We established in the previous chapter on Fourier analysis that an arbitrary function could be described in terms of simple sine and cosine functions. The mathematics of the sinusoid was developed ...

When working through the theory section of a reference book, you may find that you struggle to make progress in the chapters ...

Now, on to the subject of complex numbers. We have stayed away from this subject until now simply because we did not want to confuse things. Initially, it is easy to think of signals as “real valued.” ...

Master Complex Numbers with Engaging Worksheets! Help your Algebra 2 students conquer multiplying complex numbers with this comprehensive set of worksheets! Perfect for Unit 2 on imaginary and complex ...