MeLa: A Programming Language for a New Multidisciplinary Oceanographic Float

Sébastien Bonnieux

doi:10.3390/s20216081

MeLa: A Programming Language for a New Multidisciplinary Oceanographic Float

2020-10-26

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Mireille Blay–Fornarino

DOI：10.3390/s20216081

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At 2000 m depth in the oceans, one can hear biological, seismological, meteorological, and anthropogenic activity. Acoustic monitoring of the oceans at a global scale and over long periods of time could bring important information for various sciences. The Argo project monitors the physical properties of the oceans with autonomous floats, some of which are also equipped with a hydrophone. These have a limited transmission bandwidth requiring acoustic data to be processed on board. However, developing signal processing algorithms for these instruments requires one to be an expert in embedded software. To reduce the need of such expertise, we have developed a programming language, called MeLa. The language hides several aspects of embedded software with specialized programming concepts. It uses models to compute energy consumption, processor usage, and data transmission costs early during the development of applications; this helps to choose a strategy of data processing that has a minimum impact on performances. Simulations on a computer allow for verifying the performance of the algorithms before their deployment on the instrument. We have implemented a seismic P wave detection and a blue whales D call detection algorithm with the MeLa language to show its capabilities. These are the first efforts toward multidisciplinary monitoring of the oceans, which can extend beyond acoustic applications.

Keywords:

acoustic monitoring

oceanography

Model Driven Engineering

Model Based Programming

Domain Specific Language

embedded system

embedded software

Digital Signal Processing

MeLa: A Programming Language for a New Multidisciplinary Oceanographic Float

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