Results 21 to 30 of about 4,022,934 (291)

Novel two-dimensional DOA estimation with L-shaped array [PDF]

open access: yesEURASIP Journal on Advances in Signal Processing, 2011
Abstract Two-dimensional (2D) direction-of-arrival (DOA) estimation has played an important role in array signal processing. In this article, we address a problem of bind 2D-DOA estimation with L-shaped array. This article links the 2D-DOA estimation problem to the trilinear model.
Xiaofei Zhang, Jianfeng Li, Lingyun Xu
openaire   +2 more sources

V-Shaped Sparse Arrays for 2-D DOA Estimation [PDF]

open access: yesCircuits, Systems, and Signal Processing, 2018
Accepted paper in Circuits, Systems and Signal Processing ...
openaire   +3 more sources

L-Shaped Sparse Array Structure for 2-D DOA Estimation [PDF]

open access: yesIEEE Access, 2020
In order to improve the performance of two-dimensional (2-D) direction-of-arrival (DOA) estimation, an L-shaped sparse array structured by two new sparse linear arrays is proposed. Each part of the proposed L-shaped array is used for one-dimensional (1-D) azimuth and elevation estimation, respectively.
Fan Wu   +5 more
openaire   +2 more sources

Nonparametric IV estimation of shape-invariant Engel curves [PDF]

open access: yes, 2003
This paper concerns the identification and estimation of a shape-invariant Engel curve system with endogenous total expenditure. The shape-invariant specification involves a common shift parameter for each demographic group in a pooled system of Engel
Richard Blundell   +8 more
core   +1 more source

An Optimal Shaped Sensor Array Derivation

open access: yesMicromachines, 2023
In Structural Health Monitoring (SHM) applications, the Direction of Arrival (DoA) estimation of Guided Waves (GW) on sensor arrays is often used as a fundamental means to locate Acoustic Sources (AS) generated by damages growth or undesired impacts in ...
Marco Dibiase, Luca De Marchi
doaj   +1 more source

Autostereoscopic 3D Measurement Based on Adaptive Focus Volume Aggregation

open access: yesSensors, 2023
Autostereoscopic three-dimensional measuring systems are a kind of portable and fast precision metrology instrument. The systems are based on integral imaging that makes use of a micro-lens array before an image sensor to observe measured parts from ...
Sanshan Gao, Chi Fai Cheung
doaj   +1 more source

A Method of Structural Vibration Deformation Monitoring Based on FBG Strainmeter and Accelerometer Array

open access: yesIEEE Access, 2023
The monitoring of displacement and strain distribution of vibrating structures is very important for maintaining structural safety. In this paper, a monitoring method of structural vibration deformation based on Fiber Bragg Grating (FBG) strainmeter ...
Ziyue Zhao   +3 more
doaj   +1 more source

Honey bees communicate distance via non-linear waggle duration functions [PDF]

open access: yesPeerJ, 2021
Honey bees (genus Apis) can communicate the approximate location of a resource to their nestmates via the waggle dance. The distance to a goal is encoded by the duration of the waggle phase of the dance, but the precise shape of this distance-duration ...
Patrick L. Kohl, Benjamin Rutschmann
doaj   +2 more sources

Energy-efficient acceleration of MPEG-4 compression tools [PDF]

open access: yes, 2007
We propose novel hardware accelerator architectures for the most computationally demanding algorithms of the MPEG-4 video compression standard-motion estimation, binary motion estimation (for shape coding), and the forward/inverse discrete cosine ...
Daniel Larkin   +6 more
core   +2 more sources

Travel-time correction and preliminary results for ocean acoustic tomography in South China Sea [PDF]

open access: yesMATEC Web of Conferences, 2019
An acoustic tomography trial experiment was conducted in South China Sea during May to August in 2016. Two moorings are installed apart from about 56.94 km, while each consists of one low frequency source, 20 hydrophones deployed from the depth of about ...
Ji Xingyu, Zhao Hangfang
doaj   +1 more source

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