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Frequency standard
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#	Item
411	INTERNATIONAL STANDARD Add to Reading List Source URL: www.youwokeji.com.cn Language: English - Date: 2011-06-28 21:56:42 Electronic engineering ISO/IEC 18000 ISO/IEC 18000-3 Josef Preishuber-Pflügl Radio-frequency identification Technology Humanâ€“computer interaction
412	ETSI EN[removed]V1[removed]European Standard (Telecommunications series) Add to Reading List Source URL: www.etsi.org Language: English - Date: 2009-01-26 08:47:36 Broadcasting Broadcast engineering Error detection and correction DVB-T High-definition television Orthogonal frequency-division multiplexing Digital Video Broadcasting DVB-H Interleaving DVB Electronic engineering Digital television
413	ETSI EN[removed]V1[removed]European Standard (Telecommunications series) Add to Reading List Source URL: www.etsi.org Language: English - Date: 2006-06-15 05:46:50 Electronic engineering Digital radio Data compression Digital Audio Broadcasting DVB MPEG-1 Audio Layer II Orthogonal frequency-division multiplexing European Telecommunications Standards Institute Network packet MPEG Audio codecs Broadcast engineering
414	→ Atomic Clock Ensemble in Space (ACES) Operation of ultra-stable clocks on the ISS Add to Reading List Source URL: wsn.spaceflight.esa.int Language: English - Date: 2011-06-23 03:35:31 Technology Horology Acronyms SI base units Atomic clock Nuclear technology Maser Hyperfine structure Frequency standard Measurement Physics Clocks
415	INTERNATIONAL STANDARD © ISO/IEC ISO/IEC FCD[removed] Add to Reading List Source URL: www.waazaa.org Language: English - Date: 2007-10-01 13:21:59 Security Identification Card standards ISO standards Ubiquitous computing ISO/IEC Proximity card Electronic engineering Magnetic stripe card Radio-frequency identification Smart cards ISO/IEC 14443
416	SI Brochure Appendix 2. Practical realization of the definition of the unit of time Practical realization of the definition of the unit of time Add to Reading List Source URL: www.bipm.org Language: English - Date: 2013-05-31 04:00:34 Terrestrial Time Atomic clock Second Coordinated Universal Time Metrology Metre Frequency standard Leap second Universal Time Measurement Time scales International Atomic Time
417	ETSI EN[removed]V1[removed]European Standard (Telecommunications series) Add to Reading List Source URL: www.etsi.org Language: English - Date: 2009-09-09 08:10:01 Television DVB-T2 DVB-T DVB-S2 Orthogonal frequency-division multiplexing Digital Video Broadcasting European Telecommunications Standards Institute Generic Stream Encapsulation DVB-S DVB Electronic engineering Broadcast engineering
418	IEEE Standard[removed]: A Technical Overview of the WirelessMAN Air Interface for Broadband Wireless Access Add to Reading List Source URL: grouper.ieee.org Language: English - Date: 2002-06-06 18:00:03 Media Access Control IEEE 802 Metropolitan area networks Working groups Universal Mobile Telecommunications System IEEE 802.16 Duplex Orthogonal frequency-division multiplexing IEEE Standards Association OSI protocols Electronic engineering Technology
419	397 PROCEEDINGS OF THE IEEE, VOL. 67, NO. 3, MARCH 1979 Add to Reading List Source URL: www-ee.stanford.edu Language: English - Date: 2005-09-13 19:40:07 Substitution cipher Chosen-plaintext attack Cryptanalysis Plaintext Cipher Frequency analysis Data Encryption Standard Initialization vector One-time pad Cryptography Espionage Ciphertext
420	AUSTRALIAN STANDARD AS/ACIF S002:2005 Analogue interworking and non-interference Add to Reading List Source URL: www.commsalliance.com.au Language: English - Date: 2010-10-21 21:29:21 Telephony Public switched telephone network Signaling Plain old telephone service Telephone ACIF Dual-tone multi-frequency signaling Dial tone Electronic engineering Technology Electronics

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