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.
photorealism. Photorealism is an extremely realistic style of painting and drawing, in which the artwork is based entirely on a photograph. Photorealist art is most appreciated for its huge WOW! factor. People often mistake photorealist paintings for actual photographs.It sometimes takes a second look to realize that the artwork is actually a painting! That's part of the fun-realizing that the image before you is not a photo, but the painstaking work of a dedicated artist.eople often mistake photorealist paintings for actual photographs. It sometimes takes a second look to realize that the artwork is actually a painting! That's part of the fun-realizing that the image before you is not a photo, but the painstaking work of a dedicated artist.