Development of a Real-Time DVOR Modulation Signal Monitoring System Using Arduino Uno and a Python-Based GUI
[Pengembangan Sistem Monitoring Sinyal Modulasi DVOR Secara Real-Time Menggunakan Arduino Uno dan GUI Berbasis Python]
DOI:
https://doi.org/10.21070/ups.12367Keywords:
Arduino Uno, PyQt5, signal modulation, Real-Time Monitoring, DVORAbstract
This study develops a real-time monitoring system for DVOR MARU 220 modulation signals using an Arduino Uno and a Python graphical user interface (GUI). The system is designed to acquire and visualize modulation signals at three target frequencies: 30 Hz, 720 Hz, and 1020 Hz. Signal data are acquired using the Arduino Uno and transmitted to a Python GUI developed with PyQt5 for real-time waveform visualization and parameter display. System testing is conducted by comparing the displayed frequencies and waveform characteristics with measurements obtained from an oscilloscope. The results show that the system can display the three target frequencies in real time with consistent frequency and amplitude characteristics. Differences in waveform detail are observed due to limitations in Arduino sampling and GUI rendering. Overall, the system provides a low-cost solution for preliminary monitoring and identification of DVOR modulation signals to support routine inspection and maintenance of aviation navigation equipment.
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