radio-frequency signal

См. также в других словарях:

• radio-frequency signal-to-interference ratio — aukštadažnio signalo ir trukdžių santykis statusas T sritis radioelektronika atitikmenys: angl. radio frequency signal to interference ratio vok. Hochfrequenzstörabstand, m rus. отношение сигнал/помеха на радиочастоте, n pranc. rapport… …   Radioelektronikos terminų žodynas

• Radio-frequency identification — (RFID) is a technology that uses radio waves to transfer data from an electronic tag, called RFID tag or label, attached to an object, through a reader for the purpose of identifying and tracking the object. Some RFID tags can be read from… …   Wikipedia

• Radio Frequency Identification — Radio identification Une puce de radio identification EPC utilisée par Wal Mart La radio identification plus souvent désignée pa …   Wikipédia en Français

• Radio frequency identification — Radio identification Une puce de radio identification EPC utilisée par Wal Mart La radio identification plus souvent désignée pa …   Wikipédia en Français

• Radio-frequency sweep — or Frequency sweep or RF sweep refer to scanning a radio frequency band for detecting signals being transmitted there. This is implemented using a radio receiver having a tunable receiving frequency. As the frequency of the receiver is changed to …   Wikipedia

• Radio frequency — (RF) is a frequency or rate of oscillation within the range of about 3 Hz to 300 GHz. This range corresponds to frequency of alternating current electrical signals used to produce and detect radio waves. Since most of this range is beyond the… …   Wikipedia

• Radio Frequency Identification — Die Neutralität dieses Artikels oder Abschnitts ist umstritten. Eine Begründung steht auf der Diskussionsseite. siehe: Abwahl Lesenswert Februar 2007 …   Deutsch Wikipedia

• radio frequency interference — F/A/V tendency of a radio transmission to interfere with other electronic signals. Radio frequency energy is radiated by all electrical equipment when it is a strong enough signal it becomes interference in audio systems …   Audio and video glossary

• Tuned radio frequency receiver — A tuned radio frequency receiver (TRF receiver) is a radio receiver that is usually composed of several tuned radio frequency amplifiers followed by circuits to detect and amplify the audio signal. A 3 stage TRF receiver includes a RF stage, a… …   Wikipedia

• Amateur radio frequency allocations — Amateur radio frequency allocation is done by national telecommunications authorities. Globally, the ITU oversees how much radio spectrum is set aside for amateur radio transmissions. Radio amateurs use a variety of transmission modes, including… …   Wikipedia

• Digital radio frequency memory — (DRFM) is an electronic method for digitally capturing and retransmitting RF signal. DRFMs are typically used in radar jamming, although applications in cellular communications are becoming more common. Overview A DRFM system is designed to… …   Wikipedia