How to ID insects: wings beetle true bug grasshopper earwig © Marlin E. Rice © Marlin E. Rice L. Jesse wasp butterfly fly The wings are one of the main features that allow us to categorize different types of insects. This is important because often we can tell a lot about the in...
These are only a few of the symmetry rules: The Fourier Transform of a real even signal is real and even (i.e. it's symmetrical, mirrored around the y-axis) The Fourier Transform of a real odd signal is imaginary and odd (odd means it's assymetrical, mirrored around the origin point...