極低頻 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "極低頻" in Chinese language version.

refsWebsite

Global rank Chinese rank

9web.archive.org

1^st place

2books.google.com

3^rd place

8^th place

1naer.edu.tw

4,367^th place

148^th place

1itu.int

986^th place

1,205^th place

1nasa.gov

75^th place

140^th place

1anl.gov

6,358^th place

4,641^st place

1fas.org

505^th place

609^th place

1dtic.mil

833^rd place

901^st place

1harvard.edu

18^th place

57^th place

1doi.org

2^nd place

23^rd place

1vlf.it

low place

1janes.com

618^th place

703^rd place

1indiatimes.com

17^th place

397^th place

anl.gov

solareis.anl.gov

Extremely low frequency. ANL Glossary. [9 August 2011]. （原始内容存档于2013-10-29）.

books.google.com

Coe, Lewis. Wireless Radio: A brief history. USA: McFarland. 2006: 143–144. ISBN 978-0786426621.
Sterling, Christopher H. Military communications: from ancient times to the 21st century. ABC-CLIO. 2008: 431–432. ISBN 978-1851097326.

doi.org

dx.doi.org

Bashkuev, Yu. B.; V. B. Khaptanov; A. V. Khankharaev. Analysis of Propagation Conditions of ELF Radio Waves on the "Zeus"–Transbaikalia Path. Radiophysics and Quantum Electronics. December 2003, 46 (12): 909–917. Bibcode:2003R&QE...46..909B. doi:10.1023/B:RAQE.0000029585.02723.11.

dtic.mil

Wolkoff, E. A.; W. A. Kraimer. Pattern Measurements of U.S. Navy ELF Antennas (PDF). ELF/VLF/LF Radio Propagation and Systems Aspects. Belgium: AGARD Conference proceedings 28 Sept. – 2 Oct. 1992, NATO: 26.1–26.10. May 1993 [17 February 2012]. （原始内容存档 (PDF)于2016-03-03）.

fas.org

Extremely Low Frequency Transmitter Site, Clam Lake, Wisconsin (PDF). Navy Fact File. United States Navy. 28 June 2001 [17 February 2012]. （原始内容存档 (PDF)于2021-01-25）. at the Federation of American Scientists website （页面存档备份，存于互联网档案馆）

harvard.edu

ui.adsabs.harvard.edu

Bashkuev, Yu. B.; V. B. Khaptanov; A. V. Khankharaev. Analysis of Propagation Conditions of ELF Radio Waves on the "Zeus"–Transbaikalia Path. Radiophysics and Quantum Electronics. December 2003, 46 (12): 909–917. Bibcode:2003R&QE...46..909B. doi:10.1023/B:RAQE.0000029585.02723.11.

indiatimes.com

timesofindia.indiatimes.com

Navy gets new facility to communicate with nuclear submarines prowling underwater. The Times of India. 31 July 2014 [2019-04-03]. （原始内容存档于2021-02-25）.

itu.int

Rec. ITU-R V.431-7, Nomenclature of the frequency and wavelength bands used in telecommunications (PDF). ITU. [20 February 2013]. （原始内容 (PDF)存档于31 October 2013）.

janes.com

Hardy, James. India makes headway with ELF site construction. IHS Jane's Defence Weekly. 28 February 2013 [23 February 2014]. （原始内容存档于23 February 2014）.

naer.edu.tw

terms.naer.edu.tw

極低頻率，超低頻. 國家教育研究院. [2019-04-03]. （原始内容存档于2019-04-03）.

nasa.gov

Extremely Low Frequency. ANL Glossary. NASA. [28 September 2013]. （原始内容存档于2016-03-04）.

vlf.it

Jacobsen, Trond. ZEVS, The Russian 82 Hz ELF Transmitter. Radio Waves Below 22 kHz. Renato Romero webpage. 2001 [17 February 2012]. （原始内容存档于2011-07-09）.

web.archive.org

極低頻率，超低頻. 國家教育研究院. [2019-04-03]. （原始内容存档于2019-04-03）.
Rec. ITU-R V.431-7, Nomenclature of the frequency and wavelength bands used in telecommunications (PDF). ITU. [20 February 2013]. （原始内容 (PDF)存档于31 October 2013）.
Extremely Low Frequency. ANL Glossary. NASA. [28 September 2013]. （原始内容存档于2016-03-04）.
Extremely low frequency. ANL Glossary. [9 August 2011]. （原始内容存档于2013-10-29）.
Extremely Low Frequency Transmitter Site, Clam Lake, Wisconsin (PDF). Navy Fact File. United States Navy. 28 June 2001 [17 February 2012]. （原始内容存档 (PDF)于2021-01-25）. at the Federation of American Scientists website （页面存档备份，存于互联网档案馆）
Wolkoff, E. A.; W. A. Kraimer. Pattern Measurements of U.S. Navy ELF Antennas (PDF). ELF/VLF/LF Radio Propagation and Systems Aspects. Belgium: AGARD Conference proceedings 28 Sept. – 2 Oct. 1992, NATO: 26.1–26.10. May 1993 [17 February 2012]. （原始内容存档 (PDF)于2016-03-03）.
Jacobsen, Trond. ZEVS, The Russian 82 Hz ELF Transmitter. Radio Waves Below 22 kHz. Renato Romero webpage. 2001 [17 February 2012]. （原始内容存档于2011-07-09）.
Hardy, James. India makes headway with ELF site construction. IHS Jane's Defence Weekly. 28 February 2013 [23 February 2014]. （原始内容存档于23 February 2014）.
Navy gets new facility to communicate with nuclear submarines prowling underwater. The Times of India. 31 July 2014 [2019-04-03]. （原始内容存档于2021-02-25）.