This problem was solved by Dolph in 1946. He derives a method for obtaining weights for uniformly spaced linear arrays steered to broadside (=90 degrees). This is a popular weighting method because the sidelobe level can be specified, and the minimum possible null-null beamwidth is obtained.
â¢ A picture can be anything from a drawing to a painting, to an etching. â¢ All the images that we take without any knowledge in photography and which do not require our photographic talent are known as pictures. Related posts: 1  Difference Between Photo and Photograph. 2  Difference Between Photo and Image. 3  Difference Between Drawing and Painting. 4  Difference Between Artist and Designer.
Best Answer: Hello, Realism and Expressionism are distinctly different artistic styles. In Realism, the artist paints what the normal eye sees, depicting reality in a true-to-life manner, with a documentary style objectivity much like a photograph. Artists who paint in a Realistic style often display great technical skill. By contrast, Expressionism is a subjective style, and reality is interpreted through the emotions of the artist, who seeks to capture an emotion rather than document pure 3-D reality.