2.6.1.8 Fourier integral
Condition: Represent as a Fourier integral a function defined on the interval \( (0,+\infty) \), extending it to the entire number line in an even and odd way. \[ y=\left\{\begin{array}{cl} 3-5 x, & 0\frac{3}{5} \end{array}\right. \]
Finding the Fourier image, calculating Fourier integrals of various functions, using rectangular and triangle unit pulses.