frequency+diversity

См. также в других словарях:

• frequency diversity radars — išskirstytųjų dažnių radarai statusas T sritis radioelektronika atitikmenys: angl. frequency diversity radars vok. Frequenzdiversityradars, n rus. радиолакационные станции с разнесенными рабочими частотами, f pranc. radars en diversité de… …   Radioelektronikos terminų žodynas

• Diversity scheme — Terrestrial microwave radio system with two antenna arrays configured for space diversity In telecommunications, a diversity scheme refers to a method for improving the reliability of a message signal by using two or more communication channels… …   Wikipedia

• Diversity combining — is the technique applied to combine the multiple received signals of a diversity reception device into a single improved signal. Contents 1 Various techniques 2 Switched combining two way radio example 2.1 How signals are evaluated …   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

• Diversity FM — Broadcast area Lancaster Frequency 103.5 MHz Format Community Owner YMCA Website Diversity FM …   Wikipedia

• Orthogonal frequency-division multiple access — Multiplex techniques Circuit mode (constant bandwidth) TDM · FDM · SDM Polarization multiplexing Spatial multiplexing (MIMO) …   Wikipedia

• Cyclic delay diversity — (CDD) is a diversity scheme used in OFDM based telecommunication systems, transforming spatial diversity into frequency diversity avoiding intersymbol interference. CDD was introduced in 2001 and can gain frequency diversity at the receiver… …   Wikipedia

• Orthogonal frequency-division multiplexing — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

• Single-frequency network — For other uses, see SFN (disambiguation). A single frequency network or SFN is a broadcast network where several transmitters simultaneously send the same signal over the same frequency channel. Contents 1 Overview 2 OFDM and COFDM 3 DVB T SFN …   Wikipedia

• "Human genetic diversity: Lewontin's fallacy" (scientific paper) — Infobox Multi Locus Allele Clusters   In a haploid population, when a single locus is considered (blue), with two alleles, + and …   Wikipedia

• Dynamic single-frequency networks — (DSFN) is a transmitter macrodiversity technique for OFDM based cellular networks. DSFN is based on the idea of single frequency networks (SFN), which is a group of radio transmitters that send the same signal simultaneously over the same… …   Wikipedia