Antenniteooria
Antenniteooria
Üks väga hea konspekt antenniteooriast. Põhirõhk amatöörvastuvõtul ja -saatmisel, aga huvitavat leiab ka tavaline satifänn.
http://www.qsl.net/n1bwt/contents.htm
Parabool - http://www.qsl.net/n1bwt/chap4.pdf
Offset - http://www.qsl.net/n1bwt/chap5.pdf
---
Siia teemasse sobiks muudki sarnased lingid ja konspektid, kui keegi leiab.
http://www.qsl.net/n1bwt/contents.htm
Parabool - http://www.qsl.net/n1bwt/chap4.pdf
Offset - http://www.qsl.net/n1bwt/chap5.pdf
---
Siia teemasse sobiks muudki sarnased lingid ja konspektid, kui keegi leiab.
Re: Antenniteooria
Tänan Sind väga!
See on päris lahe infomaterjal,
mida saan enda õppetöös ilmselt kenasti ära kasutada.
Suur tänu!!!
See on päris lahe infomaterjal,
mida saan enda õppetöös ilmselt kenasti ära kasutada.
Suur tänu!!!
AX HD61 4K ; AX HD51 4K ; LG OLED65B8PLA; LG OLED55EG9A7V ; T90 0,8W; 4,8E; 9E; 13E; 16E; 19,2E; 23,5E; 28,2E; 31,5E; 36E
- peeter3000
- Digivanake
- Postitusi: 8384
- Liitunud: 02:00, 15 Nov 2006
- Asukoht: Tallinn
Re: Antenniteooria
teooria ja praktika.
minul on 3m -se mõõdud:
300cm , sügavus 46cm.
seega lnb kaugus peab olema 120cm (focal lenght) ja fD suhe on 0,4.
panen hiljem ühe lingi ka..
http://www.satsig.net/focal-length-parabolic-dish.htm
minul on 3m -se mõõdud:
300cm , sügavus 46cm.
seega lnb kaugus peab olema 120cm (focal lenght) ja fD suhe on 0,4.
panen hiljem ühe lingi ka..
http://www.satsig.net/focal-length-parabolic-dish.htm
DVB-T/T2:Eesti-SoomeDigi/ DVB-C:Starman HD/DVB-S: Mabo 125x140cm/TBS5922
Re: Antenniteooria
Tee See Ise nokitsemist DiseqC käskude lugemiseks ja vana servo-LNB juhtimise ehitamine tänapäevase tuuneriga kasutamiseks.
http://www.ringolake.com/pic_proj/satel ... jects.html
http://www.ringolake.com/pic_proj/satel ... jects.html
Re: Antenniteooria
Satelliidi teekond Maa peal alates ehitamisest kuni ülessaatmiseni. Jutt inglise keeles, aga palju pilte ja videosid.
http://www.theguardian.com/science/2015 ... drew-smith
http://www.theguardian.com/science/2015 ... drew-smith
Re: Antenniteooria
Infotehnoloogia spetsialisti kutseeksamiks valmistumise e-kursus - http://www.e-uni.ee/e-kursused/eucip/haldus/index.html
Täpsemalt:
Arvutite arhitektuur http://www.e-uni.ee/e-kursused/eucip/ha ... ktuur.html
Operatsioonisüsteemid http://www.e-uni.ee/e-kursused/eucip/ha ... eemid.html
Side ja võrgud http://www.e-uni.ee/e-kursused/eucip/ha ... vrgud.html
Võrguteenused http://www.e-uni.ee/e-kursused/eucip/ha ... nused.html
Traadita ja kaasaskantavad arvutusseadmed http://www.e-uni.ee/e-kursused/eucip/ha ... admed.html
[*]Mobiilside ja modulatsioonid http://www.e-uni.ee/e-kursused/eucip/ha ... mtted.html
Võrguhaldus http://www.e-uni.ee/e-kursused/eucip/ha ... aldus.html
IT-turvalisus - http://www.e-uni.ee/e-kursused/itturvalisus/
---
Alammenüüd vasakul avanevad punktide kaupa.
Täpsemalt:
Arvutite arhitektuur http://www.e-uni.ee/e-kursused/eucip/ha ... ktuur.html
Operatsioonisüsteemid http://www.e-uni.ee/e-kursused/eucip/ha ... eemid.html
Side ja võrgud http://www.e-uni.ee/e-kursused/eucip/ha ... vrgud.html
Võrguteenused http://www.e-uni.ee/e-kursused/eucip/ha ... nused.html
Traadita ja kaasaskantavad arvutusseadmed http://www.e-uni.ee/e-kursused/eucip/ha ... admed.html
[*]Mobiilside ja modulatsioonid http://www.e-uni.ee/e-kursused/eucip/ha ... mtted.html
Võrguhaldus http://www.e-uni.ee/e-kursused/eucip/ha ... aldus.html
IT-turvalisus - http://www.e-uni.ee/e-kursused/itturvalisus/
---
Alammenüüd vasakul avanevad punktide kaupa.
Re: Antenniteooria
http://www.kitsystem.ru/sites/default/files/setup.pdf
Vene keeles põhjalik õpetus, kuidas satelliitantenn kokku panna ja taevakaarelt vajalik satelliit üles leida. Piltidega.
Vene keeles põhjalik õpetus, kuidas satelliitantenn kokku panna ja taevakaarelt vajalik satelliit üles leida. Piltidega.
Re: Antenniteooria
Raadiohorisondi kalkulaator antenni kõrguse järgi - http://www.calculatoredge.com/electroni ... fsight.htm
DVB channel bitrate calculator - http://www.satbroadcasts.com/DVB-T_Bitr ... lator.html
DVB-T Radar: Find the nearest DVB-T transmitters! - http://www.satbroadcasts.com/DVB-T_Radar.html
DVB channel bitrate calculator - http://www.satbroadcasts.com/DVB-T_Bitr ... lator.html
DVB-T Radar: Find the nearest DVB-T transmitters! - http://www.satbroadcasts.com/DVB-T_Radar.html
Re: Antenniteooria
http://www.w1ghz.org/antbook/conf/high_ ... _feeds.pdf - feedhorni teooria.
Re: Antenniteooria
Seekord maa peale - DVB-T2 lahtiseletus http://www.enensys.com/technologies/dvb ... rview.html ja http://www.enensys.com/technologies/dvb ... rview.html
https://www.dvb.org/standards/factsheets
https://www.dvb.org/standards/factsheets
Re: Antenniteooria
Walther Fisher "Digital Video and Audio Broadcasting Technology – A Practical Engineering Guide" Third edition.
Vaieldamatult kirss tordil... 828 lk lugemist.
"Digital Video and Audio Broadcasting Technology – A Practical Engineering Guide" deals with all the most important digital television, sound radio and multimedia standards such as MPEG, DVB, DVD, DAB, ATSC, T-DMB, DMB-T, DRM and ISDB-T. The book provides an in-depth look at these subjects in terms of practical experience. In addition it contains chapters on the basics of technologies such as analog television, digital modulation, COFDM or mathematical transformations between time and frequency domains. The attention in the respective field under discussion is focussed on aspects of measuring techniques and of measuring practice, in each case consolidating the knowledge imparted with numerous practical examples. This book is directed primarily at the specialist working in the field, on transmitters and transmission equipment, network planning, studio technology, playout centers and multiplex center technology and in the development departments for entertainment electronics or TV test engineering. Since the intire field of electrical communications technology is traversed in a wide arc, those who are students in this field are not excluded either. The third edition of this well established reference work includes the new formats MPEG-4 und IPTV, and it already gives an outlook to the newest standards like DVB-SH and DVB-T2.
Jutt pärit http://www.springer.com/jp/book/9783642116117
Raamatu leiab pealkirja googeldades teise vastena, link algab prtech.irib.ir/c/document_library/get_file?uuid=6499ed89-cf14...
Vaieldamatult kirss tordil... 828 lk lugemist.
"Digital Video and Audio Broadcasting Technology – A Practical Engineering Guide" deals with all the most important digital television, sound radio and multimedia standards such as MPEG, DVB, DVD, DAB, ATSC, T-DMB, DMB-T, DRM and ISDB-T. The book provides an in-depth look at these subjects in terms of practical experience. In addition it contains chapters on the basics of technologies such as analog television, digital modulation, COFDM or mathematical transformations between time and frequency domains. The attention in the respective field under discussion is focussed on aspects of measuring techniques and of measuring practice, in each case consolidating the knowledge imparted with numerous practical examples. This book is directed primarily at the specialist working in the field, on transmitters and transmission equipment, network planning, studio technology, playout centers and multiplex center technology and in the development departments for entertainment electronics or TV test engineering. Since the intire field of electrical communications technology is traversed in a wide arc, those who are students in this field are not excluded either. The third edition of this well established reference work includes the new formats MPEG-4 und IPTV, and it already gives an outlook to the newest standards like DVB-SH and DVB-T2.
Jutt pärit http://www.springer.com/jp/book/9783642116117
Raamatu leiab pealkirja googeldades teise vastena, link algab prtech.irib.ir/c/document_library/get_file?uuid=6499ed89-cf14...
Re: Antenniteooria
Ka ja Ku bandi üheaegne vaatamine ühe antenniga
http://www.sat-digest.com/forum/viewtopic.php?t=39920 ... võib huvi pakkuda margustenile
http://www.sat-digest.com/forum/viewtopic.php?t=39920 ... võib huvi pakkuda margustenile
LG OLED 65E7V-Z + Dreambox DM900 Ultra HD - 36E > 28,2E > 19,2E > 13E > 9E > 4,8E > 0,8W + Cisco EPC3940AL 2.4/5G WiFi modem/router + Netflix