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LabVIEW sound spectrum display
4.0
By PC serial port data according to a specific protocol for amplitude and phase spectrum, LabVIEW display receives data received through the serial port and graphics, single receive and automatically receive 2 modes, because using the serial port to transmit data communication speed limit, automatically receive the refresh rate is not less than 300ms. The receiver display program used in FPGA implementation of audio spectrum analysis module, realized by FPGA hardware audio signal's FFT transform, pass data through the serial port to a LabVIEW program.
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