Radio Frequency Detection in Hardware

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Presentation transcript:

Radio Frequency Detection in Hardware Haozhong Guan, Kevin Kim PI - Prof Lara Waldrop Mentors - Benjamin Eng, Gonzalo Cucho, Yamuna Phal

Introduction & Motivation Radio Frequency Signal 3kHz - 300GHz (Telecommunication , GPS, Wifi, Radar Signal) Radio Frequency Interference Degrading signal quality. How to find interference (RF Energy) Arecibo Radar 430MHz, L band (1GHz - 2GHz)

Software Defined Radio(SDR) Hardware is needed for the RF front end, ADC(Analog to Digital Converter) and DAC(Digital to Analog Converter) Radio Receiver Why RTL2832U? Low Cost $15 Frequency range (24kHz - 1766 MHz)

How to collect the data? Use SDR to get the radio frequency signal Use Gqrx SDR to find the interested frequency Collect data using SDR Open the collected data in any data processing software, like Matlab Plot the Fourier Transform and analyse the data

Summary Tasks implemented Selecting SDR meeting technical specifications Acquiring Data using SDR Applying FFT to raw data using MATLAB Future work We are going to implement an algorithm on the SDR in real time detection GNU radio Python