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Research Article Open Access
Direction of Arrival Estimation and monitoring the animals is one of the crucial examine focuses in our Acoustic Sensor Network. Using hyperbolic circular array the elephant vocalization Direction of Arrival is estimated with various external factors affecting Non-Line of Sight areas. In our experimental analysis each acoustic microphone array are seperated by 0.5M(mts) and circularly sensed the acoustic signal by 3Kms and each sensor node deployed circularly 360o deg by TOP, BOTTOM, LEFT, RIGHT hyperbolic arrangement. The sensor hardware circuit audio recording and playback using Atmega Microcontroller Schematic Arduino On-Board Interfaces are supported for recording elephant signals are illustrated with its pin diagrams in the following chapters. The experimental results focus on analysis of signal receiving from base station and estimation of random error difference.
Acoustic Sensor, Atmega Microcontroller , Base station, Hyperbolic Circular Array, random error., Signal Transduction,Cell Signal