N-ary code

N-ary code

In telecommunication, a "n" -ary code is a code that has "n" significant conditions, where n is a positive integer greater than 1. The integer substituted for "n" indicates the specific number of significant conditions, "i.e.", quantization states, in the code. For example, an 8-ary code has eight significant conditions and can convey three bits per code symbol. A prefix that indicates an integer, "e.g.", "bin", "tern," or "quatern", may be used in lieu of a numeral, to produce "binary," "ternary", or "quaternary" (2, 3, and 4 states respectively).

Source: from Federal Standard 1037C and from MIL-STD-188


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