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- W2385584911 abstract "The spectrum analyzer based on DDS is designed.Based on the heterodyne principle,the spectrum analysis can realize a signal frequency range of 1～30MHz.A stable sweep signal is generated by AD9851.The signal which the measured signal and the local signal are mixed in AD835 is amplificed,filtered,and detected.The mixed signal and the sweep signal are input into oscilloscopes X,Y to form a frequency chart.In addition,the identification of AM,FM and amplitude wave sig-nal and the measurement of the center frequency are developed in this system." @default.
- W2385584911 created "2016-06-24" @default.
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- W2385584911 date "2008-01-01" @default.
- W2385584911 modified "2023-09-23" @default.
- W2385584911 title "Design of spectrum analyzer based on DDS" @default.
- W2385584911 hasPublicationYear "2008" @default.
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