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- Delay_encoding abstract "In telecommunications, delay encoding is the encoding of binary data to form a two-level signal where (a) a "0" causes no change of signal level unless it is followed by another "0" in which case a transition to the other level takes place at the end of the first bit period; and (b) a "1" causes a transition from one level to the other in the middle of the bit period. Delay encoding is used primarily for encoding radio signals because the frequency spectrum of the encoded signal contains less low-frequency energy than a conventional non-return-to-zero (NRZ) signal and less high-frequency energy than a biphase signal.Delay encoding is an encoding using only half the bandwidth for biphase encoding but features all the advantages of biphase encoding:To be rewritten: It is guaranteed to have transitions every other bit, meaning that decoding systems can adjust their clock/DC threshold continuously.One drawback is human readability (e.g. on an oscilloscope).Delay encoding is also known as Miller encoding (named after Armin Miller, its inventor). <US Pat. # 3,108,261>Some RFID cards, in particular EPC UHF Gen 2 RF cards, use a variant called "Miller sub-carrier coding".In this system, 2, 4 or 8 cycles of a subcarrier square wave are transmitted for each bit time. The Miller encoding transitions are indicated by 180° phase shifts in the subcarrier, i.e. the subcarrier pauses for 1/2 of a cycle at each transition. (The resultant binary subcarrier is itself either ASK or PSK modulated on another carrier.)".
- Delay_encoding wikiPageExternalLink US3108261.
- Delay_encoding wikiPageID "41013".
- Delay_encoding wikiPageRevisionID "590702415".
- Delay_encoding hasPhotoCollection Delay_encoding.
- Delay_encoding subject Category:Encodings.
- Delay_encoding subject Category:Line_codes.
- Delay_encoding type Abstraction100002137.
- Delay_encoding type Act100030358.
- Delay_encoding type Activity100407535.
- Delay_encoding type Code106667317.
- Delay_encoding type Communication100033020.
- Delay_encoding type Cryptography100614489.
- Delay_encoding type Encoding100615887.
- Delay_encoding type Encodings.
- Delay_encoding type Event100029378.
- Delay_encoding type LineCodes.
- Delay_encoding type PsychologicalFeature100023100.
- Delay_encoding type Writing100614224.
- Delay_encoding type WrittenCommunication106349220.
- Delay_encoding type YagoPermanentlyLocatedEntity.
- Delay_encoding comment "In telecommunications, delay encoding is the encoding of binary data to form a two-level signal where (a) a "0" causes no change of signal level unless it is followed by another "0" in which case a transition to the other level takes place at the end of the first bit period; and (b) a "1" causes a transition from one level to the other in the middle of the bit period.".
- Delay_encoding label "Codage Miller".
- Delay_encoding label "Delay encoding".
- Delay_encoding label "Digitale Frequenzmodulation".
- Delay_encoding sameAs Digitale_Frequenzmodulation.
- Delay_encoding sameAs Codage_Miller.
- Delay_encoding sameAs m.0b7fj.
- Delay_encoding sameAs Q944036.
- Delay_encoding sameAs Q944036.
- Delay_encoding sameAs Delay_encoding.
- Delay_encoding wasDerivedFrom Delay_encoding?oldid=590702415.
- Delay_encoding isPrimaryTopicOf Delay_encoding.