A5102785697- Underwater Acoustics Research
- Speech and Audio Processing
- Metal-Organic Frameworks: Synthesis and Applications
- Advanced Decision-Making Techniques
- Ocular and Laser Science Research
- X-ray Diffraction in Crystallography
- Blind Source Separation Techniques
- Lightning and Electromagnetic Phenomena
- Direction-of-Arrival Estimation Techniques
- Photoacoustic and Ultrasonic Imaging
- Magnetism in coordination complexes
- Smart Grid and Power Systems
- Marine animal studies overview
- Photopolymerization techniques and applications
- Organometallic Compounds Synthesis and Characterization
- Atmospheric aerosols and clouds
- Advanced Optical Sensing Technologies
- Paleontology and Stratigraphy of Fossils
- Fire effects on ecosystems
- Supramolecular Chemistry and Complexes
- Fire Detection and Safety Systems
- Mineralogy and Gemology Studies
- Power Systems and Renewable Energy
- Crystallography and molecular interactions
- Random lasers and scattering media
North University of China
2012-2024
California Institute of Technology
2017
Shanghai Library
2015
Beijing University of Chemical Technology
2013
World Wide Web Consortium
2000
Gemological Institute of America
1998-1999
The miniaturization of low-frequency marine underwater acoustic detection systems presents new requirements for 3-D vector hydrophones. Inspired by fish lateral lines, we have introduced a biomimetic hydrophone. It features microstructure with monolithically integrated four-beam central block and cilium, capable detecting signals from three dimensions. Simulations were conducted to determine the natural frequencies stress hydrophone, helping establish structural parameters. arrangement...
Convective weather, often associated with heavy precipitation, hail, lightning, and other hazardous phenomena, is highly unpredictable, short-lived, localized, making forecasting early warning particularly challenging. The formation of lightning closely tied to the thermodynamic microphysical processes within severe convective weather systems (e.g., Qie et al., 2021). Not only does it pose a significant threat human life properties, but has also been recognized by International...
Shells and pearls often show iridescent color. The cause of this phenomenon has been attributed to diffraction, both diffraction interference, or interference alone. We used a shell the mollusk Pinctada margaritifera, which shows very strong colors, study how color is produced in layers nacre shells. From observations with scanning electronic microscope (SEM), particular exhibits fine scale grating structure. This suggests that caused by was demonstrated an experiment using argon ion laser...
The complex and variable ocean environment introduces noise to the signal received by microelectromechanical systems (MEMSs) vector hydrophones, which seriously affects target location. To improve detection efficiency broaden application range of this article proposed a novel modified wavelet packet (WP) de-noising method, known as WP energy (WPE) method. This method utilizes Shannon entropy determine optimal decomposition levels WPs calculates reconstructed signals in each frequency band...
We present a robust method of single-photon modulation by directly modulating the single photons and observe its frequency spectrum. Compared with conventional photon counting technique, spectrum shows that could not only realize high-frequency but also obtain higher signal-to-noise ratio. Moreover, theoretical calculations show good agreement experimental results.
Abstract A photovoltaic (PV) module state perception data acquisition technology based on high-speed carrier and micropower wireless dual-mode communication (DMCT) networking is proposed, which realizes real-time of the operating status distributed PV DC side modules by electric energy system (EEDAS), effectively solving problem fine monitoring control modules. The experimental results show that one-time success rate sensing more than 90%, minute-level 99%, meets reliability timeliness...
The 56.07-carat Tavernier pear-shaped gem diamond not only has an important historical provenance, but also shows a substantial color change between incandescent light and daylight. This famous exhibits very strong blue fluorescence when exposed to long-wavelength ultraviolet (UV) radiation. It appears brown (an orange hue) under light, pink (a purple in color, or "alexandrite effect," is caused by its resulting from the component present © 1998 John Wiley & Sons, Inc. Col Res Appl, 23, 323–327,
Templated coordination polymers [Ni(H 2 O) 4 (bipy)](BTA) 0.5 ·H O (1) and [Co(H (2) (bipy = 4,4 ′ -Bipyridine, H BTA 1,2,4,5-Benzenetetracarboxylic Acid) were synthesized characterized by single-crystal X-ray diffraction, powder elemental analysis, IR, thermogravimetric analysis. Both of complexes 1 are monoclinic crystal system, C2/c space group, isostructural. The unit the structure, metal ion is coordinated four water molecules two bipy molecules, a slightly distorted octahedral...
The reflective properties and illumination uniformity of the polymer can be improved effectively with microstructure on surface scattering particles high refractive index inside. paper is based early research author. reflector cup processed by injection molding using properties, which achieve efficiency light energy utilization uniform emergent ray.
Two supramolecular polymers <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mrow><mml:mrow><mml:mo>[</mml:mo><mml:mrow><mml:mtext>M</mml:mtext><mml:msub><mml:mrow><mml:mo>(</mml:mo><mml:mtext>B</mml:mtext><mml:mtext>P</mml:mtext><mml:mtext>P</mml:mtext><mml:mo>)</mml:mo></mml:mrow><mml:mn...
Abstract AlH 27 S 2 O 21 , cubic, Pa 3̄ (no. 205), a = 12.2403(14) Å, V 1833.9(6) Å 3 Z 4, R gt ( F ) 0.0507, wR ref 0.1458, T 298 K.
With the rapid development and wide application of Micro-Electro-Mechanical System (MEMS) vector hydrophones, it is higher requirement for estimation method direction arrival (DOA) a single hydrophone in complex environments. Although many classical methods DOA have been proposed this field, environments, such as multipath effects reverberation, still needs to be further studied. When target estimated environment with reflected waves, certain errors will caused due reflection provided that...