Encyclopedia results for Radio-frequency identification

1. Radio-frequency identification
   tag used by Wal Mart . Radio frequency identification RFID is an Automatic identification and data capture ... into a product, animal, or person for the purpose of identification using radio waves. Some tags can ..
   
   
   
2. Radio frequency
   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 signal s used to produce and detect ..
   
   
   
3. Radio frequency engineering
   Radio frequency engineering is the analysis and design of circuits at frequencies where transmission ... networks etc. Typical frequencies of commercial radio frequency systems are from 10 Megahertz ..
   
   
   
4. Radio frequency upconverter
   A radio frequency upconverter is a device that takes an input of radio frequency energy of a specific frequency range and outputs it on a higher frequency. Likewise, downconverters take an input frequency ..
   
   
   
5. Radio frequency downconverter
   A radio frequency downconverter is a device that takes an input of radio frequency energy of a specific frequency range and outputs it on a lower frequency. Likewise, upconverters take an input frequency ..
   
   
   
6. Radio-frequency induction
   induction heating Radio frequency induction or RF induction is the use of a radio frequency magnetic field to transfer energy by means of electromagnetic induction in the near field . A radio frequency ..
   
   
   
7. Tuned radio frequency receiver
   A radio receiver , usually comprised of several tuned radio frequency amplifier s followed by circuits ... simply a grid leak detector . The significance of the term tuned radio frequency is best understood ..
   
   
   
8. Radio Frequency 88.1
   orphan date December 2007 Radio Frequency 88.1 is a pirate radio station based in Leeds , West Yorkshire ... leedsdrumandbass.co.uk http leedsdrumandbass.co.uk Frequency website including online webstream UK ..
   
   
   
9. Radio frequency heating
   unreferenced date May 2008 Radio frequency heating is the heating of materials by radio frequency otherwise ... radio frequency is misleading electromagnetic energy of any frequency is absorbed and reflected to a greater ..
   
   
   
10. Radio frequency power transmission
    Image Solec Kujawski longwave antenna feeder.jpg thumb Overhead radio frequency power transmission line at Solec Kujawski longwave transmitter, Solec Kujawski, Poland Radio frequency power transmission ..
    
    
    
11. Digital radio frequency memory
    Digital Radio Frequency Memory DRFM is an electronic method for digital digitally capturing and retransmitting radio frequency RF signal. DRFMs are typically used in radar jamming , although applications ..
    
    
    
12. Superconducting Radio Frequency
    Radio Frequency SRF science and technology involves the application of electrical Superconductivity superconductors to radio frequency devices. The ultra low electrical loss of the superconductor yields ..
    
    
    
13. Amateur radio frequency allocations
    Mergefrom Amateur radio bands date January 2008 Amateur radio frequency allocation is done by national ... much radio spectrum is set aside for amateur radio transmissions. Radio amateurs use a variety of transmission ..
    
    
    
14. High-energy radio-frequency weapons
    Disputed date May 2008 High Energy Radio Frequency weapons HERF or High Power Radio Frequency weapons HPRF are weapons that use high intensity Radio frequency radio waves to disrupt electronics . They are a type ..
    
    
    
15. NTIA Manual of Regulations and Procedures for Federal Radio Frequency Management
    The NTIA Manual of Regulations and Procedures for Federal Radio Frequency Management , also known as the Red ... for all technical regulations relating to the use of the electromagnetic frequency spectrum . The NTIA ..
    
    
    
16. Identification
    in radio See also Identity disambiguation ID disambiguation disambig de Bestimmung fr Identification ...Wiktionary identification Identification can mean The psychoanalytic view on Identification Identification ..
    
    
    
17. Ultrasound Identification
    a superior alternative to Radio frequency identification RFID in complex indoor environments such as hospitals ... Category Automatic identification and data capture Category Geolocation Category Radio frequency ..
    
    
    
18. Ultrasonic Identification
    based IPS is considered a superior alternative to Radio frequency identification RFID in complex ...Ultrasound Identification USID Ultrasound Identification is a Real Time Locating System RTLS or Indoor ..
    
    
    
19. Identification tag
    An identification tag might be Dog tag , an identification tag worn by dogs Dog tag identifier , an identification tag used by the military A Microchip implant animal radio identification tag , a scanner ..
    
    
    
20. Identification (literature)
    Identification is a term used in Literary criticism literary and Film theory film studies to describe ... in the fictional character. Identification is usually supposed to be largely unconscious a reader ..
    
    
    
21. Identification key
    An identification key is a printed or computer aided device that aids the identification biology identification ... identification keys have most commonly taken the form of single access key s especially dichotomous ..
    
    
    
22. Identification (information)
    expand article date April 2008 unref article date April 2008 otheruses3 Identification The function of Identification ... is called the identifier or ID and the unknown entity is what needs identification. A basic ..
    
    
    
23. Weed identification
    Weed identification may relate to History of plant systematics , the classification of plants Botany , the study of plants Taxonomy , the classification of living things Weed plant science Weed disambiguation ..
    
    
    
24. Identification (biology)
    Identification in biology is the process of assigning a pre existing individual or class name to an individual organism. Identification of organisms to individual names or codes may be based on individualistic ..
    
    
    
25. Identification scheme
    In metadata , an identification scheme is used to identify unique records in a set . If a data element ... representation term . An identification scheme should be contrasted with a classification scheme ..