The Revelle Hydrographic Doppler Sonar System: Transducer, Electronics, and Signal Processing Upgrades

这个奖项授予加利福尼亚州斯克里普斯海洋研究所，为R/V Revelle上安装改进的换能器和开发改进的水文多普勒声纳系统软件提供支持。R/V Revelle是一艘研究船，由斯克里普斯海洋研究所运营，是大学-国家海洋实验室系统(UNLS)学术研究船队的一部分。具体地说，该项目将使用以前开发工作中实现的设计来取代50 kHz声纳剩余的两个原始换能器阵列。预计这将大大改善S/北区的情况，并提高可靠性和减少维护。该奖项还将更换当前系统中过时的I/O板，用已经为50 kHz系统实施的新设计取代140 kHz系统的声纳接收器，并实施新的先进多普勒处理算法，以努力减少船体混响和旁瓣造成的信号污染。HDSS将继续作为R/V Revelle用户可用的标准仪器阵列的一部分运行，预计在2005年和未来几年将为使用该船进行海洋研究的科学家带来实质性的好处。广泛影响：作为该项目的一部分，PI将建立一个公共网站，与其他研究人员共享换能器硬件设计和新的宽带多普勒处理算法，并将这些受版权保护的算法提供给商业制造商。

0453143PinkelThis award to Scripps Institution of Oceanography in California provides support for the installation of improved transducers and development of improved software for the Hydrographic Doppler Sonar System aboard R/V Revelle, a research vessel operated by Scripps Institution of Oceanography as part of the University-National Oceanographic Laboratory System (UNOLS) academic research fleet. Specifically, the project will use the design implemented in a previous development effort to replace the two remaining original transducer arrays of the50 kHz sonar. This is expected to provide significant improvement in S/N, as well as increased reliability and reduced maintenance. The award will also replace outdated I/O boards in the current system, replace the sonar receivers of the 140 kHz system with a new design already implemented for the 50 kHz system, and implement new advanced Doppler processing algorithms in an effort to reduce signal contamination from hull reverberation and side lobes. The HDSS will continue to be operated as part of the standard array of instruments available to users of R/V Revelle, and it is expected to be of substantial advantage to scientists using the vessel in their oceanographic research during 2005 and future years.Broader impacts: As part of the project, a public web site will be established by the PI to share transducer hardware designs and new broadband Doppler processing algorithms with other researchers, and to make these copyrighted algorithms available to commercial manufacturers.***