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Article
The higher-order topological pum** explored in the 2D acoustic crystal
The topological pum** has been instrumental in advancing our understanding of topological phase transitions in various physical systems, which can be extended to uncover intriguing higher-order topological p...
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Article
Ultrasound focusing with metamaterial
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Article
Editorial
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Article
Experimental demonstration of a three-dimensional omnidirectional and broadband acoustic concentrator using an anisotropic metamaterial
We report the theoretical design and experimental demonstration of a three-dimensional (3D) omnidirectional and broadband metamaterial-based concentrator for airborne sound. The proposed mechanism uses a homog...
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Chapter and Conference Paper
Enterprise Electricity Consumption Forecasting Method Based on Federated Learning
With the development of intelligence and data construction of electric power system in China, a large amount of data accumulated by electric power enterprises provide a data base for the fine prediction of ele...
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Article
Open AccessMeta-neural-network for real-time and passive deep-learning-based object recognition
Analyzing scattered wave to recognize object is of fundamental significance in wave physics. Recently-emerged deep learning technique achieved great success in interpreting wave field such as in ultrasound non...
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Article
Open AccessOne-way Acoustic Beam Splitter
As a key component of various acoustic systems, acoustic beam splitter (BS) finds important application in many scenarios, yet are conventionally based on the assumption that the acoustic waves propagate as ea...
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Article
Open AccessFine manipulation of sound via lossy metamaterials with independent and arbitrary reflection amplitude and phase
The fine manipulation of sound fields is critical in acoustics yet is restricted by the coupled amplitude and phase modulations in existing wave-steering metamaterials. Commonly, unavoidable losses make it dif...
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Article
Open AccessThree-dimensional broadband acoustic illusion cloak for sound-hard boundaries of curved geometry
Acoustic illusion cloaks that create illusion effects by changing the scattered wave have many potential applications in a variety of scenarios. However, the experimental realization of generating three-dimens...
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Article
Open AccessThree-dimensional Ultrathin Planar Lenses by Acoustic Metamaterials
Acoustic lenses find applications in various areas ranging from ultrasound imaging to nondestructive testing. A compact-size and high-efficient planar acoustic lens is crucial to achieving miniaturization and ...
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Article
Open AccessDelivering Sound Energy along an Arbitrary Convex Trajectory
Accelerating beams have attracted considerable research interest due to their peculiar properties and various applications. Although there have been numerous research on the generation and application of accel...
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Article
The velocity field around two interacting cavitation bubbles in an ultrasound field
A model is developed to calculate the distribution of first-order velocity field caused by the coupled bubbles in an ultrasound field. Using this model, numerical investigations of velocity field have been mad...
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Article
Open AccessAcoustic Illusion near Boundaries of Arbitrary Curved Geometry
We have proposed a scheme and presented the first experimental demonstration of acoustic illusion, by using anisotropic metamaterials to manipulate the acoustic field near boundaries of arbitrary curved geomet...
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Chapter and Conference Paper
PV-Diesel Power Supply Monitor System for Base Station of Telecommunication at Remote Area
Our work has started from develo** the renewable energy and broke through the traditional electricity supply method of the mobile communication. Utilizing the solar energy as the main power supplies the most...
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Article
The paleoclimatic records and the relevance with the formation of hydrocarbon source rocks: A case study of Huanghekou depression, Bohaiwan basin
Bohaiwan basin, covering an area of 200 000 km2, is one of the most important oil-bearing basins in Eastern China. Rifting processes formed the basin, and two evolution phases can be recognized. The rifting phase...
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Article
Numerical Analysis on Laser-Generated Guided Elastic Waves in a Hollow Cylinder
Numerical analyses are presented for laser-generated guided elastic waves in a hollow cylinder. Time-dependent displacement at the outer surface of a hollow cylinder is expressed by summation of longitudinal a...
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Chapter
Multiparameter Inversion of Elastic Wave with a Single Impulse Source
We present a single impulse source method to reconstruct two-dimensional variations in elastic materials with inhomogeneous density and elastic Lame parameters. For the case of seismic exploration, i.e., the s...
