-
361
Exploring the process—structure–property relationship of nylon aramid 3D printed composites and parameter optimization using supervised machine learning techniques
Published 2025-02-01“…To develop an experimental layout using Taguchi’s L 18 orthogonal array, six different FDM parameters such as infill pattern, infill density, layer thickness, component orientation, print temperature, and raster angle have been taken into consideration.Using an Ultimaker FDM printer, rectangular samples were created, and the values of face hardness, thickness regions, printing time, and component weight were assessed. …”
Get full text
Article -
362
Design and modeling of a highly compact negative index floral shape metamaterial for flight navigation applications
Published 2025-02-01“…Furthermore, to analyze the function of the structure on the antenna, the unit-element (UE) is expanded to a 5 × 4 array and deployed as an additional layer on the radiator at a predetermined distance. …”
Get full text
Article -
363
Design of polling access control protocol in WSN based on FPGA
Published 2016-10-01“…MAC(media access control) protocol is a direct link between physical and network layer,which is one of the key protocols to ensure high efficient communication.According to the characteristics of WSN (wireless sensor network) nodes,the design and implementation of polling access control protocol based on FPGA (field programmable gate array) were presented for the first time.The design made full use of the characteristics of flexibility and reconfigurability of FPGA.The method of combination of the hardware circuit description language Verilog HDL and the principle diagram was adopted,using Quartus II 8.0 to carry on the synthesis and routing,testing in the DE2.The design has the characteristics of good real-time,high reliability,strong portability,and can effectively reduce the transmission delay and improve the bus utilization.The designed system can be widely used in WSN,software radio network,ad hoc networks,military integrated service network,mobile communications networks,Internet of things as well as other fields.…”
Get full text
Article -
364
Millimeter Wave on Chip Antenna Using Dogbone Shape Artificial Magnetic Conductor
Published 2013-01-01“…The result shows that 0.72 dB gain has been achieved at 75 GHz when the AMC is constructed by a 4*6 dogbone array.…”
Get full text
Article -
365
Polarization-Selective Holographic Metasurface For Creating Cylindrical Vector Beams
Published 2019-01-01“…Here, we report a holographic metasurface patterned on a gold film layer for generating a GCVB. The nanostructure is a superposition of an individually oriented nanoslit array that determines the polarization distribution of the GCVB and a binary fork hologram that eliminates the additional Pancharatnam–Berry phase resulted from the circularly polarized incident plane beam. …”
Get full text
Article -
366
Design of polling access control protocol in WSN based on FPGA
Published 2016-10-01“…MAC(media access control) protocol is a direct link between physical and network layer,which is one of the key protocols to ensure high efficient communication.According to the characteristics of WSN (wireless sensor network) nodes,the design and implementation of polling access control protocol based on FPGA (field programmable gate array) were presented for the first time.The design made full use of the characteristics of flexibility and reconfigurability of FPGA.The method of combination of the hardware circuit description language Verilog HDL and the principle diagram was adopted,using Quartus II 8.0 to carry on the synthesis and routing,testing in the DE2.The design has the characteristics of good real-time,high reliability,strong portability,and can effectively reduce the transmission delay and improve the bus utilization.The designed system can be widely used in WSN,software radio network,ad hoc networks,military integrated service network,mobile communications networks,Internet of things as well as other fields.…”
Get full text
Article -
367
AgIn2 thickness on void rate, microstructure, IMC growth, thermal and mechanical properties of fluxless In@AgIn2 joint
Published 2025-03-01“…This issue limits the application of In in advanced ball grid array (BGA) packages. In this study, for the first time, varying thicknesses Ag coatings were electroplated onto the surfaces of thick In TIM1 to form a non-oxidizing AgIn2 layer (In@xAgIn2, where x = 0.4, 1, 3, 6 μm) to protects the inner In from oxidation and enables fluxless reflow. …”
Get full text
Article -
368
Techniques of Melody Formation and Improvisation in Latvian Recitatives
Published 2025-06-01“…The documentary material available for the study of recitatives (the dominant style of the older layer of Latvian folk song) mainly consists of field transcriptions from the late 19th and the first half of the 20th century. …”
Get full text
Article -
369
Research developments of electronic nose and its application in processing of agriculture products
Published 2003-09-01“…An electronic nose consists of three parts: the gas sensor array, the signal preparation system and the pattern recognition system. …”
Get full text
Article -
370
Encoding Mie, plasmonic, and diffractive structural colors in the same pixel
Published 2023-06-01“…Exploiting the different color generating modes, we encode four layers of information in a pixel array, where each layer is unveiled using a different combination of excitation and imaging settings. …”
Get full text
Article -
371
Analytical Circuit-based Model for Low Thickness Tunable Metasurfaces Design
Published 2024-11-01“… An analytical model of metasurfaces made of a rectangular array deposited on a low thickness (10-150 µm) grounded dielectric layer is presented. …”
Get full text
Article -
372
Enhancing 2-D Beam Scanning Capability through Extended Transmission Paths in a Liquid Crystal-Based Transmitarray Antenna for mmWave Communications
Published 2025-01-01“…Furthermore, a 10 × 10 array design is fabricated and measured to verify its 2D beam scanning capability. …”
Get full text
Article -
373
Multiband Circular Polarizer Based on Fission Transmission of Linearly Polarized Wave for X-Band Applications
Published 2016-01-01“…It means that the incident linearly polarized wave is converted into two orthogonal components through lower printed metallic strips layer and two transmitted waves impinge on the upper printed strips layer to convert into four orthogonal vector components at the end of structure. …”
Get full text
Article -
374
Evidence from a mouse model that epithelial cell migration and mesenchymal-epithelial transition contribute to rapid restoration of uterine tissue integrity during menstruation.
Published 2014-01-01“…Menses, characterised by the shedding of the upper functional layer of the endometrium, is the culmination of a cascade of irreversible changes in tissue function including stromal decidualisation, inflammation and production of degradative enzymes. …”
Get full text
Article -
375
Miniaturized side-firing intracardiac photoacoustic imaging catheter for monitoring radiofrequency ablation
Published 2025-05-01“…The catheter system successfully imaged through an 8-mm blood layer, effectively highlighting necrotic regions. …”
Get full text
Article -
376
Application of SPAC method in dividing strata of the Quaternary strata
Published 2025-03-01“…Compared with models with the Low-Velocity Soft Layer Model, the High-Velocity Hard Layer Model, and the Velocity-Increasing Model, the Forking Genetic Algorithm fGA has the advantage of not relying on the initial model for inverting dispersion curves.ResultsTaking the measured data from a certain location on the northern edge of the North China Craton as an example, it used the SPAC, transient Rayleigh surface wave, and wave velocity logging methods to invert the S-wave velocity structure. …”
Get full text
Article -
377
A Low-Profile Metasurface MIMO Antenna with Suppressed Higher-Order Modes for 5G Applications
Published 2024-03-01“…The metasurface layer is a 3×3 array of patches. By strategically incorporating slits and stubs within the middle patches, the undesired degenerate mode is separated from the fundamental mode, and higher-order modes are suppressed that typically appear in conventional metasurfaces. …”
Get full text
Article -
378
Wordline Input Bias Scheme for Neural Network Implementation in 3D-NAND Flash
Published 2025-05-01“…Each synaptic weight is implemented using two paired devices, and each WL layer corresponds to a fully connected (FC) layer, enabling efficient vector-matrix multiplication (VMM). …”
Get full text
Article -
379
All-Dielectric Metasurface for Highly Tunable, Narrowband Notch Filtering
Published 2019-01-01“…A novel scheme of an all-dielectric metasurface with double-layer patch array is proposed to achieve the highly tunable, narrowband notch filtering across visible and near-infrared range. …”
Get full text
Article -
380
A unipolar-driven synaptic transistor for environment-adaptable vision system
Published 2025-08-01“…The unipolar property is achieved within a single device through a bilayer gate dielectric, comprising a high-k charge trapping layer (k > 6) and an ultrathin charge tunneling layer (<5 nm), which synergistically facilitate dipole polarization and charge trapping. …”
Get full text
Article