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Four-element array of passive acoustic localizatio
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After the analog signal of external sound source is quantized by the A / d7865 collector, the DSP signal processor TMS320F28335 writes the data into the data buffer through the external expansion port xinf for signal detection. After the acoustic signal is detected, the signal is intercepted for correlation processing, and the delay difference of the acoustic signal arriving at each element of the microphone array is estimated. According to the estimated delay difference and the current microphone array attitude The target information can be calculated from the data.
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Azimuth display software for Android platform
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The design of Android platform display software mainly includes three parts: network data receiving, electronic compass animation and data visualization. Android mobile platform is used as the target information display software,
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