SE8603211D0 - Jonosferisk sondering - Google Patents

Jonosferisk sondering

Info

Publication number
SE8603211D0
SE8603211D0 SE8603211A SE8603211A SE8603211D0 SE 8603211 D0 SE8603211 D0 SE 8603211D0 SE 8603211 A SE8603211 A SE 8603211A SE 8603211 A SE8603211 A SE 8603211A SE 8603211 D0 SE8603211 D0 SE 8603211D0
Authority
SE
Sweden
Prior art keywords
code
frequency
correlation
auto
ionospheric
Prior art date
Application number
SE8603211A
Other languages
English (en)
Other versions
SE469649B (sv
SE8603211L (sv
Inventor
R G Wilkinson
Original Assignee
Secr Defence Brit
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Secr Defence Brit filed Critical Secr Defence Brit
Publication of SE8603211D0 publication Critical patent/SE8603211D0/sv
Publication of SE8603211L publication Critical patent/SE8603211L/sv
Publication of SE469649B publication Critical patent/SE469649B/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/0218—Very long range radars, e.g. surface wave radar, over-the-horizon or ionospheric propagation systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/22—Scatter propagation systems, e.g. ionospheric, tropospheric or meteor scatter
SE8603211A 1984-10-30 1986-07-24 Jonosfaersonderingssystem foer aastadkommande av frekvensdirigeringsinformation foer hoegfrekvenskommunikationer SE469649B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8427440 1984-10-30

Publications (3)

Publication Number Publication Date
SE8603211D0 true SE8603211D0 (sv) 1986-07-24
SE8603211L SE8603211L (sv) 1992-11-06
SE469649B SE469649B (sv) 1993-08-09

Family

ID=10568986

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8603211A SE469649B (sv) 1984-10-30 1986-07-24 Jonosfaersonderingssystem foer aastadkommande av frekvensdirigeringsinformation foer hoegfrekvenskommunikationer

Country Status (9)

Country Link
US (1) US5230076A (sv)
AU (1) AU632279B2 (sv)
CA (1) CA1333921C (sv)
DE (1) DE3546469C2 (sv)
FR (1) FR2714777B1 (sv)
GB (1) GB2253971B (sv)
IT (1) IT1235572B (sv)
NL (1) NL192282C (sv)
SE (1) SE469649B (sv)

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US6847801B2 (en) * 2001-08-30 2005-01-25 The Boeing Company Communications system and method employing forward satellite links using multiple simultaneous data rates
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US7751337B2 (en) * 2003-02-10 2010-07-06 The Boeing Company Method and apparatus for optimizing forward link data rate for radio frequency transmissions to mobile platforms
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US7860497B2 (en) * 2004-03-31 2010-12-28 The Boeing Company Dynamic configuration management
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US7890821B2 (en) * 2007-10-04 2011-02-15 Veriwave, Inc. Channel impairment emulator systems and methods
US8189708B2 (en) * 2008-08-08 2012-05-29 The Boeing Company System and method for accurate downlink power control of composite QPSK modulated signals
WO2015013602A2 (en) * 2013-07-26 2015-01-29 Massachusetts Institute Of Technology Accurate timing distribution by high-frequency radio
RU2581627C2 (ru) * 2014-05-21 2016-04-20 Открытое акционерное общество "Омский научно-исследовательский институт приборостроения" (ОАО "ОНИИП") Лчм-ионозонд
US20160197669A1 (en) 2014-12-11 2016-07-07 Tesla Wireless Company LLC Communication method and system that uses low latency/low data bandwidth and high latency/high data bandwidth pathways
WO2016094857A1 (en) * 2014-12-12 2016-06-16 Services Development Company LLC Data transmission via a high frequency radio band
US9693330B1 (en) * 2015-07-30 2017-06-27 Rockwell Collins, Inc. Wideband high frequency based precision time transfer
SG11202110758UA (en) * 2017-10-03 2021-10-28 Skywave Networks Llc Method and system of preconditioning transmitted signals
CN111434053A (zh) 2017-10-04 2020-07-17 天波网络有限责任公司 用于基于改变的大气条件而选择最佳传输频率的技术
DE112018004443T5 (de) 2017-10-04 2020-05-20 Skywave Networks Llc Handhabung von signalen, die auf pfaden mit unterschiedlicher anzahl an hops empfangen werden
GB2581931B (en) * 2017-10-25 2022-10-12 Skywave Networks Llc Fuzzy logic for processing transmission meta data
RU2685245C1 (ru) * 2018-03-19 2019-04-17 Акционерное общество "Научно-производственное предприятие "Полет" Устройство для анализа и выбора оптимальных авиационных декаметровых радиоканалов с использованием лчм сигналов
US11047967B2 (en) * 2018-07-12 2021-06-29 Southwest Research Institute Removal of directwave high frequency signal for ionospheric sounder return processing
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CN114545357B (zh) * 2022-04-25 2022-07-19 武汉大学 一种基于互谱分析的电离层Es层高分辨率垂直探测方法

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Also Published As

Publication number Publication date
NL192282C (nl) 1997-04-03
DE3546469C2 (de) 1994-09-08
SE469649B (sv) 1993-08-09
GB2253971A (en) 1992-09-23
FR2714777B1 (fr) 1996-04-26
DE3546469A1 (de) 1993-07-29
IT8648153A0 (it) 1986-06-19
AU632279B2 (en) 1992-12-24
SE8603211L (sv) 1992-11-06
IT1235572B (it) 1992-09-11
NL8515007A (nl) 1992-10-01
NL192282B (nl) 1996-12-02
US5230076A (en) 1993-07-20
GB2253971B (en) 1993-02-03
FR2714777A1 (fr) 1995-07-07
CA1333921C (en) 1995-01-10

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