term frequency
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Frequency shift — In the physical sciences and in telecommunication, the term frequency shift has the following meanings: * Any change in frequency * A Doppler shift * Any change in the frequency of a radio transmitter or oscillator. (Note: In the radio regime,… … Wikipedia
Frequency estimation — This article is about the technique in signal processing. The term frequency estimation can also refer to probability estimation. Frequency estimation is the process of estimating the complex frequency components of a signal in the presence of… … Wikipedia
Frequency frogging — In telecommunication, the term frequency frogging has the following meanings: 1. The interchanging of the frequencies of carrier channels to accomplish specific purposes, such as to prevent feedback and oscillation, to reduce crosstalk, and to… … Wikipedia
Frequency averaging — In telecommunication, the term frequency averaging has the following meanings: #The process by which the relative phases of precision clocks are compared for the purpose of defining a single time standard. #A process in which network… … Wikipedia
Frequency compatibility — In telecommunication, the term frequency compatibility has the following meanings: 1. Of an electronic device, the extent to which it will operate at its designed performance level in its intended operational environment (including the presence… … Wikipedia
Frequency-dependent selection — is the term given to an evolutionary process where the fitness of a phenotype is dependent on its frequency relative to other phenotypes in a given population. In positive frequency dependent selection (or purifying frequency dependent selection) … Wikipedia
Frequency (disambiguation) — Frequency refers to how often an event occurs within a period of time.It may also refer to: General * Audio frequency, a periodic vibration whose frequency is audible to the average human. * Statistical frequency, the number of times an event… … Wikipedia
Frequency dependent selection — is the term given to an evolutionary process where the fitness of a phenotype is dependent on its frequency relative to other phenotypes in a given population. In positive frequency dependent selection, the fitness of a phenotype increases as it… … Wikipedia
Frequency deviation — (Δf) is used in FM radio to describe the maximum instantaneous difference between an FM modulated frequency and the nominal carrier frequency. The term is sometimes mistakenly used as synonymous with frequency drift, which is an unintended offset … Wikipedia
Frequency of optimum transmission — Frequency of optimum transmission, in the transmission of radio waves via ionospheric reflection, is the highest effective (i.e. working) frequency that is predicted to be usable for a specified path and time for 90% of the days of the month. It… … Wikipedia
Frequency separation — is a term used in Helio and Asteroseismology for the spacing in frequency between adjacent modes of oscillation having the same angular degree (l) but different radial order (n).For a sun like star the frequency can be further described using the … Wikipedia
