One of the applications of the FMCW systems is to measure the exact height of landing aircrafts. In addition, they are used in early-warning radar systems, and in proximity sensors. The advantage of using these radar signals is that the velocity and range of target can be quickly calculated using Fast Fourier Transforms (FFT). Taking the row-wise FFT of the signal matrix gives range information in form of range bins. Then taking column-wise FFT enables displaying the velocity for each range bin. The 3-dimensional graph of the resulting matrix gives a signal power plot with respect to both the range bin numbers, and their velocity. The FMCW radar system signals can be generated by simulation method and investigated in a classroom setting. The assessment of the project is in progress.

Application of fast Fourier transforms on frequency-modulated continuous-wave radars

245th National Meeting (2013)

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