搜索结果: 1-15 共查到“知识库 工学 Sound”相关记录30条 . 查询时间(0.078 秒)
Sound, Complete and Scalable Path-Sensitive Analysis
Static analysis path- and context-sensitive analysis strongest necessary/weakest sufficient conditions
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2016/5/24
We present a new, precise technique for fully path- and contextsensitive program analysis. Our technique exploits two observations:First, using quantified, recursive formulas, path- and contextsensiti...
THE EFFECT OF SOUND WAVE BENDING ON UNDERWATER ACOUSTIC POSITIONING ACCURACY
Underwater Acoustic Positioning System Sound Speed Sound Wave Bending Positioning Accuracy
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2016/3/17
Underwater acoustic positioning system solves the problem of how to position and navigate object underwater. Therefore, it can help people to locate the area of disaster to search and succor. But, bec...
DEVELOPMENT OF HIGH RESOLUTION 3D SOUND PROPAGATION MODEL USING LIDAR DATA AND AIR PHOTO
Laser altimetry 3D modelling Aerial image Clustering Extraction
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2016/1/3
Prediction of sound level of real world environment in 3D is important for managing noise pollution, urban planning, virtual realization of sound etc. Commercially available semi-empirical sound model...
MODELING URBAN PATTERNS AND LANDSCAPE CHANGE IN CENTRAL PUGET SOUND
Urban modeling land cover change analysis landscape metrics growth management
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2015/8/3
Patterns of urban development across the United States are changing natural landscapes and their dynamics. Although scholars in landscape ecology are increasingly studying the relationship between urb...
CONTRAST BETWEEN LIGHT AND SOUND WAVELENGTHS PERCEIVED BY HUMANS
electromagnetic acoustic waves perceived visible light wavelengths correlated
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2015/7/28
A quantitative interrelation between the physical parameters of electromagnetic and acoustic waves perceived by the sight and hearing organs of a human has been discovered. It is shown that visible li...
New Approaches to Analyze Sound Barrier Effectiveness
Analyze Sound Barrier Effectiveness
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2015/1/20
Highway noise can cause annoyance, affect sleep patterns, and reduce the property value for people in the proximity. Current methods for analyzing the effectiveness of sound barriers only take loudnes...
UBISOUND: DESIGN A USER GENERATED MODEL IN UBIQUITOUS GEOSPATIAL INFORMATION ENVIRONMENT FOR SOUND MAPPING
Ubiquitous GIS VGI Spatial Analysis Sound Mapping Context Awareness Risk Assessment
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2014/12/1
In this paper, we study how mobile computing and wireless technologies can be explored to provide effective ubiquitous GIS services. Instead of reinventing the wheels, we make use of smartphones, off-...
Making Sense of Sound: Unsupervised Topic Segmentation over Acoustic Input
Making Sense of Sound Unsupervised Topic Segmentation over Acoustic Input
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2014/11/27
We address the task of unsupervised topic segmentation of speech data operating over raw acoustic information. In contrast to existing algorithms for topic segmentation of speech, our approach does no...
Population Size, Habitat Use and Diet of Kittlitz's Murrelets in Prince William Sound, Alaska
seabird habitat use temperature-depth profile foraging ecology
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2014/11/26
During the summer of 2008 and 2009, we studied the ecology of the Kittlitz’s Murrelet (Brachyramphus brevirostris), a small diving seabird and candidate for the U.S. Endangered Species List, in Prince...
ASSESSMENT OF SEA ICE FREEBOARD AND THICKNESS IN MCMURDO SOUND, ANTARCTICA, DERIVED BY GROUND VALIDATED SATELLITE ALTIMETER DATA
ICESat sea ice freeboard McMurdo Sound remote sensing, lidar
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2014/4/30
This investigation employs the use of ICESat to derive freeboard measurements in McMurdo Sound in the western Ross Sea, Antarctica, for the time period 2003-2009. Methods closely follow those previous...
A State Estimation Method for Sound Environment System with Unknown Observation Mechanism by Introducing Fuzzy Inference
State Estimation Sound Environment System Unknown Observation Mechanism Fuzzy Inference
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2013/1/28
The observed phenomena in real sound environment system often contain uncertainty such as the additional external noise with unknown statistics. Furthermore, there is complex nonlinear relationship be...
Lessons learnt from a crisis event: How to foster a sound safety culture
Safety culture Improvement activities In dept analysis Lessons learnt Crisis event
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2012/3/23
Recent events in the nuclear industry have blamed a declining safety culture both on the utility and regulatory side as the major responsible. Confidence in the nuclear industry can be dramatically af...
Lessons learnt from a crisis event: How to foster a sound safety culture
Safety culture Improvement activities In dept analysis Lessons learnt Crisis event
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2012/3/20
Recent events in the nuclear industry have blamed a declining safety culture both on the utility and regulatory side as the major responsible. Confidence in the nuclear industry can be dramatically af...
Determining Weight and Moisture Properties of Sound and Fusarium-Damaged Single Wheat Kernels by Near-Infrared Spectroscopy
Determining Weight Moisture Properties Sound and Fusarium-Damaged Single Wheat Kernels Near-Infrared Spectroscopy
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2014/5/23
Single kernel moisture content (MC) is important in the measurement of other quality traits in single kernels because many traits are expressed on a dry weight basis. MC also affects viability, storag...
基于神经网络的车辆排气噪声声音品质预测技术（Sound Quality Prediction of Vehicle Exhaust Noise Based on Neural Network）
车辆 声音品质 排气噪声 神经网络
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2010/12/29
通过评审团成对比较法测试得到18种车辆排气噪声的满意度评价，考察并选取响度、尖锐度、粗糙度、波动度和峭度作为描述车辆排气噪声声音品质的客观心理声学参数，使用BP神经网络理论建立车辆排气噪声声音品质神经网络预测模型，对排气噪声样本的满意度进行预测，并与使用多元线性回归模型所得的预测值进行了比较。结果表明，神经网络模型预测值更接近实测值，误差在10%范围以内，对于单一噪声样本满意度的预测精度高于多元线...