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Saddle-shaped origami enables new microelectronic applications（图）
origami microelectronic hyperbolic paraboloid
2019/11/22
The hypar origami form, with its sweeping opposing arcs and saddle shape, has long been popular with artists working in the paper-folding tradition. Now NSF-funded researchers at Georgia Tech and thei...
DIGITAL PHOTOGRAMMETRY FOR THE GEOMETRICAL ANALYSIS OF THE UMBRELLA-SHAPED DOME IN BAIA (NAPLES)
Heritage geometrical analysis Baia dome photogrammetry
2018/6/4
This paper is focused on the use of photogrammetric measurement techniques for the valorization of architectural and archaeological heritage. The functionality of this system allows operating with unf...
Randomized controlled trial assessing the efficacy of a reusable fish-shaped iron ingot to increase hemoglobin concentration in anemic, rural Cambodian women
anemia Cambodia hemoglobin inflammation iron deficiency iron ingot Lucky Iron Fish randomized controlled trial serum ferritin women of reproductive age
2018/11/15
Background: Anemia affects 45% of women of childbearing age in Cambodia. Iron supplementation is recommended in populations in which anemia prevalence is high. However, there are issues of cost, distr...
USE OF IMAGE BASED MODELLING FOR DOCUMENTATION OF INTRICATELY SHAPED OBJECTS
Image Based Modelling Timber Roof Truss Spiral Staircase Historical Furniture Folk Costume
2016/11/11
In the documentation of cultural heritage, we can encounter three dimensional shapes and structures which are complicated to measure. Such objects are for example spiral staircases, timber roof trusse...
Semi-Automatic Extraction of Different-Shaped Road Centerlines from Ms and Pan-Sharped IKONOS Images
Image processing Road extraction Space photogrammetry Clustering Updating
2015/12/9
In this work we develop semi-automatic road extraction system for updating and storage road network data bases. Combination of some of the existing road extraction techniques such as spectral and spat...
Terabit+ (192 × 10 Gb/s) Nyquist Shaped UDWDM Coherent PON with Upstream and Downstream over a 12.8 nm Band
Terabit S Nyquist Shaped DWDM Coherent PON Upstream and Downstream 12.8 nm Band
2014/11/6
We experimentally demonstrate a bi-directional Terabit+ UDWDM coherent PON with Nyquist shaped 16QAM modulation, offering up to 10 Gb/s service capabilities per user/wavelength in a total spectrum of ...
Investigation on flame retardancy, combustion and pyrolysis behavior of flame retarded unsaturated polyester resin with a star-shaped phosphorus-containing compound
Unsaturated polyester resin Thermal degradation Pyrolysis evolved gas analysis Flame retardancy
2015/3/24
The phosphorus-containing star-shaped flame retardant (TRIPOD-DOPO) was synthesized, while the
flame retardant unsaturated polyester resins (FR-UPRs) composites with various amounts of TRIPODDOPO wer...
Schrödinger Equation with a Cubic Nonlinearity Sech-Shaped Soliton Solutions
Soliton Schrö dinger Equation Cubic Nonlinearity
2013/1/30
We first analyze the sech-shaped soliton solutions, either spatial or temporal of the 1D-Schrödinger equation with a cubic nonlinearity. Afterwards, these solutions are generalized to the 2D-Schr...
Temporal coupled-mode theory for light scattering by an arbitrarily shaped object supporting a single resonance
Temporal coupled-mode theory light scattering single resonance
2015/8/7
We develop a temporal coupled-mode theory to describe the interaction of plane wave with an individual scatterer having an arbitrary shape. The theory involves the expansion of the fields on cyl...
Order-to-disorder transition in ring-shaped colloidal stains
Order-to-disorder transition ring-shaped colloidal stains Fluid Dynamics
2011/8/2
Abstract: A colloidal dispersion droplet evaporating from a surface, such as a drying coffee drop, leaves a distinct ring-shaped stain. Although this mechanism is frequently used for particle self-ass...
Complexity versus Performance Tradeoff for Fiber Nonlinearity Compensation Using Frequency-Shaped, Multi-Subband Backpropagation
optics, fibers Nonlinear optical signal processing Wave propagation
2015/5/21
We investigate the use of an enhanced backpropagation algorithm where subbanding and frequency-shaping by pre- and post-filters are used in the calculation of nonlinearity to enable larger step sizes ...
Microwave Photonic Filters with a Directly Generated Gaussian-shaped Optical Frequency Comb
Microwave Photonic Filters Directly Generated Gaussian-shaped Optical Frequency Comb
2015/5/21
Using electro-optic modulators, we generate a 41-line 10-GHz spaced Gaussian-shaped optical comb. We use this comb to demonstrate apodized microwave photonic filters with greater than 43-dB sidelobe s...
Photonic Synthesis of Triangular-Shaped Pulses and Its Tunability Utilizing Frequency to Time Mapping
Triangular-Shaped Pulses Utilizing Frequency Photonic Synthesis
2015/5/15
A synthesis scheme to generate microwave triangular-shaped pulses based on spectral shaping and frequency-to-time mapping is proposed. Triangular-shaped signals with periods of 0.2ns, 0.4ns, 1.6ns and...
基于Drucker-Prager屈服准则与弹性力学问题有限元方法，以小麦为例建立了松散物料与某型号钢板锥仓的接触数学模型。在合理建模基础上解决了松散物料与锥仓接触时接触面上必须满足的位移条件、力的传递关系以及力与位移的关系。通过建立求解方程与计算程序，使用Lagrange乘子法与罚函数法相结合进行强制接触协调，获得了较精确的计算结果。结果表明，散料在锥仓中接触摩擦应力与接触状态相关，应力值较小，总...
Topology-Optimized Slow-Light Couplers for Ring-Shaped Photonic Crystal Waveguide
Integrated optics devices Photonic crystals Waveguides planar
2015/6/4
We demonstrate a topology-optimized coupler for a ring-shaped photonic crystal waveguide to improve the coupling of light located in the slow-light regime. An enhancement of the coupling efficiency of...