Reach (advertising) — In the application of statistics to advertising and media analysis, reach is defined as the size of the audience who listen to, read, view or otherwise access a particular work in a given period. Reach may be stated either as an absolute number,… … Wikipedia
Frequency coordination — is a technical and regulatory process which is intended to remove or mitigate radio frequency interference between different radio systems which utilise the same operational frequency.Normally frequency coordination is undertaken by… … Wikipedia
Frequency — For other uses, see Frequency (disambiguation). Three cyclically flashing lights, from lowest frequency (top) to highest frequency (bottom). f is the frequency in hertz (Hz), meaning the number of cycles per second. T is the period in seconds (s) … Wikipedia
Frequency comb — A frequency comb is the graphic representation of the spectrum of a mode locked laser. An octave spanning comb can be used for mapping radio frequencies into the optical frequency range or it can be used to steer a piezoelectric mirror within a… … Wikipedia
Media and Publishing — ▪ 2007 Introduction The Frankfurt Book Fair enjoyed a record number of exhibitors, and the distribution of free newspapers surged. TV broadcasters experimented with ways of engaging their audience via the Internet; mobile TV grew; magazine… … Universalium
Computers and Information Systems — ▪ 2009 Introduction Smartphone: The New Computer. The market for the smartphone in reality a handheld computer for Web browsing, e mail, music, and video that was integrated with a cellular telephone continued to grow in 2008. According to… … Universalium
Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… … Universalium
Global Frequency — Infobox comic book title title = Global Frequency imagesize=200 caption = Cover of Global Frequency #1, by Brian Wood schedule = format = limited =y publisher = Wildstorm date = 2002–2003 issues = 12 issues main char team = Miranda Zero Aleph… … Wikipedia
Race and health — research is mostly from the United States. It has found both current and historical racial differences in the frequency, treatments, and availability of treatments for several diseases. This can add up to significant group differences in… … Wikipedia
American and British English differences — For the Wikipedia editing policy on use of regional variants in Wikipedia, see Wikipedia:Manual of style#National varieties of English. This is one of a series of articles about the differences between British English and American English, which … Wikipedia
Risks to civilization, humans and planet Earth — This article is about the near and very far future. For past civilizations, see Societal collapse. Contents 1 Types of risks 2 Future scenarios 2.1 … Wikipedia