{"title":"海洋表面的δk激光雷达探测","authors":"A. Palmer, J. Churnside","doi":"10.1109/OCEANS.1992.612745","DOIUrl":null,"url":null,"abstract":"Ak-lidar is a new remote sensing method for the ocean surface that is capable of measuring directional wave spectra from wavelengths of a few millimeters to over a meter and surface currents with accuracies of better than 5 cm/sec and spatial resolutions less than 10 meters. Ak-lidar is analogous to Ak-radar [l] but has several advantages over Ak-radar. Among the most important of these is a large increase in signal-noise-ratio (SNR) under conltions where speckle (referred to as clutter for Ak-radar) dominates the noise background. This is due to the ability of Ak-lidar to average many speckle correlation zones over the receiving aperture. Ak-lidar also has finer spatial and temporal resolution of surface waves than Ak-radar and is potentially a more compact system. This paper summarizes the basic theory for Ak-lidar and describes the first laboratory demonstration of the method.","PeriodicalId":158109,"journal":{"name":"OCEANS 92 Proceedings@m_Mastering the Oceans Through Technology","volume":"21 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1992-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"δk-lidar sensing of the ocean surface\",\"authors\":\"A. Palmer, J. Churnside\",\"doi\":\"10.1109/OCEANS.1992.612745\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Ak-lidar is a new remote sensing method for the ocean surface that is capable of measuring directional wave spectra from wavelengths of a few millimeters to over a meter and surface currents with accuracies of better than 5 cm/sec and spatial resolutions less than 10 meters. Ak-lidar is analogous to Ak-radar [l] but has several advantages over Ak-radar. Among the most important of these is a large increase in signal-noise-ratio (SNR) under conltions where speckle (referred to as clutter for Ak-radar) dominates the noise background. This is due to the ability of Ak-lidar to average many speckle correlation zones over the receiving aperture. Ak-lidar also has finer spatial and temporal resolution of surface waves than Ak-radar and is potentially a more compact system. This paper summarizes the basic theory for Ak-lidar and describes the first laboratory demonstration of the method.\",\"PeriodicalId\":158109,\"journal\":{\"name\":\"OCEANS 92 Proceedings@m_Mastering the Oceans Through Technology\",\"volume\":\"21 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1992-10-26\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"OCEANS 92 Proceedings@m_Mastering the Oceans Through Technology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/OCEANS.1992.612745\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"OCEANS 92 Proceedings@m_Mastering the Oceans Through Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/OCEANS.1992.612745","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Ak-lidar is a new remote sensing method for the ocean surface that is capable of measuring directional wave spectra from wavelengths of a few millimeters to over a meter and surface currents with accuracies of better than 5 cm/sec and spatial resolutions less than 10 meters. Ak-lidar is analogous to Ak-radar [l] but has several advantages over Ak-radar. Among the most important of these is a large increase in signal-noise-ratio (SNR) under conltions where speckle (referred to as clutter for Ak-radar) dominates the noise background. This is due to the ability of Ak-lidar to average many speckle correlation zones over the receiving aperture. Ak-lidar also has finer spatial and temporal resolution of surface waves than Ak-radar and is potentially a more compact system. This paper summarizes the basic theory for Ak-lidar and describes the first laboratory demonstration of the method.
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