Method for monitoring a vicinity using several acoustic sensors
An acoustic sensor and monitoring environment technology, which is applied in the direction of instruments, alarms, anti-theft alarms, etc., can solve the problem of low quality of status recognition, and achieve the effect of improving status recognition, effective self-organization and configuration
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[0022] In order to monitor the environment, the figure 1 In this exemplary embodiment, a sensor network with a plurality of sensors is provided, wherein sensors 1 , 2 , 3 and 4 are reproduced by way of example. Each of the sensors comprises a detection unit for detecting acoustic signals in the form of a microphone 5 and a corresponding analog-to-digital converter 6, which converts the signal detected in analog form via the microphone into a digitized Signal. The digitized signals are processed by a microprocessor 7 , wherein the microprocessor also takes into account the signals of other adjacent sensors during processing, as will be explained in more detail below.
[0023] The individual sensors 1 to 4 communicate with one another wirelessly, wherein for this purpose each sensor has a corresponding radio module which receives or transmits signals wirelessly via a schematically shown antenna 9 . Overall, the sensors form a decentralized network N, which is schematically rep...
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