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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Morrison, James Christie, David Greenwood, Charles Maciver, Ruairi Vogler, Arne |
| Copyright Year | 2015 |
| Abstract | This paper presents a set of software tools for interrogating and processing time series data. The functionality of this toolset will be demonstrated using data from a specific deployment involving multiple sensors deployed for a specific time period. The approach was developed initially for Datawell Waverider MKII/MKII buoys [1] and expanded to include data from acoustic devices in this case Nortek AWACs. Tools of this nature are important to address a specific lack of features in the sensor manufacturers own tools. It also helps to develop standard approaches for dealing with anomalous data from sensors. These software tools build upon an effective modern interpreted programming language in this case Python which has access to high performance low level libraries. This paper demonstrates the use of these tools applied to a sensor network based on the North West coast of Scotland as described in [2,3]. Examples can be seen of computationally complex data being easily calculated for monthly averages. Analysis down to a wave by wave basis will also be demonstrated form the same source dataset. The tools make use of a flexible data structure called a DataFrame which supports mixed data types, hierarchical and time indexing and is also integrated with modern plotting libraries. This allows sub second querying and the ability for dynamic plotting of large datasets. By using modern compression techniques and file formats it is possible to process datasets which are larger than memory datasets without the need for a traditional relational database. The software library shall be of use to a wide variety of industry involved in offshore engineering along with any scientists interested in the coastal environment. |
| Sponsorship | Ocean, Offshore and Arctic Engineering Division |
| File Format | |
| ISBN | 9780791856550 |
| DOI | 10.1115/OMAE2015-41852 |
| Volume Number | Volume 7: Ocean Engineering |
| Conference Proceedings | ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering |
| Language | English |
| Publisher Date | 2015-05-31 |
| Publisher Place | St. John’s, Newfoundland, Canada |
| Access Restriction | Subscribed |
| Subject Keyword | Compression Computer software Relational databases Time series Computer programming languages Acoustics Waves Buoys Shorelines Indexing (machining) Sensor networks Ocean engineering Sensors |
| Content Type | Text |
| Resource Type | Article |
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