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Design and Development of a Nearable Wireless System to Control Air Quality and Indoor Lighting Quality

ABSTRACT

The article describes the results of the project “open source Smart lamp” aimed at designing and developing a smart object able to manage and control the Indoor Environmental Quality (IEQ) of the built environment. A first version of this Continue reading

A Field Performance Evaluation Scheme for Microwave-Absorbing Material Coatings

ABSTRACT

Performance evaluation is an important aspect in the study of microwave-absorbing material coatings. The reflectivity of the incident wave is usually taken as the performance indicator. There have been various methods to directly or indirectly measure the Continue reading

Hyperbolic Positioning with Antenna Arrays and Multi-Channel Pseudolite for Indoor Localization

ABSTRACT

A hyperbolic positioning method with antenna arrays consisting of proximately-located antennas and a multi-channel pseudolite is proposed in order to overcome the problems of indoor positioning with conventional pseudolites (ground-based GPS transmitters). Continue reading

Dual-Antenna Terrestrial Laser Scanner Georeferencing Using Auxiliary Photogrammetric Observations

ABSTRACT

Terrestrial laser scanning typically requires the use of artificial targets for registration and georeferencing the data. This equipment can be burdensome to transport and setup, representing expense in both time and labor. Environmental factors such as terrain Continue reading

A Negative Index Metamaterial-Inspired UWB Antenna with an Integration of Complementary SRR and CLS Unit Cells for Microwave Imaging Sensor Applications

ABSTRACT

This paper presents a negative index metamaterial incorporated UWB antenna with an integration of complementary SRR (split-ring resonator) and CLS (capacitive loaded strip) unit cells for microwave imaging sensor applications. This metamaterial UWB Continue reading

A Miniaturized Antenna with Negative Index Metamaterial based on Modified SRR and CLS Unit Cell for UWB Microwave Imaging Applications

ABSTRACT

A miniaturized antenna employing a negative index metamaterial with modified split-ring resonator (SRR) and capacitance-loaded strip (CLS) unit cells is presented for Ultra wideband (UWB) microwave imaging applications. Four left-handed (LH) Continue reading

Electromagnetic Vortex-based Radar Imaging using a Single Receiving Antenna: Theory and Experimental Results

ABSTRACT

Radar imaging based on electromagnetic vortex can achieve azimuth resolution without relative motion. The present paper investigates this imaging technique with the use of a single receiving antenna through theoretical analysis and experimental results. Continue reading

On Connectivity of Wireless Sensor Networks with Directional Antennas

ABSTRACT

In this paper, we investigate the network connectivity of wireless sensor networks with directional antennas. In particular, we establish a general framework to analyze the network connectivity while considering various antenna models and the Continue reading

Music Synthesizer Senior Project: Individual Report

ABSTRACT

The Danalog is a 25 key portable digital music synthesizer that uses multiple synthesis methods and effects to generate sounds. Sound varieties included three synthesis methods including FM, subtractive, and sample-based, with up to eight Continue reading

Designing a Visual Front End in Audio-visual Automatic Speech Recognition System

ABSTRACT

Audio-visual automatic speech recognition (AVASR) is a speech recognition technique integrating audio and video signals as input. Traditional audio-only speech recognition system only uses acoustic information from an audio source. However the Continue reading