Browsing Research Articles [CoCSE] by Title
Now showing items 131-150 of 345
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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 ... -
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 ... -
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 ... -
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 ... -
The Implementation of an Enhanced EFD System with an Embedded Tax Evasion Detection Features: A Case of Tanzania
(Modestum, 2020-03-06)This paper aims at presenting the development of an enhanced Information and Communication Technology tax collection system that in some countries is referred to as Electronic Cash Register while in Tanzania is popularly ... -
The Importance of Educating Girls and Women in Sciences
(University of Technology of Sydney ePress, 2021-09-28)For the past decades, focus on attaining gender equality in science education has attracted a lot of attention. Governments and international community believe that girls’/women’s science education is a worthwhile ... -
Improved Resource Allocation Model for Reducing Interference Among Secondary Users in TV White Space for Broadband Services
(IEEE Access, 2022-11-11)In recent years, the Television White Space has attracted the interest of many researchers due to its propagation characteristics obtainable between 470MHz and 790MHz spectrum bands. However, aggre- gate interference ... -
Improving Wireless Physical Layer Security Using Constant Envelope Chirped OFDM
(Springer Nature Switzerland AG., 2017-08-12)The broadcasting nature of wireless communication creates challenges in attaining secure communication. Different approaches have been implemented to increase security in wireless communication with physical layer security ...