In this paper, details on the techniques used towards analyzing the acoustic signals generated by Red Palm Weevil RPW are presented. Besides, the acoustic signals generated by RPW in the palm and in the laboratory have been taken for this analysis. This paper describes in detail the great significance pertaining to the analysis of acoustic signals of red palm weevil recorded. The spectrum obtained for RPW is stored for analysis. The frequency in Hz and sound level in dB for both signals are determined. The frequencies are also of low range. Adequate number of spectrum has been displayed for easy understanding. Movement of RPW signal could not be compared with that of the eating and biting signature since no evenness existed for evaluation.
Red Palm Weevil is a deadly pest on palms. It destroys thousands of palms every year by feeding on the soft tissues of palm trunk which are less than 15-20 years. The productivity decreases resulting in huge loss. There is no accurate or exact solution to destroy this infestation in the early stages. Hence there arises a technology to identify the presence of RPW along with its larva by sensing its sound. To achieve this task, we need to devise an acoustic sensor so that defected trees can be easily picked up and proper measures can be engaged to destroy the pest. This technology depends on the acoustic emissions from pests. Clustering is also done on input data recorded which gives similarity measures between two signals. The Euclidean distance for the least significant output with the database will match and help in identifying the insect species.
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