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- W2391493420 abstract "In view of the issues of the expensive price,big volume and inconvenient use of the traditional frequency characteristic tester,a sinusoidal signal frequency characteristic tester based on DDS and FPGA is proposed in this paper. The tester consists of a signal source module,frequency and phase detection module,data processing and control module,and display module. In the design of this tester,FPGA is used to control the chip DDS to generate two mutually orthogonal signals,which is multiplied with the measured signal for the detection of frequency,amplitude and phase of the measured signal through filter. The parameters of the signal are finally displayed by the display module. The experimental results show that the design of the frequency characteristic testing instrument is correct and feasible,has the advantages of simple hardware structure,small size and light weight,can be widely applied to the measurement of sinusoidal signals,and has high application value." @default.
- W2391493420 created "2016-06-24" @default.
- W2391493420 creator A5051629728 @default.
- W2391493420 date "2014-01-01" @default.
- W2391493420 modified "2023-09-25" @default.
- W2391493420 title "Frequency characteristic tester based on DDS and FPGA" @default.
- W2391493420 hasPublicationYear "2014" @default.
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