Results 21 to 30 of about 190,237 (262)

Research Progress on Coprime Array Signal Processing: Direction-of-Arrival Estimation and Adaptive Beamforming

open access: yesLeida xuebao, 2019
Array signal processing is an essential tool in broad radar applications. The coprime array has recently been proposed to overcome the bottleneck caused by the Nyquist spatial sampling rate.
ZHOU Chengwei   +4 more
doaj   +1 more source

A novel sparse recovery‐based space‐time adaptive processing algorithm based on gridless sparse Bayesian learning for non‐sidelooking airborne radar

open access: yesIET Radar, Sonar & Navigation, 2023
Non‐sidelooking airborne radar encounters significant non‐stationary and heterogeneous clutter environments, resulting in a severe shortage of samples.
Weichen Cui   +3 more
doaj   +1 more source

Novel Adaptive Filtering Algorithms Based on Higher-Order Statistics and Geometric Algebra

open access: yesIEEE Access, 2020
Adaptive filtering algorithms based on higher-order statistics are proposed for multi-dimensional signal processing in geometric algebra (GA) space. In this paper, the proposed adaptive filtering algorithms utilize the advantage of GA theory in multi ...
Yinmei He   +4 more
doaj   +1 more source

Imaging of High‐Risk Neuroblastoma: Recommendations From SIOPEN Radiology and Nuclear Medicine Specialty Committees

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Neuroblastoma is the most common extracranial solid tumor in early childhood. Its clinical behavior is highly variable, ranging from spontaneous regression to fatal outcome despite intensive treatment. The International Society of Pediatric Oncology Europe Neuroblastoma Group (SIOPEN) Radiology and Nuclear Medicine Specialty Committees ...
Annemieke Littooij   +11 more
wiley   +1 more source

Dynamic Interference Steering in Heterogeneous Cellular Networks

open access: yesIEEE Access, 2018
With the development of diverse wireless communication technologies, interference has become a key impediment in network performance, thus making effective interference management (IM) essential to accommodate a rapidly increasing number of subscribers ...
Z. Li   +4 more
doaj   +1 more source

Preset time count rate meter using adaptive digital signal processing [PDF]

open access: yesNuclear Technology and Radiation Protection, 2005
Two presented methods were developed to improve classical preset time count rate meters by using adapt able signal processing tools. An optimized detection algorithm that senses the change of mean count rate was implemented in both methods.
Žigić Aleksandar D.
doaj   +1 more source

Adaptive Complex Variational Mode Decomposition for Micro-Motion Signal Processing Applications

open access: yesSensors, 2021
In order to suppress the strong clutter component and separate the effective fretting component from narrow-band radar echo, a method based on complex variational mode decomposition (CVMD) is proposed in this paper.
Saiqiang Xia   +5 more
doaj   +1 more source

Carcinomas and Carcinoid Tumors of the Lungs and Bronchi in Children and Adolescents: The EXPeRT Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Primary lung carcinomas and bronchial carcinoid tumors (BC) are very rare malignancies in childhood. While typical BC and mucoepidermoid carcinomas are mostly low‐grade, localized tumors with a more favorable prognosis than in adults, necessitating avoidance of overtreatment, adenocarcinomas of the lung are often diagnosed at advanced disease ...
Michael Abele   +19 more
wiley   +1 more source

Adaptive Signal Processing Algorithms Based on EMD and ITD

open access: yesIEEE Access, 2019
In the last two decades, both Empirical Mode Decomposition (EMD) and Intrinsic Time-Scale Decomposition (ITD) algorithms deserved a variety of applications in various fields of science and engineering due to their obvious advantages compared to ...
Alexander Voznesensky, Dmitrii Kaplun
doaj   +1 more source

Signal-processing and adaptive prototissue formation in metabolic DNA protocells

open access: yesNature Communications, 2022
Signal processing for downstream functional and morphological adaptations is crucial for understanding and re-enacting features of living systems. Here, the authors show DNAzyme-containing, metabolic protocells that induce prototissue formation via ...
Avik Samanta   +4 more
doaj   +1 more source

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