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1、seadas seawifs 数据分析系统nasa/goddard space flight center real real applicationapplicationseadas 软件处理 seawifs数据数据 参变量参变量:- 水体辐射亮度- 气溶胶辐射度- 有色物质浓度- 叶绿素浓度- 浅水- 逆向水体辐射亮度- 漫射光- 云或者冰 等等.seadas 软件 用于 seawifs数据数据 avhrr-noaa - venezuela sst = 水体表面温度real real applicationapplicationavhrr - noaa venezuela7envi is

2、ready for terraand in 2001 aqua!modis 也同样服务于海洋学领域modis的36个不同波长通道中包含一些以前从未采集过的数据。这些数据包括大量新的海洋和大气数据信息，而这些信息以前并没有从全球的角度进行过分析处理，它将对所有的研究机构全面开放。 modis的海洋产品包括三大系列：海水颜色、海水表面温度和海洋初级产品。增益后的大气数据将对于海洋信号中的大气校正有着更好的结果。它们将用于调查研究海洋环境、海水循环、海洋生物和包括海水中碳循环的海洋化学。 instantaneous photosynthetically available radiationjuly

3、 2-3, 1998seawifs radiances processed through modis algorithms (k. carder)data acknowledgement: seawifs project & goddard daac, nasa/gsfcprocessing acknowledgement: university of miami/rsmas迈阿密大学的 dr. ed kearns和 dr. bob evans处理的影像 开发海洋学应用的私人公司. 通过gps 定位,用户获得来自海洋的海岸虚拟影像. 也可以配合2d 和多媒体数据使用. 可应用于海上搜

4、救. cetemar -西班牙cetemar - 西班牙vado海洋学数据的可视化及分析海洋学数据的可视化及分析海洋科学研究院 巴塞罗那西班牙real real applicationapplicationvado 计划 能够提供例如温度、盐度等物理参数的数能够提供例如温度、盐度等物理参数的数据库，该数据来自于船用据库，该数据来自于船用ctd剖面仪。剖面仪。 未来计划未来计划: 融入生物地球化学的数据融入生物地球化学的数据 兼容例如锚泊、浮标等其他设备的数据兼容例如锚泊、浮标等其他设备的数据厄尔尼诺现象分析厄尔尼诺现象分析problemneeded up-to-date, accurate i

5、nformation for the national hurricane center and other organizations predicting global weather patternssolutiondata from a geostationary and polar orbiting satellite are collected and twice weekly analyzed with idl programs and produce mapped images of sst (sea surface temp) anomalies benefitnavigat

6、ing safe courses for shipsfishing industry use the reports for where the sought-after fish will most likely befarmers receive long-term predictions to decide on crop rotations, etc. ”idl is the driving force behind our web-based graphics by using it, we quickly get accurate climatory averages at the

7、 desired grid points. chris duda,physical scientistproblemcrseos group mission is collection and analysis of data from space sensors and instruments carried on ships for ocean experimentssolutionenlisted terry figel at the university of california to develop graphical user interfaces that make data

8、easily accessible to scientist at crseofigel recommends idl because of the built-in mapping capabilities and because the scientists needed both numerical and visual solutions to their problems benefiteasy-to-use application that allows the scientists to navigate the large amount of data being collec

9、tedusing fortran: “ there were far too many loops, so idl was much faster.” terry figel,university of california 天气预报应用天气预报应用 (sidas)problemthe sidas application, satellite image display and analysis system, needed to be updated from a competitors software in which the application was originally wri

10、ttencompetitors software was not being enhanced to keep up with the customers needssolutionafwa hired rsis professional services group (psg) to reengineer their (sidas) application using idl afwa purchases site-wide idl licensebenefitsidas application is updated with idls advanced functionality afwa

11、 personnel more productive through the site-wide licensing of idlafwa gathers satellite imagery as well as ground- and air-based observations. they combine this information with numerical forecast modeling into forecast maps that they distribute to the field. 与与rsi公司签署了公司签署了idl license使用协议使用协议 probl

12、emsome members of the research teams were not able to access the needed applications built in idlsolutionnoaa purchases site-wide license benefithigher productivity better communicationslower cost per userlicensing issues eliminated 澳大利亚空间预报中心澳大利亚空间预报中心problemneed to monitor and report on solar acti

13、vity that could potentially cause damage to satellites, and interfere with radio and telephone signalssolutionused idl to read, monitor, analyze, and report data results 24/7 via ips radio web sitebenefitaccurate forecastingtimely reporting damage to satellites minimizedinterference to communication

14、 signals minimizedhf radio target locationhourly updatessolar activity level地理信息分析及环境模拟支持地理数据 具有高分辨率地图数据集 内建19种地图投影 图像可以变换到任意地理坐标地图投影分析orthographic map projection of north and south america as a color shaded relief image三维地形模拟great sand dunes national monument in southern colorado三维漫游飞行卫星轨道分析交互式地形数据

15、可视化交互式地形数据可视化problemgis tools often lack interactive visualization capabilitiescross-platform deployment requiredsolutionbuilt an idl cross-platform, interactive visualization environment called datascaping features include spatial interpolation, detection of “outliers”, and false model assumptions

16、of arc/info data, 3- and 4d representations, dynamic linking of windows, parallel viewing of multiple layers in different scales, and animationbenefitmore accurate analysis without data conversion hassles”idl is a very good environment for easy and complex gui building.eva-marie stephan地中海地区监测海上泄油污染

17、地中海地区监测海上泄油污染problemoil spills threatening marine life ships difficult to identify at nightlack of reports to assess the situation required to use ers radar datasolutioncoast guard uses idl application built by esrin, an arm of the european space agency application utilizes ers radar databenefitcoas

18、t guard can monitor situation 24/7target recognition of ships easily identifiedtimely, accurate reports readily availableidl allows me to perform many of my operations without my manual intervention, which saves me a lot of time. because idl is so powerful, it only takes a few seconds for the image

19、processing to occur. dr. petrocchi, esrinsaving the hubbleproblemhubble telescope malfunctioningsolutioninvestigation definition team selects idl for its fast, accurate assessment of datacompiled several idl applications under one gui interface benefitidls journal mode allowed for numerous scientist

20、 to work interactively with real dataidls cross-platform capability made it possible to efficiently share their work“we saved more than a year of labor over the course of three years by adopting idl over other alternatives as a matter of fact, a colleague of mine has been known to say that with idl

21、you can be productively working on your data after only a couple days exposure to the environment. paul scoweninvestigation definition team member三维数据可视化可视化分析流线分析数学分析对象分析图像、信号处理信号分析earthquake vibration control data displayed with plot时序分析dsto - australia shows all external noise averaged over 24 hou

22、rs with impulsive noise and spikes removed.噪声分析噪声分析dsto - australia shows for at one instant.特定时刻噪声分析特定时刻噪声分析dsto - australia geographic representation of signal return from the backscatter ionospheric sounder, azimuth by range.信号地域分析信号地域分析dsto - australia shows busy, clear and forbidden frequencies

23、 by color, topped by the entire external rf spectrum passively monitored. designed to select suitable radar operating frequencies with regard to noist channels, and civilian commercial and emergency rf bandspace.信号处理信号处理自动矢量化customizable interface built using idls gui toolkitproblemneeded to deploy

24、application on multiple platforms interface must be customizable by userssolutionusing the pc, scientists control the acquisition, processing and analysis of images through a graphical user interface (gui) that was built with idl benefitthe easily configured, flexible interface enables users to rapi

25、dly customize the system (using pull-down menus) to their requirements and therefore focus on looking for better ways to understand tokamak plasmas the ability to define user-parameters and to specify image processing routines allows the support of many types of applicationsfernando meo,centre canad

26、ien de fusion magneticvarennes, quebec“because idl supports such file formats as hdf, jpeg and tiff and is portable across different computer platforms, it makes it possible to acquire, display and store images on the pc then transfer them to the server for archiving. as a result of this portability

27、, image analysis can be done on different platforms. rsi产品用于海洋领域海洋学领域的典型用户 noaa nasa/goddard space flight center ocean surveys, inc. oceanweather inc. bigelow laboratory for ocean sciences woods hole oceanographic inst. ocean research institute of china instituto ciencias del mar de barcelona cefrem, france kordi - korea fisheries and oceans, canada csiro land and water, australia maritime command shore info systems, australiatopex/poseidon 数据时间上的动态模拟real real applicationapplicationfrance - cefrem 海洋环境监测研究中心 被应用于不同方面的几种工具： ctd (conductivity-temperature-depth), 水流计 sediment t