FMUSER Wirless Kusambaza Video Na Sauti Ni Rahisi Zaidi!
es.fmuser.org
it.fmuser.org
fr.fmuser.org
de.fmuser.org
af.fmuser.org -> Kiafrikana
sq.fmuser.org -> Kialbeni
ar.fmuser.org -> Kiarabu
hy.fmuser.org -> Kiarmenia
az.fmuser.org -> Kiazabajani
eu.fmuser.org -> Kibasque
be.fmuser.org -> Kibelarusi
bg.fmuser.org -> Kibulgaria
ca.fmuser.org -> Kikatalani
zh-CN.fmuser.org -> Kichina (Kilichorahisishwa)
zh-TW.fmuser.org -> Wachina (Jadi)
hr.fmuser.org -> Kikroeshia
cs.fmuser.org -> Kicheki
da.fmuser.org -> Kidenmaki
nl.fmuser.org -> Kiholanzi
et.fmuser.org -> Kiestonia
tl.fmuser.org -> Kifilipino
fi.fmuser.org -> Kifini
fr.fmuser.org -> Kifaransa
gl.fmuser.org -> Kigalisia
ka.fmuser.org -> Kijojiajia
de.fmuser.org -> Kijerumani
el.fmuser.org -> Kiyunani
ht.fmuser.org -> Kikrioli cha Haiti
iw.fmuser.org -> Kiebrania
hi.fmuser.org -> Kihindi
hu.fmuser.org -> Kihungari
is.fmuser.org -> Kiaislandi
id.fmuser.org -> Kiindonesia
ga.fmuser.org -> Kiayalandi
it.fmuser.org -> Italia
ja.fmuser.org -> Kijapani
ko.fmuser.org -> Kikorea
lv.fmuser.org -> Kilatvia
lt.fmuser.org -> Kilithuania
mk.fmuser.org -> Kimasedonia
ms.fmuser.org -> Kimalesia
mt.fmuser.org -> Kimalta
no.fmuser.org -> Kinorwe
fa.fmuser.org -> Kiajemi
pl.fmuser.org -> Kipolishi
pt.fmuser.org -> Kireno
ro.fmuser.org -> Kiromania
ru.fmuser.org -> Kirusi
sr.fmuser.org -> Mserbia
sk.fmuser.org -> Kislovakia
sl.fmuser.org -> Kislovenia
es.fmuser.org -> Kihispania
sw.fmuser.org -> Kiswahili
sv.fmuser.org -> Kiswidi
th.fmuser.org -> Thai
tr.fmuser.org -> Kituruki
uk.fmuser.org -> Kiukreni
ur.fmuser.org -> Kiurdu
vi.fmuser.org -> Kivietinamu
cy.fmuser.org -> Kiwelsh
yi.fmuser.org -> Yiddish
Mfano tabia ya angani:
J antenna inaita Polack angani tena, tabia yake ni pembe ya mionzi ya mwinuko chini na ina faida fulani, ufanisi ni 1/4 GP antenna ni duple. J antenna sehemu iliyo hapo juu ni aya ya mnururisho, sehemu ya chini inafanana na aya. Impedans ambayo inabadilisha antenna nzuri ya J ni safu safi ya 50 Ulaya, inaweza kujiunga na kebo ya coaxial 50 Ω moja kwa moja. Kama matokeo ya vifaa vyake vya kuteka hufanywa rahisi, ilipata furaha ya HAM nyingi.
Kuona picha moja:
tafadhali Bonyeza hapa kupata antenna wetu dipole
Kulisha nods kupokea kiwango:
Mstari wa msingi wa kefa ya 50-coaxial hupokea sehemu ya malisho ya upande mrefu, kortical inapokea hatua ya malisho mafupi ya kingo.
marekebisho ya wimbi amesimama:
athari kwamba J antenna SWR anateseka mazingira ni kubwa, sehemu ambayo chakula anachagua ni kufunga nafasi kwa kweli kurekebisha na kuangalia amesimama wimbi.
J antenna mahesabu: Http :/ / www.packetradio.com / jpol.htm
Kutumia kipimo idara ya antenna programu calculative J kulingana na graph: (Rice)
Frequency ABCD
7.0500 30.480 10.116 0.994 0.951
14.175 15.161 5.032 0.494 0.472
21.400 10.040 3.331 0.326 0.314
28.200 7.620 2.530 0.250 0.238
29.600 7.260 2.411 0.238 0.226
50.000 4.298 1.426 0.140 0.134
145.00 1.481 0.491 0.049 0.046
435.00 0.494 0.165 0.015 0.015
tafadhali Bonyeza hapa kupata antenna wetu dipole
Ya J antenna kila aina ya ni nje ya sura:
Grafu 2: V / U aya mbili ya J antenna na Chan Pin aya J antenna inakua na kuja, muundo wa kulisha ambao mechi mbili za Duan Pi umekamilishwa na kebo ya coaxial ya aya mbili za 50 Ω. Aya ya mita 0.7 aya ya kebo inayokua na 1024mm, mita 2 aya aya ya kebo inayokua na 340mm, jiunge kufunga barabara ya kwenda T kuunda kutekeleza nyuma, kuanzisha na 50 Ω cable ndani.
Graph 3: J kwamba line ya 300 Ulaya ya sasa ya kufanya gani antenna, kuteka vifaa ni rahisi, kuwezesha kubeba. Pia yanahusu bendi mfupi wimbi vivyo hivyo.
Graph 4: Kiasi na wanakabiliwa hadi mtoto J antenna, kiasi kushiriki iliongezeka nusu ya kuongeza faida. Kama ongezeko nusu kuwa juu ya kuongeza moja kwa moja, kugeuka juu ya coil picha, baada ya kiasi huja juu, walioteuliwa tayari urefu kufufuka kwa kupinga hatua picha tena. Mimba ni wajanja!
Graph 5: 0.7 mita ya kiasi wanakabiliwa hadi mtoto J antenna, data maamuzi ya bandet antenna.
Graph 6: 5 / 8 J antenna, kanuni hufuata pamoja 4, ni kulisha njia hutofautiana tu.
Graph 7: Super J antenna, kanuni hufuata pamoja 4, tu mechi na hairpin kubadilishwa upande juu coil picha.
Graph 8: Adjustable J ya SWR antenna, screw kwamba anatumia idara ya 1 / 4 Duan Ding anpassar amesimama wimbi, urahisi.
Graph 9: J mchanganyiko kazi ya 8 kuni antenna na YAGI wa kitengo 3 ni sawa, ni kulisha namna inatofautiana kwa kiasi fulani tu. Bado ni moja ya kupanda ni kuwakusanya hadi antenna ngozi ni kuweka katika mionzi brace hadi nafasi ya mtoto, ya kufanya hivyo kusanyeni Pi Bamu antenna, kanuni sana huo. Lakini alipoteza kamili kwa tabia. Kila inachukua yale mahitaji.
Anyhow J antenna bado ina mengi ya fomu, bado pia kuwa katika mabadiliko ya mara kwa mara. Matumaini kuteka inferences kuhusu kesi nyingine kutoka tukio moja anaongeza mamlaka bila kuchoka, innovation huenda antenna Kichina.
Kumbuka: (Nakala nyenzo wote huja kutoka mtandao) BD1HP
tafadhali Bonyeza hapa kupata antenna wetu dipole
bidhaa zetu nyingine:
Kifurushi cha Vifaa vya Kitaalam vya Kituo cha Redio cha FM
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Ingiza barua pepe kupata mshangao
es.fmuser.org
it.fmuser.org
fr.fmuser.org
de.fmuser.org
af.fmuser.org -> Kiafrikana
sq.fmuser.org -> Kialbeni
ar.fmuser.org -> Kiarabu
hy.fmuser.org -> Kiarmenia
az.fmuser.org -> Kiazabajani
eu.fmuser.org -> Kibasque
be.fmuser.org -> Kibelarusi
bg.fmuser.org -> Kibulgaria
ca.fmuser.org -> Kikatalani
zh-CN.fmuser.org -> Kichina (Kilichorahisishwa)
zh-TW.fmuser.org -> Wachina (Jadi)
hr.fmuser.org -> Kikroeshia
cs.fmuser.org -> Kicheki
da.fmuser.org -> Kidenmaki
nl.fmuser.org -> Kiholanzi
et.fmuser.org -> Kiestonia
tl.fmuser.org -> Kifilipino
fi.fmuser.org -> Kifini
fr.fmuser.org -> Kifaransa
gl.fmuser.org -> Kigalisia
ka.fmuser.org -> Kijojiajia
de.fmuser.org -> Kijerumani
el.fmuser.org -> Kiyunani
ht.fmuser.org -> Kikrioli cha Haiti
iw.fmuser.org -> Kiebrania
hi.fmuser.org -> Kihindi
hu.fmuser.org -> Kihungari
is.fmuser.org -> Kiaislandi
id.fmuser.org -> Kiindonesia
ga.fmuser.org -> Kiayalandi
it.fmuser.org -> Italia
ja.fmuser.org -> Kijapani
ko.fmuser.org -> Kikorea
lv.fmuser.org -> Kilatvia
lt.fmuser.org -> Kilithuania
mk.fmuser.org -> Kimasedonia
ms.fmuser.org -> Kimalesia
mt.fmuser.org -> Kimalta
no.fmuser.org -> Kinorwe
fa.fmuser.org -> Kiajemi
pl.fmuser.org -> Kipolishi
pt.fmuser.org -> Kireno
ro.fmuser.org -> Kiromania
ru.fmuser.org -> Kirusi
sr.fmuser.org -> Mserbia
sk.fmuser.org -> Kislovakia
sl.fmuser.org -> Kislovenia
es.fmuser.org -> Kihispania
sw.fmuser.org -> Kiswahili
sv.fmuser.org -> Kiswidi
th.fmuser.org -> Thai
tr.fmuser.org -> Kituruki
uk.fmuser.org -> Kiukreni
ur.fmuser.org -> Kiurdu
vi.fmuser.org -> Kivietinamu
cy.fmuser.org -> Kiwelsh
yi.fmuser.org -> Yiddish
FMUSER Wirless Kusambaza Video Na Sauti Ni Rahisi Zaidi!
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