Search Results - "HO, K. C"
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Source Localization Using TDOA and FDOA Measurements in the Presence of Receiver Location Errors: Analysis and Solution
Published in IEEE transactions on signal processing (01-02-2007)“…The accuracy of a source location estimate is very sensitive to the accurate knowledge of receiver locations. This paper performs analysis and develops a…”
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An Asymptotically Efficient Estimator in Closed-Form for 3-D AOA Localization Using a Sensor Network
Published in IEEE transactions on wireless communications (01-12-2015)“…Locating a signal source using angles of arrival (AOAs) in a wireless sensor network is attractive because it does not require synchronization of the…”
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3
Bias Reduction for an Explicit Solution of Source Localization Using TDOA
Published in IEEE transactions on signal processing (01-05-2012)“…This paper proposes two methods to reduce the bias of the well-known algebraic explicit solution (Chan and Ho, "A simple and efficient estimator for hyperbolic…”
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4
Elliptic Localization: Performance Study and Optimum Receiver Placement
Published in IEEE transactions on signal processing (15-09-2014)“…Range based localization often relies on TOA that creates a circular contour or TDOA that yields hyperbolic surface to determine the position of an emitting…”
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5
Doppler Radar Fall Activity Detection Using the Wavelet Transform
Published in IEEE transactions on biomedical engineering (01-03-2015)“…We propose in this paper the use of Wavelet transform (WT) to detect human falls using a ceiling mounted Doppler range control radar. The radar senses any…”
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6
A Microphone Array System for Automatic Fall Detection
Published in IEEE transactions on biomedical engineering (01-05-2012)“…More than a third of elderly fall each year in the United States. It has been shown that the longer the lie on the floor, the poorer is the outcome of the…”
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7
Efficient Source Separation Algorithms for Acoustic Fall Detection Using a Microsoft Kinect
Published in IEEE transactions on biomedical engineering (01-03-2014)“…Falls have become a common health problem among older adults. In previous study, we proposed an acoustic fall detection system (acoustic FADE) that employed a…”
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8
Emerging education hubs: The case of Singapore
Published in Higher education (01-01-2011)“…In anticipation of a globalising post-Fordist political economy, countries and universities are increasingly pursuing strategic transnational education and…”
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A Study on the Effects of Sensor Position Error and the Placement of Calibration Emitter for Source Localization
Published in IEEE transactions on wireless communications (01-10-2014)“…Modern applications use mobile or randomly deployed sensors whose positions are not precise when locating a signal source. An estimator would require…”
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Integrating AOA With TDOA for Joint Source and Sensor Localization
Published in IEEE transactions on signal processing (01-01-2023)“…This paper investigates the use of angles of arrival (AOAs) in addition to time differences of arrival (TDOAs) for the simultaneous localization of sources and…”
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11
Localization of a Moving Source by Frequency Measurements
Published in IEEE transactions on signal processing (01-01-2020)“…This paper investigates the localization of a moving source in position and velocity, by observing the emitted frequency from the source that is subject to the…”
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12
Algebraic Complete Solution for Joint Source and Sensor Localization Using Time of Flight Measurements
Published in IEEE transactions on signal processing (01-01-2020)“…Joint source and sensor localization is a challenging problem, nevertheless it has numerous potential applications. This paper takes time of flight…”
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13
An accurate algebraic solution for moving source location using TDOA and FDOA measurements
Published in IEEE transactions on signal processing (01-09-2004)“…This paper proposes an algebraic solution for the position and velocity of a moving source using the time differences of arrival (TDOAs) and frequency…”
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14
An Asymptotically Efficient Estimator for TDOA and FDOA Positioning of Multiple Disjoint Sources in the Presence of Sensor Location Uncertainties
Published in IEEE transactions on signal processing (01-07-2011)“…This correspondence considers the problem of locating multiple disjoint sources using time differences of arrival (TDOAs) and frequency differences of arrival…”
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15
TDOA Source Localization in the Presence of Synchronization Clock Bias and Sensor Position Errors
Published in IEEE transactions on signal processing (01-09-2013)“…TDOA positioning requires the sensors to be synchronized when sampling the signals to locate an emitting source. It also demands the sensor positions to be…”
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Algebraic Solution for Joint Localization and Synchronization of Multiple Sensor Nodes in the Presence of Beacon Uncertainties
Published in IEEE transactions on wireless communications (01-09-2014)“…This paper addresses the problem of joint localization and synchronization of multiple sensor nodes simultaneously using the time stamp information from…”
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17
Bias Reduced Semidefinite Relaxation Method for 3-D Rigid Body Localization Using AOA
Published in IEEE transactions on signal processing (2021)“…This paper addresses the angle-of-arrival (AOA) based rigid body localization problem, where the position and orientation of the rigid body are estimated…”
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18
The cultivation of research labor in Pacific Asia with special reference to Singapore
Published in Asia Pacific education review (01-06-2018)“…This paper adopts a political economy perspective in understanding how the country context frames the development of higher education doctoral science,…”
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Latitudinal variation in top-down and bottom-up control of a salt marsh food web
Published in Ecology (Durham) (01-02-2011)“…The shrub Iva frutescens , which occupies the terrestrial border of U.S. Atlantic Coast salt marshes, supports a food web that varies strongly across latitude…”
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Challenges for doctoral education in East Asia: a global and comparative perspective
Published in Asia Pacific education review (01-06-2018)“…East Asian higher education is experiencing a massive growth in doctoral education with the world-class university initiatives. The growth of doctoral…”
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