Recently, researchers working in the field of Artificial Intelligence have been keen on finding new algorithms that provide optimal results. One such reinforcement learning algorithm is the Augmented Random Search. Th...
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A locally corrected Nystrom method is presented that better models a mixed-order, divergence-conforming space on triangular cells. The theory is developed for a space that is complete to the same order for both the un...
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ISBN:
(数字)9781733509671
ISBN:
(纸本)9798350362978
A locally corrected Nystrom method is presented that better models a mixed-order, divergence-conforming space on triangular cells. The theory is developed for a space that is complete to the same order for both the unknown quantity and its divergence. The method is implemented for the electric field integral equation, and convergence results are presented for scattering from a perfectly conducting sphere.
Monitoring driver’s foot movements can be used to assess their preparedness to assume the vehicle’s control and to provide insights into their overall condition. While cameras and capacitive sensors have been employ...
Monitoring driver’s foot movements can be used to assess their preparedness to assume the vehicle’s control and to provide insights into their overall condition. While cameras and capacitive sensors have been employed to gather data on pedal-bound foot actions, the accuracy of readings provided by these systems can be compromised under constrained light conditions and fluctuations in temperature and humidity levels, respectively. Recently, radio-frequency waves were utilized to remotely recognize driver’s activities. However, most of the RF-based works focus on the identification of the driver’s intent by extracting information from the movements done by the driver’s upper body. In this paper, we present a feasibility study on the application of millimeter-wave frequency-modulated continuous-wave radar for tracking a driver’s foot. Movements such as pedal actuation and transitions between pedals are analyzed, and experimental results demonstrate the potential of integrating the proposed method into advanced assistance systems.
Heatwaves pose a significant challenge to reliable operations of electric power grids. Understanding the operational limits of the power system during stressful weather conditions can help system operators make strate...
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Cochlear Implant (CI) procedures involve performing an invasive mastoidectomy to insert an electrode array into the cochlea. In this paper, we introduce a novel pipeline that is capable of generating synthetic multi-v...
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On social media, words and phrases express people's opinions about companies, services, governments, and events. The objective of sentiment analysis in the discipline of natural language processing is to extract p...
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In dual-function radar-communication (DFRC) systems the probing signal contains information intended for the communication users, which makes that information vulnerable to eavesdropping by the targets. We propose a n...
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In this paper, a substrate integrated waveguide (SIW)-based H-plane horn antenna with enhanced gain made on a very thin substrate (0.009λ0) is proposed for X-band application. Improved impedance matching is obtained ...
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Transport Layer Security (TLS) is a cryptographic protocol that encrypts communication data, providing end-to-end communication encryption and authentication. Currently, TLS is widely adopted for securing communicatio...
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ISBN:
(数字)9798350363012
ISBN:
(纸本)9798350363029
Transport Layer Security (TLS) is a cryptographic protocol that encrypts communication data, providing end-to-end communication encryption and authentication. Currently, TLS is widely adopted for securing communication between servers and end devices, including solar inverter systems. Therefore, users/operators can securely access the solar inverters through a web user interface (WebUI) application programmable interface (API) on a PC or server over TLS-enabled Wi-Fi or Ethernet. However, the security of the TLS-based network becomes compromised if it is breached by a TLS proxy man-in-the-middle (MITM) exploit. This paper explores potential vulnerabilities in a commercial solar inverter system that leverages a TLS proxy MITM and discusses the impacts through assume-breached penetration testing. Furthermore, the paper explores recommended mitigation methods against the TLS proxy MITM exploit in solar inverters.
Time-resolved electromagnetic near-field scanning is vital for antenna measurement and addressing complex electromagnetic interference and compatibility issues. However, the swift acquisition of high-resolution spatio...
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ISBN:
(数字)9798350360394
ISBN:
(纸本)9798350360400
Time-resolved electromagnetic near-field scanning is vital for antenna measurement and addressing complex electromagnetic interference and compatibility issues. However, the swift acquisition of high-resolution spatiotemporal data remains challenging due to physical constraints, such as moving the probe position and allowing sufficient time for sampling. This paper introduces a novel hybrid approach that combines Kriging for sparse spatial measurement, compressed sensing (CS) for sparse temporal sampling, and dynamic mode decomposition (DMD) for a comprehensive analysis of dual-sparse sampling electromagnetic near-field data. CS optimizes sparse sampling in the time domain, capitalizing on the inherent sparsity within electromagnetic radiated signals, resulting in reliable representation of time-domain signals and reducing the required time samples. Latin hypercube sampling guides the probe position, facilitating sparse measurement in the space domain. DMD extracts meaningful insights from the resulting sparse spatiotemporal data, producing sparse dynamic modes and temporal evolution information. Subsequently, Kriging is employed to infer missing spatial measurements for each sparse dynamic mode. Finally, the entire spatiotemporal signals are reconstructed based on interpolated dynamic modes and temporal evolution information. Validation of the proposed method is demonstrated with an example using crossed dipole antennas as the device under test. The Kriging-CS-DMD framework effectively reconstructs electromagnetic fields with precision while concurrently reducing the measurement workload in both the time and space domains. This methodology holds promise for various applications, including space-time-modulated electronic devices.
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