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http://dx.doi.org/10.15207/JKCS.2017.8.7.001

Design of Wideband RF Frequency Measurement System with EP2AGX FPGA  

Lim, Joong-Soo (Division of Information Communication, Baekseok University)
Publication Information
Journal of the Korea Convergence Society / v.8, no.7, 2017 , pp. 1-6 More about this Journal
Abstract
This paper presents the design of a frequency measurement device using ADC, EP2AGX FPGA and STM32 processor to accurately measure the frequency of a broadband high frequency signal. The ADC device used in this paper has a sampling frequency of 250 MSPS and a processing frequency bandwidth of 100 MHz. Due to its high sampling frequency, it is difficult to process in ordinary computers or processors, so we implemented the frequency measurement algorithm using the Altra EP2AGX FPGA. The measured frequency is sent to the direction detection controller in real time and fused with the phase signal to calculate the incident azimuth angle of the high frequency signal. The designed frequency measurement device is about 0.2 Mhz in frequency measurement error and 30% less than Anaren DFD-x, which is considered to contribute greatly to the design of radio monitoring and direction detection device.
Keywords
Radio frequency; Convergence; Sensor; Direction finding; Frequency;
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Times Cited By KSCI : 8  (Citation Analysis)
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