Learning how to draw ear and nose in various angles is one of the best ways to improve portrait accuracy and confidence. In ...

Abstract: As complementary to the imaging of primaries, multiples can be used for imaging and produce additional angular illumination. These additional illumination angles can improve imaging ...

Abstract: Accurate position estimation of ground-moving targets is a crucial requirement for any radar-based surveillance system. For a multi-channel airborne radar, the target position on the ground ...

Create a clear water drop drawing that looks so realistic it feels like you could touch it. In this tutorial, you will learn how to draw a transparent water droplet using simple steps that build ...