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- W2360223398 abstract "A signal generator,used for exciting ultrasonic guided waves in pipeline is designed based on STM32 and FPGA.The excitation source consists of STM32,FPGA,D/A conversion circuit and a low pass filter circuit.Based on DDS,the design method of DDS module is elaborated.STM32 and FPGA interface circuit,D/A conversion circuit and the filter circuit are designed.STM32 is the central processor and primarily responsible for transmitting frequency control word.FPGA is mainly used to generate DDS waveform.The output data of FPGA are converted by a D/A,then go through low-pass filter,to get the needed signal.The experiment results show that the output signal is low noise,high precision and the frequency can be set as required.It can be conveniently used to ultrasonic guided wave detection in pipeline." @default.
- W2360223398 created "2016-06-24" @default.
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- W2360223398 date "2013-01-01" @default.
- W2360223398 modified "2023-09-28" @default.
- W2360223398 title "Design of Excitation Source Circuit for Guided Waves Based on STM32 and FPGA" @default.
- W2360223398 hasPublicationYear "2013" @default.
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