Digital Filters Some 200 superb photographs —

Some 200 superb photographs — in long shots and close-ups — capture exquisite interiors of world’s great "floating palaces" — 1890s to 1980s: Titanic

The great anthropologist's classic treatise on race and culture

Linear Congruences

and the text traces their similarity and significance to the symbolism found in religious paintings

Digital Filters Some 200 superb photographs —Digital signals occur in an increasing number of applications: in telephone communications; in radio, television, and stereo sound systems; and in spacecraft transmissions, to name just a few. This introductory text examines digital filtering, the processes of smoothing, predicting, differentiating, integrating, and separating signals, as well as the removal of noise from a signal. The processes bear particular relevance to computer applications, one