frequency standard
61Standard test tone — Test Tones In telecommunication, a standard test tone is a single frequency signal with a standardized level generally used for level alignment of single links and of links in tandem. Note: For standardized test signal levels and frequencies, see …
62standard deviation — noun Date: 1894 1. a measure of the dispersion of a frequency distribution that is the square root of the arithmetic mean of the squares of the deviation of each of the class frequencies from the arithmetic mean of the frequency distribution;… …
63Frequency Division Duplex — Mit Duplex (Vollduplex), Halbduplex oder Simplex bezeichnet man in der Kommunikationstechnik die Richtungsabhängigkeit von Kommunikationskanälen. Simplex (SX) ist der gerichtete Betrieb. Das bedeutet ein Informationstransfer findet nur in eine… …
64Frequency Hopping Spread Spectrum — Diagramm Frequenzsprungverfahren Frequency Hopping Spread Spectrum (FHSS) ist ein von George Antheil und Hedy Lamarr erfundenes Frequenzspreizverfahren für die drahtlose Datenübertragung. Es wird unterteilt in Fast und Slow Hopping. Generell… …
65Frequency-hopping spread spectrum — Pile de protocoles 7.  Application 6.  Présentation 5.  Session 4.  Tr …
66standard deviation — Synonyms and related words: allowance, approximation, deviation, frequency curve, frequency distribution, game theory, imprecision, inaccuracy, inaccurateness, incorrectness, inexactitude, inexactness, laxity, looseness, mathematical probability …
67Frequency — The number of cycles which an alternating current moves through in each second. Standard electric utility frequency in the United States is 60 cycles per second, or 60 Hertz. California Energy Comission. Dictionary of Energy Terms …
68standard deviation — Statistics. a measure of dispersion in a frequency distribution, equal to the square root of the mean of the squares of the deviations from the arithmetic mean of the distribution. [1920 25] * * * ▪ statistics in statistics, a measure of… …
69frequency distribution — (in statistics) presentation of the characteristics (variables) of a series of individuals (e.g. their heights, weights, or blood pressures) in tabular form or as a histogram (bar chart) so as to indicate the proportion of the series that have… …
70standard deviation — stand′ard devia′tion n. Statistics. sta a measure of dispersion in a frequency distribution, equal to the square root of the mean of the squares of the deviations from the arithmetic mean of the distribution …
