A5002924756- Microwave Engineering and Waveguides
- Antenna Design and Analysis
- Advanced Antenna and Metasurface Technologies
- Photonic and Optical Devices
- Plasmonic and Surface Plasmon Research
- Photonic Crystals and Applications
- Image Enhancement Techniques
- Color Science and Applications
- Image and Signal Denoising Methods
- Advanced Image Fusion Techniques
- Advanced Computational Techniques and Applications
- CO2 Reduction Techniques and Catalysts
- Millimeter-Wave Propagation and Modeling
- Advanced Optical Sensing Technologies
- Optical Coatings and Gratings
- Seismic Imaging and Inversion Techniques
- Remote Sensing and LiDAR Applications
- Environmental Changes in China
- Web Data Mining and Analysis
- Optical Coherence Tomography Applications
- Wood and Agarwood Research
- Photoacoustic and Ultrasonic Imaging
- Seismic Waves and Analysis
- Underwater Acoustics Research
- Radical Photochemical Reactions
Changzhou University
2023
Nanjing Forestry University
2021-2022
Robert Bosch (Germany)
2022
Huaihua University
2020-2021
Space Micro (United States)
2020
Institute of Electronics
2020
Clinical Research Organization
2020
Wuhan University of Technology
2015-2017
Hunan University
2017
KTH Royal Institute of Technology
2016
As a novel modality of molecular imaging, bioluminescence tomography (BLT) is used to in vivo observe and measure the biological process at cellular level small animals. The core issue BLT determine distribution internal bioluminescent sources from optical measurements on external surface. In this paper, new algorithm presented for source reconstruction based adaptive hp-finite element method. Using mesh refinement strategy intelligent permissible region, we can obtain more accurate...
A near-infrared (NIR) plasmonic filter with a figure of merit as high 321 is proposed and numerically investigated. The realized by employing the nonlinear relationship between waveguide resonant wavelength Fano resonance air Si cavity. Because cavity directly coupled metal–insulator–metal waveguides, transmission efficiency (T) optical resolution (FWHM) are both improved to great extent, T = 92% FWHM 5 nm, keeping choose within NIR region. our design may allow further applications in...
A high gain Ka-band microstrip patch antenna with simple slot structure is presented. The uses two patches and each has four slots on it. An open-loop used to feed the patches. bandwidth of S <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">11</sub> <; -10 dB from 33.0 GHz 37.1 GHz, equivalent a relative 11.7% centered at 35 GHz. With dimension 7.9mm×8.4mm×0.508mm(equal 0.92 λ xmlns:xlink="http://www.w3.org/1999/xlink">0 </sub> ×0.98...
There always exists subjective and objective color differences between digital wood grain real grain, making it difficult to replicate the of natural timber. Therefore, we described a novel method correcting chromatic aberration scanned maximally restore information grain. A point-to-point correction model measured was established based on Circle 1 by adjusting three channels (sR, sG, sB) images. conversion space conducted using mutual formulas. The change images before after evaluated...
Abstract In this paper, influence of InP coupling cavity on Fano resonance sub wavelength MIM waveguide was studied by FDTD. It observed that the resonant wavelengths mode m j (j = 1, 2, 3) were closely related with height H 2 cavity. addition, before and after addition air cavity, relative farfield intensities I a function . Therefore, as discrete state could be used filling dielectrics in waveguide.
Decorative paper and wood veneer have been widely used in the surface decoration of wood-based panels. These methods require two-dimensional image acquisition natural grain to obtain digital grain. However, optically scanned images sometimes produce noise during process transmission. In this situation, cannot be directly reproductions. To reduce retain or strengthen sharpness, studies are mostly aimed at improvement classic denoising algorithms edge width-based sharpness evaluation...
Hardwood is widely used in the surface decoration of furniture and wood products due to its rich texture durable surface, improvement grain images vital promote aesthetics surfaces. In order restore Gaussian distribution distorted reproduce a sharp clear histogram specification algorithm based on constant mean variance values red (R), green (G), blue (B), an adaptive color adjustment extension R, G, B histograms was proposed, respectively. Objective evaluation methods distribution,...
Based on the working principle of grid antenna, a miniaturized Ka-band high-gain planar antenna is presented. The long lines in traditional array are bended to get an unit with smaller size. With dimensions microstrip line layer as 0.79 λ <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">0</sub> × 0.72 and substrate thickness 0.06 , gain 9.4 dBi at center frequency 35 GHz, maximum high up 10.0 band. radiation beamwidths GHz E-plane H-plane 76° 56°...
This paper presents a novel method for detecting the campus traffic congestion by combining BP neural network with descriptor. In this method, road occupancy rate is proposed and proved to be most effective descriptor among other descriptors of level in campus. The levels are divided into three phases based on three-phase theory. Experimental results show that capable congestion.
Abstract According to simulation results from FDTD, Fano resonance of the air-Si-Si-air combined waveguide cavity was mainly studied, including distribution magnetic field, quality factor, extinction coefficient and transmission efficiency. related height Si. When H 2 = 140 nm Si 1 300 nm, there higher in resonant better resonator, whose efficiency surface plasma up 89% for 1110 nm. This had very good filtering effect.
Real-world image denoising is a challenging problem in low-level vision. In order to reduce the luminance noise on scanned wood grain images randomly generated by Microtek Phantom 9900XL scanner, were classified and sorted according size. The proposed scheme reduces substituting dissimilar pixels within certain window No.1 No. 6 with size of approximately (or no greater than) 3 × processed using coarse 7 (α = 100, β 30), fine 5 90, 40), Dust & Scratches filter at settings 1 (pixels) 35...
Summary It is recognised that multiple reflections contain valuable information not present in primary reflections. Multiple energy reflects from a larger spatial area than the corresponding primaries for same reflector. For given common reflection point (CMP) multiples smaller set of angles reflection. These facts make interest improving quality images at shallow depths when water depth and/or recording geometry somewhat coarse. Several methodologies exist imaging multiples. Wavefield...
A high-gain low-cross-polarization Ka-band planar grid array antenna is presented. Compared with the traditional antenna, this removes side long lines to form open-ended stubs, and stability of field gain improved. The -10 dB impedance bandwidth from 34.3 GHz 35.6 GHz, equal a relative 3.7% centered at 35GHz. With dimensions 1.8 λ <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">0</sub> × 1.0 substrate thickness 0.06 , maximum in band high up...
A high-gain millimeter-wave microstrip-stub antenna is presented. The main radiation produced by four stubs, which are located on the places of maximum electric field loop. And loop specially designed to get an asymmetric distribution and provide proper feeding for stubs. -10 dB impedance bandwidth from 59.5 GHZ 60.8 GHZ. With a dimension 4.7mm×5.2mm×0.254mm (0.94 λ <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">0</sub> ×l.04 ×0.0508 at 60...
Oxidative CouplingIn their Communication on page 15468, C. Gerleve and A. Studer report the transition-metal-free oxidative cross-coupling of tetraarylborates to generate biaryls by using organic oxidants. ElectrofreezingElectrofreezing experiments super-cooled water with different ions pyroelectric crystals are described D. Harries, M. Lahav, I. Lubomirsky et al. in 15575.HCO 3 À elevate icing temperature, H O þ reduces it.Photochromic Oscillators In 15590, E. Prochµzkovµ, Cigµn ˇet present...
… von Wirkstoffmolekülen mit Ru(bpy 3 ) 2 ist Thema des Forschungsartikels Nicolas Winssinger et al. (e202203390).Es wird gezeigt,