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22 relations: Bandlimiting, DASH7, DASH7 Alliance, Double-sideband suppressed-carrier transmission, Duplex (telecommunications), Electromagnetic induction, Fourier series, Frequency-division multiple access, German identity card, Hertz, High frequency, ISO/IEC 14443, ISO/IEC 18000-7, ISO/IEC 7816, Modified Frequency Modulation, Phase-jitter modulation, Phase-shift keying, Radio-frequency identification, Singulation, Subcarrier, Time-division multiple access, ZDNet.
Bandlimiting
Bandlimiting is the limiting of a signal's frequency domain representation or spectral density to zero above a certain finite frequency.
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DASH7
DASH7 Alliance Protocol (D7A) is an open source Wireless Sensor and Actuator Network protocol, which operates in the 433 MHz, 868 MHz and 915 MHz unlicensed ISM band/SRD band.
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DASH7 Alliance
The DASH7 Alliance (D7A) is a group of companies and universities managing the evolution of the Dash7 Alliance protocol.
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Double-sideband suppressed-carrier transmission
Double-sideband suppressed-carrier transmission (DSB-SC) is transmission in which frequencies produced by amplitude modulation (AM) are symmetrically spaced above and below the carrier frequency and the carrier level is reduced to the lowest practical level, ideally being completely suppressed.
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Duplex (telecommunications)
A duplex communication system is a point-to-point system composed of two or more connected parties or devices that can communicate with one another in both directions.
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Electromagnetic induction
Electromagnetic or magnetic induction is the production of an electromotive force (i.e., voltage) across an electrical conductor in a changing magnetic field.
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Fourier series
In mathematics, a Fourier series is a way to represent a function as the sum of simple sine waves.
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Frequency-division multiple access
Frequency division multiple access (FDMA) is a channel access method used in multiple-access protocols as a channelization protocol.
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German identity card
The German Identity Card (German: Personalausweis) is issued to German citizens by the local registration offices and diplomatic missions abroad (although today they are produced centrally at the Bundesdruckerei in Berlin).
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Hertz
The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.
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High frequency
High frequency (HF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) between 3 and 30 megahertz (MHz).
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ISO/IEC 14443
ISO/IEC 14443 Identification cards -- Contactless integrated circuit cards -- Proximity cards is an international standard that defines proximity cards used for identification, and the transmission protocols for communicating with it.
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ISO/IEC 18000-7
The original ISO 18000-7 standard was ratified in 2004 then modified in 2008.
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ISO/IEC 7816
ISO/IEC 7816 is an international standard related to electronic identification cards with contacts, especially smart cards, managed jointly by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC).
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Modified Frequency Modulation
Modified Frequency Modulation, commonly MFM, is a run-length limited (RLL) coding scheme used to encode the actual data-bits on most floppy disks.
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Phase-jitter modulation
Phase-jitter modulation (PJM) is a modulation method specifically designed to meet the unique requirements of passive RFID tags.
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Phase-shift keying
Phase-shift keying (PSK) is a digital modulation process which conveys data by changing (modulating) the phase of a constant frequency reference signal (the carrier wave).
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Radio-frequency identification
Radio-frequency identification (RFID) uses electromagnetic fields to automatically identify and track tags attached to objects.
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Singulation
Singulation is a method by which an RFID reader identifies a tag with a specific serial number from a number of tags in its field.
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Subcarrier
A subcarrier is a sideband of a radio frequency carrier wave, which is modulated to send additional information.
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Time-division multiple access
Time-division multiple access (TDMA) is a channel access method for shared-medium networks.
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ZDNet
ZDNet is a business technology news website published by CBS Interactive, along with TechRepublic.
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References
[1] https://en.wikipedia.org/wiki/ISO/IEC_18000-3
