Results 91 to 100 of about 6,597 (217)

Spiral-shaped piezoelectric sensors for Lamb waves direction of arrival (DoA) estimation

, 2018
A novel strategy to design piezoelectric sensors suited for direction of arrival (DoA) estimation of incoming Lamb waves is presented in this work. The designed sensor is composed by two piezoelectric patches (P1, P2) to be bonded on the structure to be ...
L De Marchi, Luca De Marchi, Alessandro Marzani, Nicola Testoni, N Testoni, A Marzani   +5 more
core   +1 more source

Hybrid TDOA/DOA Multiple PD Localization Using Two Arrays With KPCA-mnc-FastICA and Sparrow Search Algorithm

IEEE Open Journal of Instrumentation and Measurement
Time difference of arrival (TDOA) and direction of arrival (DOA) are, respectively, applied to detect partial discharge (PD) target with ultrasonic signal.
Zeyu Zhang, Xiaojun Tang, Xiaoshan Li, Chongzhi Liu   +3 more
doaj   +1 more source

A Comprehensive Review of Direction of Arrival (DoA) Estimation Techniques and Algorithms

Journal of Electronics and Electrical Engineering
Direction of Arrival (DOA) estimation is a pivotal aspect of Array Signal Processing (ASP) with significant implications for the performance of modern communication systems. This paper provides a comprehensive review of DOA estimation techniques, encompassing both classical and advanced algorithms.
Saanvi Kulkarni, Avani Thakur, Samraddhi Soni, Anil Hiwale, Madhavi H. Belsare, A. A. Bazil Raj   +5 more
openaire   +1 more source

Direction-of-Arrival (DoA) Estimation Performance in Next-Generation Wireless Systems (5G and Beyond)

The Direction-of-Arrival (DoA) estimation method facilitates the accurate identification of signal origins, significantly enhancing the efficiency of communication systems. The need for precise and efficient DoA methods has increased due to their complex
Mutmainnah Hasib (18048478)
core   +1 more source

Narrowband and Wideband Direction-of-Arrival Estimation For Uniform And Nonuniform Linear Arrays

, 2009
Nonuniform linear arrays (NLAs) have certain advantages and problems for directions of arrival (DOA) estimation. They cover a large array aperture with fewer sensors, and they require fewer matched channels or receivers.
Tuncer, Temel Engin
core  

Problems with direction finding using linear array with element spacing more than half wavelength

, 2002
This paper investigates the performance of different parameter estimation algorithms in direction finding using a linear array with element spacing of more than half a wavelength.
Nix, AR, Tan, CM, Beach, MA
core  

Joint Direction of Arrival and amplitude estimation using Particle Swarm Optimization and a single snapshot

, 2010
Direction of Arrival (DOA) estimation is a problem which concerns very diverse fields of interest. In most applications, not only the DOA but also the estimation of the amplitude of the incoming signals is becoming an important issue.
R. Fernandez-Recio, B. Errasti-Alcala, A. Jurado-Lucena, D. Poyatos-Martinez, Fernández-Recio, R., Poyatos-Martínez, D., Errasti-Alcalá, B., Escot-Bocanegra, D., D. Escot-Bocanegra, Jurado-Lucena, A.   +9 more
core   +1 more source

Research on 2-D Direction of Arrival (DOA) Estimation for an L-Shaped Array

Remote Sensing
Lately, there has been a significant increase in interest in coprime array configurations, as they offer the advantage of generating more extensive array apertures and enhanced degrees of freedom when contrasted with standard linear arrays. This document introduces an innovative two-dimensional direction-of-arrival (2-D DOA) estimation technique ...
Kun Ye, Lang Zhou, Shaohua Hong, Xuebo Zhang 0002, Haixin Sun   +4 more
openaire   +2 more sources

Direction-of-Arrival Tracking Scheme for DS/CDMA Systems: Direction Lock Loop [PDF]

, 2004
In this paper, a new direction-of-arrival (DOA) tracking algorithm, direction lock loop (DiLL), is proposed for wireless direct-sequence code-division multiple-access systems.
Seo, Dongyoun, D. Seo, Y.-H. Lee, Kwon, Hyuck M, Lee, Yong-Hwan, Lee, Kwang Bok, K.B. Lee, Min, Seunghyun, Lee, Kwangbok, S. Min, Kwon, Hyuck M., Lee, Yong H., H.M. Kwon   +12 more
core   +1 more source

Joint DOD and DOA Estimation Using Reduced-Capon Method in Bistatic MIMO Array

Xibei Gongye Daxue Xuebao, 2019
In order to resolve the problem of joint direction of departure (DOD) and direction of arrival (DOA) estimation in bistatic MIMO array, a dimensional reduced-Capon method based on Taylor series expansion and signal subspace is proposed in this paper ...

doaj   +1 more source