搜索结果: 1-15 共查到“工学 Curvature”相关记录26条 . 查询时间(0.075 秒)
Researchers Use Light to Remotely Control Curvature of Plastics
Researchers Light to Remotely Control Curvature Plastics
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2017/3/30
The ability to change shape and control curvature in 3D structures starting from planar sheets can aid in assembly and add functionality to an object. Herein, we convert planar sheets of shape memory ...
FULLY AUTOMATED GIS-BASED INDIVIDUAL TREE CROWN DELINEATION BASED ON CURVATURE VALUES FROM A LIDAR DERIVED CANOPY HEIGHT MODEL IN A CONIFEROUS PLANTATION
Crown Delineation Canopy Height Model (CHM) Local Maxima Curvature Slope Thiessen Polygons
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2016/11/30
The generation of high resolution canopy height model (CHM) from LiDAR makes it possible to delineate individual tree crown by means of a fully-automated method using the CHM’s curvature through its s...
Range Image Segmentation Using the Numerical Description of the Mean Curvature Values
Laser Scanner Range Image Segmentation Mean Curvature values
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2015/12/16
In this paper we present a new efficient edge detection algorithm for the extraction of linear features in both range and intensity
image data. In the proposed algorithm the distinguished points, whi...
A Statistically Proven Automatic Curvature Based Classification Procedure of Laser Points
Laser scanning Classification Feature Recognition
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2015/12/16
One of the critical aspects of the curvature based classification of spatial objects from laser point clouds is the correct interpretation
of the results. This is due to the fact that measurements ar...
Influence on Height Measure from Earth Curvature Based on Spaceborne InSAR
Interferometric Synthetic Aperture Radar Earth Curvature Height Measure
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2015/11/20
It is very different from spaceborne InSAR and airborne InSAR because satellite orbit is relatively more higher, the distance between satellite subsatellite point and mapping area may be from hundreds...
CALIBRATION OF CURVATURE OF FIELD FOR DEPTH FROM FOCUS
Metrology Calibration Depth from Focus
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2015/5/18
A method for accurate depth measurement in depth from focus is presented. With depth from focus the 3D shape of objects can be
measured. To do so, an image series with different distances between cam...
Guanidinium-Rich ROMP Polymers Drive Phase, Charge, and Curvature-Specific Interactions with Phospholipid Membranes
Protein Transduction Domains Cell-Penetrating Peptides Membranes Phospholipids Vesicles Drug Delivery
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2014/11/21
Protein transduction domains (PTDs) and their and their synthetic mimics are short sequences capable of unusually high uptake in cells. Several varieties of these molecules, including the arginine-ric...
Tooth Cusp Radius of Curvature as a Dietary Correlate in Primates
Tooth Cusp Radius Curvature Dietary Correlate Primates
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2014/10/24
Tooth cusp radius of curvature (RoC) has been hypothesized to play an important role in food item breakdown, but has remained largely unstudied due to difficulties in measuring and modeling RoC in mul...
Finite Element Analysis of a Femur to Deconstruct the Design Paradox of Bone Curvature
Finite Element Analysis Femur to Deconstruct Design Paradox Bone Curvature
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2014/10/23
The femur is the longest limb bone found in humans. Almost all the long limb bones found in terrestrial mammals, including the femur studied herein, have been observed to be loaded in bending and are ...
Effect of Grain Curvature on Nano-Indentation Measurements of Thin Films
Nano-indentation Hardness of thin film Young’s modulus of thin film VO2 Vanadium dioxide Grain curvature effect
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2011/11/25
Grain curvature effect on the measurement of nano-indentation has been observed for the first time, taking VO2 thin film as an example. As the grain size of thin film is comparable to the diameter of ...
Simultaneous measurement of curvature and temperature based on PCF-based interferometer and fiber Bragg grating
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2013/5/27
A sensor head cons is t in g of a photonic cr ystalfiber ( PCF)-b ased Mac h –Zehnderinterferometer(MZI) anda fiber Bragg grating (F BG) i s proposed and experimentally demo nstrated for simultaneous ...
四轴联动数控螺旋锥齿轮铣齿机的齿长曲率修正（4-axis CNC Spiral Bevel Gear Machine Tooth-profile Lengthwise Curvature Modification）
螺旋锥齿轮铣齿机 加工坐标系 轮齿接触分析
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2010/12/28
常规机床对螺旋锥齿轮的齿长曲率进行修正时，需从机床上拆装铣刀盘，并重新调整其行程直径，过程繁琐。对此利用国产四轴数控铣齿机，建立铣齿加工坐标系，以及径向刀位、切削滚比变化多项式。用轮齿接触分析（TCA）的方法，以被加工齿面的接触路径、传动误差作为评价目标，研究径向刀位、切削滚比的变化对齿长曲率修正的规律。TCA分析及铣齿实验结果表明，不改变铣刀盘直径，即可实现对齿长曲率的修正，同时可更加灵活地控制...
Curvature sensor based on fiber loop mirror with polarization maintaining fiber.
polarization maintaining fiber curvature sensor fiber loop mirror
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2013/5/27
An optical fiber curvature sensor based on fiber loop mirror with a short section of polarization maintaining fiber (PMF) is proposed and demonstrated experimentally. The PMF of about 100 cm long is i...
Curvature measurement by using low-birefringence photonic crystal fiber based Sagnac loop.
Photonic crystal fi ber Sagnac interferometer Curvature sensor
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2013/5/27
An optical fi ber curvature sensor with low-birefringence photonic crystal fiber (PCF) based Sagnac loop is demonstrated experimentally. The low-birefringence PCF of about 40 cm long is inserted into ...
An influence of the curvature on the kink dynamics in the spherical Josephson junction
Josephson junction Sine-Gordon model Kink solution
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2010/1/11
The main finding of this article is an effective potential that describes the influence of the curvature on the kink motion in the spherical Josephson junction.
Research limitations/implications: The...