi antenna or Yagi, is a directional antenna system consisting of an array of dipole and additional closely coupled parasitic elements (usually a reflector and one or more ... -
Genetic Algorithm Optimization for Broadband Patch Antenna Design
(IEEE, 2007-10-15)A genetic algorithm (GA) optimization design of patch antenna has been performed using surface integral equation (SIE), method-of-moments (MoM) solution. The electromagnetic engine procedure is based on the Matlab code by ... -
Genetic algorithm optimization for multiband patch antenna design
(IEEE, 2008-08-01)A combined method of moment (MoM)/genetic algorithm (GA) numerical procedure for achieving mulitband-frequency characteristics in patch antenna design is demonstrated in this paper. Method of moment (MoM) solution used in ... -
A Grey Level Fitting Mechanism based on Gompertz Function for Two Phase Flow Imaging using Electrical Capacitance Tomography Measurement Systems
(International Journal of Computer Applications, 2014-09)Electrical Capacitance Tomography (ECT) is an image generating system based on soft field sensory system. The preferred Linear Back Projection (LPB) reconstruction algorithm for multi-phase measurement has blurring effect ... -
Gs-mac: A scalable and energy-efficient mac protocol for greenhouse monitoring and control using wireless sensor networks
(NM-AIST, 2023-08)In recent years, wireless sensor networks have been widely applied in agricultural greenhouses to monitor and control farming-related parameters. These networks are composed of multiple sensor nodes, usually deployed in ... -
Handover Management in Dense Networks with Coverage Prediction from Sparse Networks
(IEEE, 2019)Millimeter Wave (mm-Wave) provides high bandwidth and is expected to increase the capacity of the network thousand-fold in the future generations of mobile communications. However, since mm-Wave is sensitive to blockage ... -
Heat and mass transfer investigation of unsteady magnetohydro dynamic nanofluid flow in a porous pipe in the presence of chemical reactions
(Journal of Engineering and Technology Research, 2023-08-30)This article presents a numerical investigation of mass and heat transfer effects on an unsteady Magnetohydrodynamic (MHD) nanofluid flow in a permeable pipe. The influences of the chemical reaction and magnetic flux are ... -
Heuristic Evaluation and Usability Testing of G-MoMo Applications
(IADITI, 2022-07)Financial technology (FinTech) has swiftly revolutionized mobile money as one of the ways of accessing financial services in developing countries. Numerous mobile money applications were developed to access mobile ... -
Highly sensitive biosensor based on a microstructured photonic crystal fibre for alcohol sensing
(Elseiver, 2023-04-15)A microstructure alcohol biosensor has been proposed to operate in the wavelength range of 0.8 to 2.0 μm for the sensing of propanol, butanol, and pentanol, unveiling impressive results of relative sensitivity and ... -
Human-Wildlife Conflict Early Warning System Using the Internet of Things and Short Message Service
(Engineering, Technology and Applied Science Research, 2022-04)Human-wildlife conflict (HWC) is an important challenge to communities living in areas bordering wildlife game parks and reserves. It is more evident in the United Republic of Tanzania, whose economy depends on wildlife ... -
Hybrid diffusion-steered model for suppressing multiplicative noise in ultrasonograms
(An International Journal (SIPIJ), 2017-08)Ultrasonograms refer to images generated through ultrasonography, a technique that applies ultrasound pulses to delineate internal structures of the body. Despite being useful in medicine, ultrasonograms usually suffer ... -
Hydrological modeling of artificial recharge of groundwater for sustainable water supply in Dodoma city
(NM-AIST, 2021-07)The growing human population in Dodoma City has resulted in high demand for water use, which has led to the overexploitation of groundwater in Makutupora aquifer. Therefore, this study was carried out to model artificial ... -
An ICT Based Solution for Pesticides Authenticity Verification: A Case of Tanzania
(Modestum, 2018-11-10)Pesticides authenticity is important for human health and environmental protection also economic progress of users, dealers and the government benefits through levies. In order to ensure that authentic pesticides are sold ... -
Identification of multiple unknown point sources occurring in the 2D transport equation: application to groundwater pollution source identification
(Journal of Mathematical and Computational Science, 2020-02-29)Water loss in the water distribution systems (WDS) is a challenge to many water authorities in the world but the problem is crucial in the less developed countries. The effect of water losses in the WDS includes the ... -
Identification of the Time-Dependent Point Source in a System of two Coupled Two Dimension Diffusion-Advection-Reaction Equations: Application to Groundwater Pollution Source Identification
(Global Journal of Pure and Applied Mathematics, 2020)This paper addresses the inverse source problem in a system of two-dimension advection-dispersion reaction equation with an emphasis on groundwater pollution source identification. We develop an inverse source problem ... -
Image - based poultry disease detection using deep convolutional neural network
(NM-AIST, 2021-07)The poultry sector in the country is highly affected by diseases including Coccidiosis, Salmonella and Newcastle that have a significant impact on production. Lack of reliable information and proper methods of farming ... -
Implementation of a goal programming model for solid waste management: a case study of Dar es Salaam – Tanzania
(EDP Sciences, 2017)Abstract – In this research article, the multi-objective optimization model for solid waste management problem is solved by the goal programming method. The model has three objectives: total cost minimization, minimization ...