The problem of detecting not occupied areas of the road is useful in many ADAS functions that include Lane Departure Warning (LDW), Lateral Control (LC), Adaptive Cruise Control (ACC). The problem may be in general de...
The problem of detecting not occupied areas of the road is useful in many ADAS functions that include Lane Departure Warning (LDW), Lateral Control (LC), Adaptive Cruise Control (ACC). The problem may be in general defined as the ability to distinguish such areas from those that are occupied by other traffic members. The objective here is to provide data useful, for example, in planning vehicle's maneuvers. In this work, we propose a solution that supports the recognition of such areas. The proposed method is based on a procedure similar to the one used in Discrete Wavelet Transform (DWT) used in image decomposition. One of the introduced modifications relies on using simpler filters, whose structure facilitates their hardware implementation.
In this work, we propose a solution in which vehicle-to-infrastructure (V2I) technology could be used to provide virtual regular tracks, which would allow the vehicle to be kept on a specific lane with a specific accu...
In this work, we propose a solution in which vehicle-to-infrastructure (V2I) technology could be used to provide virtual regular tracks, which would allow the vehicle to be kept on a specific lane with a specific accuracy for a longer stretch of road or in specific points/areas, e.g. in cities, at intersections or roundabouts. The proposed methods may in the future support selected functions belonging to advanced driver assistance system (ADAS), the operation of which requires precise determination of the position of the vehicle on the road. In this work, we focus on solutions that can be cheap to produce, assemble the elements of the system, and then maintain it in operation. One of the key aspects is to achieve small sizes and low energy consumption of the wireless sensors which will form the basis of its operation. The solutions proposed in this work can be treated as theoretical considerations, as so far there is no global V2I system in which they could be fully verified.
Epilepsy is a medical problem that tackles lots of patients. It limits the life activity of such patients due to the seizures that occur anytime and anywhere. Thus, creating a monitoring system that could make their l...
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Pakistan faces severe air pollution and high dependency on imported fossil fuels for transportation, urgently needing solutions. Electrification of transportation could address these issues, but Pakistan lacks a clear...
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This paper presents the design of a miniaturized metamaterial reflector composing of an open-loop transmission line unit cell structure. The transmission line ends are connected by using a double interdigital techniqu...
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This paper presents the design of a miniaturized metamaterial reflector composing of an open-loop transmission line unit cell structure. The transmission line ends are connected by using a double interdigital techniqu...
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ISBN:
(数字)9798331543952
ISBN:
(纸本)9798331543969
This paper presents the design of a miniaturized metamaterial reflector composing of an open-loop transmission line unit cell structure. The transmission line ends are connected by using a double interdigital technique, resulting in a large capacitive value compared to the conventional methods. When combined with the open-loop line employing the trisection step-impedance structure with adjusting of the capacitive value, its second and third resonant frequencies will be controllable. As a result, this approach can reduce the unit cell size from a typical value of λ/2 to an approximate value of λ/16, therefore overall size of the reflector is significantly decreased. The designed unit cell is measured to be 1.05 cm × 1.0 cm. We implemented the proposed reflector on an FR-4 PCB with a relative permittivity of about 4.4, a substrate height (h) of 1.6 mm, and a loss tangent of about 0.02. The operating frequency range targets of 5G use cases were set to be at 1.8 GHz, 2.6 GHz and 3.5 GHz, respectively. When used with a dipole antenna, the bandwidths of 390 MHz, 604 MHz, and 1.1 GHz and the antenna gains of about 8.23 dB, 8.14 dB, and 8.19 dB were obtained at the operating frequencies, respectively.
We propose an all-optical data-driven technique for space division multiplexing in few-mode fibers. A digital twin was realized by multiplane light conversion and neural networks. It is promising for a digitally progr...
We propose an all-optical data-driven technique for space division multiplexing in few-mode fibers. A digital twin was realized by multiplane light conversion and neural networks. It is promising for a digitally programmable multiplexer in fiber communication.
Spike detection plays a central role in neural data processing and brain-machine interfaces (BMIs). A challenge for future-generation implantable BMIs is to build a spike detector that features both low hardware cost ...
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The current system of scholarly publishing is often criticized for being slow, expensive, and not transparent. The rise of open access publishing as part of open science tenets, promoting transparency and collaboratio...
In recent years, the field of medicine has been increasingly adopting artificial intelligence (AI) technologies to provide faster and more accurate disease detection, prediction, and assessment. In this study, we prop...
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