Troposphere, Ionosphere, GPS, and Interferometric Radar (TIGIR) Workshop Proposal; Sepember 21-22, 2009 in Pasadena, CA

PI将召开一次讲习班，将合成孔径雷达和全球导航卫星系统、数据处理及其产生的产品方面的专家和技术人员聚集在一起。研讨会将审查各种不同的方法，已经制定了了解和减轻大气？噪音？在合成孔径雷达信号，并建立目前的最佳做法，在大气层成像和缓解技术，产生优先事项，为进一步的调查，并建议即将到来的任务，如何最大限度地利用他们将产生的数据产品。电离层和对流层成像使用合成孔径雷达和全球导航卫星系统和随机和确定性建模有很大的潜力，纠正介质对空间大地测量系统的影响，但是，虽然这些方法中有许多在特定情况下已显示出希望，但其有效性和普遍适用性尚待证明。小振幅、非线性和非周期性的地面运动信号在大地测量学中来自广泛的来源，而干涉合成孔径雷达为我们提供了对这些类型的物理现象的新见解。然而，对于我们可能希望探索的宽频谱信号，电离层和对流层在SAR信号中引起的延迟叠加并混淆了干涉图的解释。这次研讨会是多学科的，汇集了大气和固体地球研究人员，操作中心和技术专家，以找到方法来理解和减轻大气层对新的卫星SAR系统的影响。研究SAR和GPS的应用，这个研讨会提供了一个很好的场所，让学生参与。将从联刚特派团和中非共和国大学的学生中招募两名学生和一名职业研究员？sRESESS和SOARS暑期实习计划。这两个项目已经合作多年，为来自代表性不足群体的学生提供研究机会。此外，会后将编写一份关于讲习班成果和结果的讲习班报告以及关于即将开展的搜救任务的建议说明，并通过联合国志愿人员组织网站传播。

The PIs will convene a workshop to bring together experts and stake-holders insynthetic aperture radar and GNSS systems, the data processing and the products theygenerate. The workshop will examine the wide range of different approaches that havebeen developed to understand and mitigate the atmospheric ?noise? in SAR signals, andestablish the current best-practices in atmospheric imaging and mitigation techniques,generate priorities for further investigations, and recommendations for upcomingmissions for how best to maximize the utility of the data products they will produce.Ionospheric and tropospheric imaging using SAR and GNSS and stochastic anddeterministic modeling have great potential for correcting media effects on spacegeodetic systems, however, although many of these approaches have shown promise inparticular circumstances, effectiveness and general applicability are yet to bedemonstrated. Small amplitude, non-linear and non-periodic ground motion signalsabound in geodesy from a wide range of sources, and InSAR holds great promise forgiving us new insights into these types of physical phenomena. For a wide spectrum ofthe signals we might hope to explore, however, the delays induced in the SAR signals bythe ionosphere and the troposphere overprint and confuse the interpretation ofinterferograms.This workshop is multi-disciplinary bringing together atmosphericand solid earth researchers, operational centers and technologists to find ways tounderstand and mitigate the effects of the atmosphere on new satellite SAR systems.Coupled with the compelling hazards research applications of SAR and GPS, thisworkshop provides an excellent venue to engage students. Two students and one careerresearcher will be recruited from a pool of protégés from UNAVCO and UCAR?sRESESS and SOARS summer internship program. These two programs have operated inpartnership for many years providing research opportunities for students fromunderrepresented groups. In addition, a workshop report of the results and outcomes ofthe workshop and statement of recommendations for upcoming SAR missions will begenerated after the meeting and disseminated via the UNAVCO website.