4. The time chart for two direction control traffic lights is shown below; write a PLC ladder program to achieve that. Use any type of timer instructions ( Red=north/south Green=north/south Amber=north/south Green=east/west Amber=east/west Red=east/west 25s 5s 25s 5s

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Fast Fourier Transform Concepts

The algorithm used to convert a sequence to its Discrete Fourier transform (DFT) is known as the Fast Fourier transform. It can be used for both DFT and IDFT (Inverse DFT) transformation.