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RESEARCH ON THE ATTENUATION RULE OF MAP INFORMATION IN MAP GENERALIZATION
map generalization Information attenuation GIS spatial information key-scale extended fractal
2015/8/10
With the development of the technique of multiple dimension GIS databases, the problem of the key-scale becomes an important technical problem. The paper presents a new method about how to determine t...
Improved parameterization of seagrass blade dynamics and wave attenuation based on numerical and laboratory experiments
seagrass blade dynamics wave attenuation based numerical laboratory experiments
2015/6/30
Seagrass blade dynamics were explored through numerical and laboratory experiments in order to improve parameterization of wave attenuation by submerged aquatic vegetation in the presence of a backgro...
Correcting attenuation effects caused by interactions in the forest canopy in full-waveform airborne laser scanner data
Full-waveform airborne laser scanning attenuation correction waveform history analysis
2014/9/9
Full-waveform airborne laser scanning offers a great potential for various forestry applications. Especially applications requiring information on the vertical structure of the lower canopy parts bene...
Active-adaptive Vibration Absorbers and Its Vibration Attenuation Performance
Vibration Absorbers Shift Frequency Range Damping Vibration Attenuation Effect
2015/3/26
To improve the working frequency band and the damping effect of vibration absorber, an active-adaptive vibration absorber (AAVA) was presented. The AAVA can be considered as the integration of adaptiv...
Stress pulse attenuation in shear thickening fluid
The stress pulse attenuation ethylene glycol spilt hopkinson pressure bar
2015/3/26
The stress pulse attenuation of the 62 vol/vol. % dense silica particle-ethylene glycol suspension was investigated by using a modified spilt Hopkinson pressure bar. In comparison to the neat ethylene...
Attenuation in a Cylindrical Left Handed Material (LHM) Wave-Guide Structure
Left Handed Material TM Waves TE Waves Attenuation Constant Waveguides Superconductor Metal
2013/1/30
This paper tackles the wave attenuation along with a cylindrical waveguides composed of a left Handed material (LHM), surrounded by a superconducting or metal wall. I used the transcendental equations...
Flexible Optical Waveguide Bent Loss Attenuation Effects Analysis and Modeling Application to an Intrinsic Optical Fiber Temperature Sensor
Optical Fiber Losses Curvature Sensor Temperature Micro Technology
2013/1/30
The temperature dependence of the bending loss light energy in multimode optical fibers is reported and analyzed. The work described in this paper aims to extend an initial previous analysis concernin...
The design of an active-adaptive tuned vibration absorber based on magnetorheological elastomer and its vibration attenuation performance
Active - the adaptive tuned damper based on magnetorheological elastomers voice coil motor adjust the shock absorber activation
2015/3/30
This paper presents an active–adaptive tuned vibration absorber (AATVA) which is based on magnetorheological elastomer (MRE). A voice coil motor is attached to a conventional MRE adaptive tuned vibrat...
Ultimate Limits of Effective Area and Attenuation for High Data Rate Fibers
Fiber design fabrication Fiber characterization
2015/5/25
High data rate telecommunication networks operating at 100 Gb/s require low loss fibers with very large effective areas to mitigate nonlinearities. The state of the art fiber technologies needed to ac...
Reducing spectral attenuation in solid-core photonic crystal fibers
Fiber optics optical communications Microstructured fibers
2015/6/10
We describe the effects of fabrication process timing and preform exposure to atmospheric air on spectral attenuation in photonic crystal fibers. The lowest attenuation is achieved by rapid processing...
OSNR-Enhancing Pure-Silica-Core Fiber with Large Effective Area and Low Attenuation
Fiber design and fabrication Fiber optics communications
2015/6/9
Pure-silica-core fiber with large Aeff of 134m 2 is designed to enhance OSNR considering splice loss to SSMF, and realized by appropriate depressed cladding profile and soft primary coating. I...
Toward Attenuation of Self-sustained Oscillations of a Turbulent Jet through Two Orificies with Same Diameter
Self-sustained oscillations attenuation or damping of flow-induced vibrations turbulent pipe flow
2009/10/15
The experiments were carried out with various types of attenuators such as volume addition, compliant boundaries and vortex generators. It was observed that the volume addition to the pipe system chan...
Retrieval of Columnar Aerosol Size Distributions from Spectral Attenuation Measurements over Central Himalayas
Extinction coefficients Optical depth Size distribution
2016/3/29
Extensive measurements of spectral aerosol optical depths (AODs) were made at Manora Peak, Nainital (29.4oN, 79.5oE, ~1958 m
above mean sea level) in the central Himalayas, using a ten channel multi-...
Estimation Of Attenuation And Phase Delay In Driving Voltage Waveform Of An Ultra-High-Speed Image Sensor by Dimensional Analysis
Dimensional Analysis Elmore model RC network Signal Attenuation
2010/2/2
We present an explicit expression to estimate driving
voltage attenuation through RC networks representation of an ultrahigh-
speed image sensor. Elmore delay metric for a fundamental RC
chain is e...
Computations for a Breast Ultrasonic Imaging Technique and Finite Element Approach for a Fractional Derivative Modeling the Breast Tissue Acoustic Attenuation
breast cancer detection ultrasound propagation fractional derivative for acoustic attenuation
2010/10/22
Biomathematics use mathematics to quantitatively represent the dynamics of biological or
biomedical systems and thereby analyze and predict system behavior. This work addresses
an application of bio...