Results 211 to 220 of about 40,688 (257)

Nuclear diversity in Charophyceae revealed by fluorescence staining and its implications for genome size estimation. [PDF]

Planta
Böhm J, Peters J, Herburger K, Schubert H.   +3 more
europepmc   +1 more source

Multimodal Guidewire 3D Reconstruction Based on Magnetic Field Data. [PDF]

Sensors (Basel)
Jiang W, Zheng Q, Yang D, Li J, Wei W.
europepmc   +1 more source

Flexible IMU Sensor Array For 3D Colonoscope Shape Reconstruction and AI-Based Loop Detection. [PDF]

Adv Sci (Weinh)
Panula T, Halkilahti A, Ivanov A, Kaisti M.   +3 more
europepmc   +1 more source

Nakagami Statistics-Based Parametric Thermoacoustic Imaging for Assessment of Liver Microwave Ablation. [PDF]

Bioengineering (Basel)
Song L, Feng L, Song J, Yang W, Wu Z, Ling W, Huang L, Luo Y.   +7 more
europepmc   +1 more source

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Shape Estimation Algorithm for Ultrasound Imaging by Flexible Array Transducer

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2020
A flexible ultrasonic array transducer able to be attached to the body has the potential to achieve long-term continuous unconstrained ultrasound (US) imaging. However, the quality of reconstructed US images is affected by the accuracy of the estimated array shape because the array shape is primitive for time-delay calculation in delay-and-sum ...
Keiichi Nakagawa, Ichiro Sakuma
exaly   +3 more sources

Array shape estimation and tracking using active sonar reverberation

IEEE Transactions on Aerospace and Electronic Systems, 2004
This paper concerns the problem of array shape estimation and tracking for towed active sonar arrays, using received reverberation returns from a single transmitted CW pulse. Uniform linear arrays (ULAs) deviate from their nominal geometry while being towed due to ship maneuvers as well as ocean currents.
J Krolik
exaly   +2 more sources

Towed array shape estimation using multimodel partitioning filters

IEEE Journal of Oceanic Engineering, 1998
The problem of towed array shape estimation is reformulated and shown to be mathematically equivalent to the problem of state estimation with abruptly changing bias of the plant noise process. An algorithm belonging to the family of adaptive multimodel partitioning algorithms is subsequently applied to this problem, and its performance is comparatively
N.V. Nikitakos, A.K. Leros, S.K. Katsikas   +2 more
exaly   +2 more sources

A Sensor-Based Shape Estimation Method for Towed Array

Lecture Notes in Electrical Engineering, 2023
Yinglun Sun, Xue Han, Shaolong Zhi, Ting Wang, Dongdong Zhang   +4 more
exaly   +2 more sources

Array Shape Estimation of a Horizontal Suspension Hydrophone Line Array

IEEE Sensors Journal, 2020
A horizontal suspension hydrophone line array system for deep water target detection is demonstrated. Theoretical estimation of the array shapes at different array states is fulfilled through detailed kinetic analysis. When steady ocean forces solely exert on the array system from three orthogonal directions and the array is in the neutral-buoyancy ...
Jun Wang, Jing Zhu, Wen Chen, Pan Xu, Yongchao Zou, Yanqun Wu, Zhengliang Hu   +6 more
openaire   +1 more source

Wideband DOA estimation based on a-shaped array

2017 IEEE International Conference on Signal Processing, Communications and Computing (ICSPCC), 2017
In the underwater passive target detection system, direction of arrival (DOA) estimation of traditional uniform linear array (ULA) becomes poor when targets come from the direction of end-fire. To solve this problem, this paper develops a new DOA estimation method for the wideband signal based on A-shaped array, which is implemented via two ULAs ...
Juan Shi, Qunfei Zhang, Yue Wang 0019
openaire   +2 more sources