With the rapid development of the power industry, carbon emissions from the power grid have become a hot issue of global concern. This paper is based on the voltage grading algorithm and aims to study and design an op...
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Digital Circuits Fundamentals is a junior course offered for mechatronics engineering students at Middle Tennessee State University. Traditionally, this course covered number systems, switches, combinational and seque...
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This paper is aimed to the analysis of the concept of self-improvable computer systemsdesign through the use of reconfigurable hardware, specialized processors high-level automatic design and synthesis tools, and Art...
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Wearable systems, such as watch/wristband systems must deal with power consumption and power line interference problems without compromising the form factor of the device and the signal-to-noise ratio (SNR). In this s...
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ISBN:
(纸本)9783031469329;9783031469336
Wearable systems, such as watch/wristband systems must deal with power consumption and power line interference problems without compromising the form factor of the device and the signal-to-noise ratio (SNR). In this study, we present a preliminary design of a wrist-worn device that simultaneously detects ECG and cardiac pulse. Unlike the systems currently available in the market, the cardiac pulse is measured by detecting the magnetic disturbance caused by the blood flow in a localized magnetic field, eliminating the need to use optical sensors, which demand higher currents. The device's circuitry was implemented using surface mount technology (SMT) on a 43.5 x 32.5 mm 4-layer PCB. With these dimensions, the contribution of electromagnetic interferences was lower than 42.5 mu V when the device was used in an office setting. The main current consumption was lower than 500 mu A, and the SNR was higher than 68 dB for the ECG and higher than 55 dB for the pulse signal, enabling a clear identification of the different waves of the detected signals. The aim is to simplify the signal processing algorithms in such a way that several features of the detected signals can be easily identified using fewer hardware resources.
Structural Health Monitoring (SHM) is essential for maintaining the safety and integrity of many large-scale buildings and infrastructure. In the scope of the Internet of Things (IoT), Radio Frequency Identification (...
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Wireless communication systems that use intelligent reflecting surfaces (IRS) have recently gained significant attention due to their potential to improve the signal-to-noise ratio (SNR) and increase the coverage area...
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This work reports a novel single tail dynamic latch comparator circuit for reducing static power dissipation without compromising the speed of latch regeneration. Two pMOS control switches are stacked in between the p...
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The Internet of Things (IoT) has changed how we interact with everyday objects by connecting them to the internet, making them smarter and more efficient. This paper focuses on how advanced hardware and software platf...
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We present a plenoptic time-of-flight pixel design using grating arrays with inverse-designed passive photonic power combining to achieve scalable signal-to-noise ratio. Experimental results are presented as a proof-o...
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In this study, we derive a grating equation for the two-cascaded virtually imaged phased array (VIPA), which provides valuable insights for the design and construction of spectrometers and other devices utilizing the ...
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