2012 Oceans最新文献_第3页

Grazing angle dependence of IR radiance of the Hudson river 哈德逊河红外辐射与掠射角的关系

2012 Oceans Pub Date : 2012-10-01 DOI: 10.1109/OCEANS.2012.6405025

B. Hooper, J. Dugan

引用次数: 0

Improving autonomous underwater vehicle navigation using inter-vehicle ranging 利用航行器间测距改进自主水下航行器导航

2012 Oceans Pub Date : 2012-10-01 DOI: 10.1109/OCEANS.2012.6404994

Jesse Pentzer, E. Wolbrecht

引用次数: 0

Multi-sensor fusion of Electro-Optic and infrared signals for high resolution visible images: Part II 用于高分辨率可见光图像的光电和红外信号多传感器融合:第二部分

2012 Oceans Pub Date : 2012-10-01 DOI: 10.1109/OCEANS.2012.6405013

Xiaopeng Huang, R. Netravali, H. Man, V. Lawrence

{"title":"Multi-sensor fusion of Electro-Optic and infrared signals for high resolution visible images: Part II","authors":"Xiaopeng Huang, R. Netravali, H. Man, V. Lawrence","doi":"10.1109/OCEANS.2012.6405013","DOIUrl":"https://doi.org/10.1109/OCEANS.2012.6405013","url":null,"abstract":"Electro-Optic (EO) image sensors exhibit the properties of high resolution and low noise level, but they cannot reflect information about the temperature of objects and do not work in dark environments. On the other hand, infrared (IR) image sensors exhibit the properties of low resolution and high noise level, but IR images can reflect information about the temperature of objects all the time. Therefore, in this paper, we propose a novel framework to enhance the resolution of EO images using the information (e.g., temperature) from IR images, which helps distinguish temperature variation of objects in the daytime via high-resolution EO images. The proposed novel framework involves four main steps: (1) select target objects with temperature variation in original IR images; (2) fuse original RGB color (EO) images and IR images based on image fusion algorithms; (3) blend the fused images of target objects in proportion with original gray-scale EO images; (4) superimpose the target objects' temperature information onto original EO images via the modified NTSC color space transformation. Therein, the image fusion step will be conducted by the quantitative (Yang et al. proposed adaptive multi-sensor fusion algorithm) approach in this part. Revealing temperature information in EO images for the first time is the most significant contribution of this paper. Simulation results will show the transformed EO images with the targets' temperature information.","PeriodicalId":434023,"journal":{"name":"2012 Oceans","volume":"179 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116437837","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Comparing arctan and maximum likelihood methods for bearing estimation 比较arctan法和极大似然法的方位估计

2012 Oceans Pub Date : 2012-10-01 DOI: 10.1109/OCEANS.2012.6404816

Chunsheng Liu, B. Maranda

引用次数: 0

Design and analysis of an ocean current turbine performance assessment system 海流涡轮性能评估系统的设计与分析

2012 Oceans Pub Date : 2012-10-01 DOI: 10.1109/OCEANS.2012.6405042

James H. VanZwieten, M. Young, K. V. von Ellenrieder

{"title":"Design and analysis of an ocean current turbine performance assessment system","authors":"James H. VanZwieten, M. Young, K. V. von Ellenrieder","doi":"10.1109/OCEANS.2012.6405042","DOIUrl":"https://doi.org/10.1109/OCEANS.2012.6405042","url":null,"abstract":"To quantify the performance of experimental ocean current turbines (OCTs) during offshore testing, important performance metrics are presented along with a proposed sensor suite and the mathematical relationships that can be used to calculate them. A numerical simulation of an OCT and numeric models of the selected sensors are utilized to synthesize measurements which are used to calculate relative free stream flow velocity, electric power output, total system efficiency, shaft power, and rotor efficiency. By evaluating the calculated performance metrics, both with and without sensor limitations, the impact of the sensor limitations on the calculated performance metrics are evaluated. The impact of averaging times on the repeatability of performance calculations are also evaluated for several operating conditions to guide offshore testing requirements. It is found that for a 2 m significant wave height the selected sensor system increases the standard deviation of the calculated performance metrics for 1 min averages and an operating depth of 10 m by 5-20%. For a depth of 20 m the OCT performance is more consistent and the sensors increase the variability of the calculated performance metrics by between 30-50% for 1 min averages. For the same significant wave height and a depth of 10 m the standard deviation of the 1 min averaged sensor measured system and rotor efficiencies for are shown to range from 0.9 and 3.3% of their mean value. However this can be decreased to a 0.13 and 0.52% if the operating depth is decreased to 10 m and the averaging time is increased to 10 min.","PeriodicalId":434023,"journal":{"name":"2012 Oceans","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124470432","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 9

Addressing ocean and coastal issues at the West Coast scale through regional ocean observing system collaboration 通过区域海洋观测系统合作解决西海岸尺度的海洋和沿海问题

2012 Oceans Pub Date : 2012-10-01 DOI: 10.1109/OCEANS.2012.6404937

J. Patterson, J. Thomas, L. Rosenfeld, J. Newton, L. Hazard, J. Scianna, R. Kudela, E. Mayorga, C. Cohen, M. Cook, M. Otero, J. Adelaars

引用次数: 7

Next-generation coastal mapping to further the National Ocean Enterprise 下一代海岸测绘以推进国家海洋事业

2012 Oceans Pub Date : 2012-10-01 DOI: 10.1109/OCEANS.2012.6404840

C. Sylvester

{"title":"Next-generation coastal mapping to further the National Ocean Enterprise","authors":"C. Sylvester","doi":"10.1109/OCEANS.2012.6404840","DOIUrl":"https://doi.org/10.1109/OCEANS.2012.6404840","url":null,"abstract":"The U.S. Army Corps of Engineers (USACE), the US Naval Oceanographic Office (NAVO) and the National Oceanic and Atmospheric Administration (NOAA) formed the Joint Airborne Lidar Bathymetry Technical Center of eXpertise (JALBTCX) in 1998 under a collaborative agreement to support coastal mapping and charting requirements at their respective agencies. The two-decade legacy of the JALBTCX includes the development of state-of-the-art remote sensing platforms in coordination with industry and academia. The Coastal Zone Mapping and Imaging Lidar (CZMIL) is the Center's next-generation remote sensing technology initiative. Fielded and operated by the (USACE), it provides advanced coastal mapping capabilities and environmental information products to researchers, engineers and decision makers in government and academia. Previous technology initiatives of the JALBTCX produced the Scanning Hydrographic Operational Airborne Lidar Survey (SHOALS) system and the Compact Hydrographic Airborne Rapid Total Survey (CHARTS) system. The third-generation CZMIL system builds upon these initiatives by integrating state-of-the-art laser, receiver, scanner, and imaging hardware with a custom data processing package to facilitate efficient field-to-finish survey operations. This paper compares CZMIL data coverage acquired along the West Ship Island, MS to previous coverage acquired with JALBTCX's SHOALS and CHARTS systems. The comparison demonstrates CZMIL's system performance in shallow, turbid coastal environments where the capabilities of legacy systems were limited by water clarity. CZMIL data supports the development of traditional and innovative information products to address regional environmental challenges. Accessible via web services a consumable and understandable form, the products provide critical, baseline ocean information layers that are required to achieve a conceptual National Ocean Enterprise.","PeriodicalId":434023,"journal":{"name":"2012 Oceans","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124080227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Capacity criterion-based power allocation for OFDM cooperative underwater acoustic communications with limited feedback 基于容量准则的OFDM有限反馈协同水声通信功率分配

2012 Oceans Pub Date : 2012-10-01 DOI: 10.1109/OCEANS.2012.6404796

Xiaopeng Huang, Yong Liu

引用次数: 8

Estimation of wind turbine radar signature at 13.5 MHz 估计13.5兆赫的风力涡轮机雷达特征

2012 Oceans Pub Date : 2012-10-01 DOI: 10.1109/OCEANS.2012.6404871

C. Teague, D. Barrick

引用次数: 5

Direct drive ocean wave energy electric plant design methodology 直接驱动海浪能发电厂的设计方法

2012 Oceans Pub Date : 2012-10-01 DOI: 10.1109/OCEANS.2012.6405097

J. Prudell, A. Schacher, K. Rhinefrank

引用次数: 4