CPC G01N 29/2418 (2013.01) [G01H 9/004 (2013.01); G01N 29/4454 (2013.01); G01N 29/46 (2013.01); G01N 33/0098 (2013.01); A01M 99/00 (2013.01); G01N 33/46 (2013.01); G01N 2291/0238 (2013.01)] | 20 Claims |
1. An optical fiber distributed acoustic sensor (DAS) system for detecting a red palm weevil and/or its larvae inside a tree, the system comprising:
an optical fiber that is configured to be placed next to a tree; and
a DAS box optically connected to the optical fiber and configured to receive a reflected light from the optical fiber,
wherein the DAS box includes electronics that extracts from the reflected light a frequency in a range of [400 Hz, 4 kHz], and sends a message indicating a presence of the red palm weevil and/or its larvae inside the tree.
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