Recently, the use of Television White Spaces (TVWS) for broadband communication has raised interest world over. TVWS refers to regions of radio spectrum in the Ultra High Frequency(UHF)bandthatarenotusedallthetimeinaspecificgeographicallocation.TVWS spectrum brings with advantageous propagation...
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72. Redesigning the Dong Fang Hong locomotive speedometer system to suit diesel electric locomotives
Thirty four out of forty (85%) TAZARA Diesel Electric (DE) locomotives were operating with either defective or no speedometer system at all. This compromised the safety of locomotives and peoples’ lives. As a result of financial challenges, TAZARA was unable buy new DE speedometer system costing...
Download PDF ↓Design and construction practices in Zambia have tended to neglect the risk posed by seismicity on structures, and no earthquake design and construction guides exist. The recent earthquake occurrences suggest that earthquake incidences can no longer be ignored. The research studied the occurrence...
The aim of this research is to examine the wind-hydro energy mix by analyzing the characteristics of wind energy variation in a year and that of hydro. The research uses the calculated values of wind power from the wind speeds recorded at 80m above the ground and the values of the actual...
Download PDF ↓This study investigates and analyses the security situation related to the deployment of wireless local area networks (WLANs), configured in infrastructure mode, for three selected business centre in Lusaka central district, using a software analyzer tool called wireless Mon. Wireless local area...
Download PDF ↓The way data is collected and stored has evolved over time due to various developments which have led to advancements in database technologies. Few decades ago, only structured data were stored, however, with the increase in the business demand for data in this competitive global market,...
Download PDF ↓The health sector has seen tremendous increase in the construction and expansion of physical infrastructure. Much of this infrastructure development has been spearheaded by donors who have facilitated the funding and construction of these structures. Presently, most funders are moving away from...
Download PDF ↓Fumigation involves the use of a highly toxic pesticide which leaves behind residues that are classified as hazardous wastes. Such wastes enter our environment owing to improper disposal that pose a huge threat to public health and the environment at large. This study explored the disposal of...
Download PDF ↓Automated Teller Machines (ATM) have revolutionized banking in Zambia, as customers are able to conduct several banking activities without physical Interaction with bank staff. They have however brought with them challenges of cyber-crime. Banks in Zambia have suffered financial losses through...
Download PDF ↓Active analogue self-interference cancellation (AASIC) techniques are used to prevent the saturation of the receiver chain in full-duplex (FD) radios. This is done by cancelling the self-interference (SI) signal before it enters the receiver chain. AASIC techniques are usually implemented...
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