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Content available Assessment of iPerf as a Tool for LAN Throughput Prediction
Zieliński Bartłomiej
International Journal of Electronics and Telecommunications
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2023
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Vol. 69, No. 3
523--528
EN
This article discusses whether iPerf can be used as an effective tool for wired and wireless LAN throughput estimation. The potential advantages of using iPerf in comparison to FTP are discussed. Finally, the article presents the throughput measurement results obtained with FTP, iPerf2 and iPerf3 in a simple experimental network.
2
Content available A Comparison of Proximity Sensors for a Bicycle-to-Car Distance Rangefinder
Zieliński Bartłomiej
International Journal of Electronics and Telecommunications
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2021
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Vol. 67, No. 2
277--282
EN
In the article, three types of proximity sensors that might be used in bicycle rangefinder to measure the distance between the bicycle and an overtaking car are compared. The influence of various factors on the accuracy of the distance measurements obtained using ultrasonic, infrared and laser sensors is tested, among others, light conditions, car surface type and colour, rain, pollination and vibrations.
3
Content available The impact of parameter modifications in the Diesel engine power system on the emissions of harmful compounds
Merkisz Jerzy, Bajerlein Maciej, Zieliński Bartłomiej
Combustion Engines
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2020
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R. 59, nr 1
36--40
EN
The article presents the results of emission tests and vehicle operation indicators fueled with diesel oil. The tests were carried out for a passenger vehicle equipped with a diesel engine meeting Euro 3 emissions standard, moving in urban traffic. The measurements were carried out using modern PEMS (Portable Emission Measurement System) enabling the emission of gaseous components from exhaust systems of the tested object. On the basis of the conducted tests, the load characteristics were determined using the torque values obtained along with the engine speeds. The measurement route included two cycles: urban driving and fast acceleration. The aim of the study was to assess the impact of modifications to the control maps on CO, CO2, PM and NOx exhaust gas emissions under real operating conditions.
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