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.
Acrylic vs Latex Paint. Acrylic and latex paint are somewhat similar as they are produced from acrylic resin. Once the acrylic and latex paints were produced, it replaced oil and alkyd paints. Though both paints are similar in some respects, they have many differences between them. When latex paint is more used for painting homes or other structures, acrylic is mainly used in artwork. Latex paint is available everywhere, and you can buy them from any hardware store or paint shop.