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A Passive Temperature-Sensing Antenna based on a Bimetal Strip Coil

ABSTRACT

A passive temperature-sensing antenna is presented in this paper, which consists of a meandering dipole, a bimetal strip and a back cavity. The meandering dipole is divided into two parts: the lower feeding part and the upper radiating part, which maintain Continue reading

Embedded Wearable Integrating Real-Time Processing of Electromyography Signals

ABSTRACT

We realized a non-invasive wearable device able to record muscle activity using patch electrodes positioned on the skin over the muscle. It is an integrated system-on-board developed for the detection of several physical and physiologic human parameters Continue reading

Tuning the Complexity of Photovoltaic Array Models to Meet Real-time Constraints of Embedded Energy Emulators

ABSTRACT

Reproducibility of experimental conditions is a fundamental requirement for designing energy efficient, self-sustainable wireless sensor networks (WSNs). At the same time, it represents a significant challenge because of the variability and the unpredictability Continue reading

A Wideband Circularly Polarized Antenna with a Multiple-Circular-Sector Dielectric Resonator

ABSTRACT

This paper presents the design of a wideband circularly polarized antenna using a multiple-circular-sector dielectric resonator (DR). The DR is composed of twelve circular-sector DRs with identical central angles of 30 but with different radii. A genetic Continue reading

An Accurate Direction Finding Scheme Using Virtual Antenna Array via Smartphones

ABSTRACT

With the development of localization technologies, researchers solve the indoor localization problems using diverse methods and equipment. Most localization techniques require either specialized devices or fingerprints, which are inconvenient for Continue reading

Design and Analysis of a Silicon-based Pattern Reconfigurable Antenna Employing an Active Element Pattern Method

ABSTRACT

In this paper, a silicon-based radio frequency micro-electromechanical systems (RF MEMS) pattern reconfigurable antenna for a Ka-band application was designed, analyzed, fabricated, and measured. The proposed antenna can steer the beam among Continue reading

Active Noise Cancellation

ABSTRACT

In this project, I tried to build a noise-cancellation system using DSK. Two microphones and one speaker were used in the system: the first microphone is to sample unexpected noises from the outside and the second microphone is to collect all the sounds, Continue reading

Detection of Breathing and Infant Sleep Apnea

ABSTRACT

Sleep apnea is a condition where people pause while breathing in their sleep; this can be of great concern for infants and premature babies. Current monitoring systems either require physical attachment to a user or may be unreliable. This project is Continue reading

Lip Detection and Adaptive Tracking

ABSTRACT

Performance of automatic speech recognition (ASR) systems utilizing only acoustic information degrades significantly in noisy environments such as a car cabins. Incorporating audio and visual information together can improve performance Continue reading

Ultra-Short Baseline Acoustic Positioning System

ABSTRACT

This paper explains the design, implementation, and testing of an ultra short baseline (USBL) acoustic positioning system for the Amador Valley High School (AVHS) Robotics Clubs Barracuda Mark-X AUV. The system will be used to locate an Continue reading

IR-Depth Face Detection and Lip Localization Using Kinect V2

ABSTRACT

Face recognition and lip localization are two main building blocks in the development of audio visual automatic speech recognition systems (AV-ASR). In many earlier works, face recognition and lip localization were conducted in uniform lighting conditions with Continue reading