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Awọn eriali Polarized Meji Lati RF MISO

Eriali iwo-meji-polarized le tan kaakiri ati gba awọn igbi itanna elegede ati inaro polariized lakoko ti o tọju ipo ipo ko yipada, nitorinaa aṣiṣe iyapa ipo eto ti o ṣẹlẹ nipasẹ yiyipada ipo eriali lati le pade awọn ibeere ti iyipada polarization ti yọkuro, ati ki eto išedede le dara si. Eriali iwo meji-polarized ni awọn anfani ti ere giga, itọsọna ti o dara, ipinya polarization giga, agbara agbara giga, ati bẹbẹ lọ, ati pe o ti ṣe iwadi ati lilo lọpọlọpọ. Eriali-polarized meji le ṣe atilẹyin polarization laini, elliptical polarization ati awọn fọọmu igbi polarization ipin.

Ipo Iṣiṣẹ:

Ipo gbigba
• Nigbati eriali ba gba igbi petele ti o ni ila, ibudo inaro nikan ni o le gba, ati ibudo petele ti ya sọtọ. ya sọtọ.

• Nigbati eriali ba gba elliptical tabi iyipo polarization igbi fọọmu, inaro ati petele ebute oko gba inaro ati petele irinše ti awọn ifihan agbara, lẹsẹsẹ. Ti o da lori apa osi-ọwọ ọwọ osi (LHCP) tabi polarization ipin-ọtun (RHCP) ti igbi igbi, yoo jẹ idinku ipele 90-degree tabi ilọsiwaju laarin awọn ebute oko oju omi. Ti o ba ti waveform ti wa ni daradara iyika polarized, awọn ifihan agbara titobi lati ibudo yoo jẹ kanna. Nipa lilo alasopọ arabara ti o yẹ (90 iwọn), paati inaro ati paati petele le ni idapo lati mu pada sipo ipin tabi elliptical igbi fọọmu.

Ipo Gbigbe
• Nigbati eriali ba jẹ ifunni nipasẹ ibudo inaro, o ntan ọna igbi polarization laini inaro kan.

• Nigbati eriali ti wa ni je nipasẹ awọn petele ibudo, o ndari petele ila polarization igbi fọọmu.

• Nigba ti eriali ti wa ni je si inaro ati petele ebute oko nipa a 90-ìyí alakoso iyato, dogba awọn ifihan agbara titobi, LHCP tabi RHCP igbi fọọmu ti wa ni gbigbe ni ibamu si awọn alakoso aisun tabi itesiwaju laarin awọn meji awọn ifihan agbara. Ti awọn titobi ifihan agbara ti awọn ebute oko oju omi meji ko ba dọgba, ọna igbi polarization elliptical ti wa ni gbigbe.

Ipo Gbigbe

• Nigbati a ba lo eriali ni ipo gbigbe ati gbigba, nitori ipinya laarin awọn ebute oko inaro ati petele, o le tan kaakiri ati gba ni akoko kanna.

RF MISOnfun meji jara ti meji-polarized eriali, ọkan da lori a Quad-ridge be ati awọn miiran da lori a Waveguide Ortho-Mode Transducer (WOMT). Wọn ti han ni Figure 1 ati Figure 2 lẹsẹsẹ.

olusin 1 Eriali oni-polarized Quad-ridged iwo eriali

olusin 2 Eriali iwo-pola meji ti o da lori WOMT

Awọn afijq ati iyato laarin awọn meji eriali ti wa ni han ni Table 1. Gbogbo soro, eriali ti o da lori Quad-ridge be le bo kan anfani bandiwidi ọna, maa siwaju sii ju awọn octave iye, gẹgẹ bi awọn 1-20GHz ati 5-50GHz. Pẹlu awọn ọgbọn apẹrẹ ti o dara julọ ati awọn ọna ṣiṣe deede-giga,RF MISOEriali meji-polarized ultra-wideband le ṣiṣẹ si awọn igbohunsafẹfẹ giga ti awọn igbi millimeter. Bandiwidi iṣẹ ti awọn eriali ti o da lori WOMT ni opin nipasẹ bandiwidi iṣiṣẹ ti itọsọna igbi, ṣugbọn ere rẹ, iwọn ina, awọn lobes ẹgbẹ ati polarization agbelebu / ipinya ibudo-si-ibudo le dara julọ. Lọwọlọwọ lori ọja, pupọ julọ awọn eriali-polarized meji ti o da lori WOMT ni 20% nikan ti bandiwidi iṣẹ ati pe ko le bo iye igbohunsafẹfẹ boṣewa igbi igbi. Eriali meji-polarized orisun WOMT apẹrẹ nipasẹRF MISOle bo ni kikun waveguide igbohunsafẹfẹ iye, tabi lori octave band. Ọpọlọpọ awọn awoṣe wa lati yan lati.

Table 1 Afiwera meji-polarized eriali

Nkan Quad-ridge Da WOMT Da
Eriali Iru Iwo onigun tabi onigun Gbogbo Orisi
Bandiwidi ti nṣiṣẹ Ultra-jakejado Band Waveguide bandiwidi tabi gbooro Igbohunsafẹfẹ WG
jèrè 10 si 20dBi Yiyan, to 50dBi
Awọn ipele Lobe ẹgbẹ 10 si 20dB Isalẹ, eriali iru ti o gbẹkẹle
Bandiwidi Iwọn jakejado laarin bandiwidi Ṣiṣẹ Diẹ idurosinsin ni kikun iye
Cross polarization ipinya 30dB Aṣoju Ga, 40dB Aṣoju
Ibudo si ipinya ibudo 30dB Aṣoju Ga, 40dB Aṣoju
Ibudo Iru Coaxial Coaxial tabi waveguide
Agbara Kekere Ga

Eriali iwo-polarized quad-ridge meji jẹ o dara fun awọn ohun elo nibiti iwọn wiwọn ṣe gba ọpọlọpọ awọn ẹgbẹ igbohunsafẹfẹ igbi, ati pe o ni awọn anfani ti ultra-wideband ati idanwo iyara. Fun awọn eriali meji-polarized ti o da lori WOMT, o le yan ọpọlọpọ awọn oriṣi eriali, gẹgẹ bi iwo conical, iwo jibiti, ṣiṣii ti pari waveguide, iwo lẹnsi, iwo scalar, iwo corrugated, iwo ifunni corrugated, eriali Gaussian, eriali satelaiti, ati bẹbẹ lọ. Orisirisi awọn eriali ti o dara fun eyikeyi ohun elo eto le ṣee gba.RF MISOle pese ipin si onigun merin igbi iyipada module lati fi idi kan taara asopọ laarin eriali pẹlu boṣewa ipin waveguide ni wiwo ati ki o kan WOMT pẹlu square waveguide ni wiwo. Awọn eriali iwo-polarization meji ti o da lori WOMT peRF MISOle pese ti wa ni han ni Table 2.

Table 2 Meji-polarized eriali da lori WOMT

Meji-polarized eriali Orisi Awọn ẹya ara ẹrọ Awọn apẹẹrẹ
WOMT+Standard Horn • Pipese itọnisọna igbi ti o ni kikun ati bandiwidi WG Igbohunsafẹfẹ gbooro

• Igbohunsafẹfẹ ibora to 220 GHz

• Awọn lobes ẹgbẹ kekere

• Awọn iye ere yiyan ti 10, 15, 20, 25 dBi

 

 

 

https://www.rf-miso.com/dual-polarized-horn-antenna-20dbi-typ-gain-75ghz-110ghz-frequency-range-product/

 

 

 

RM-DPHA75110-20, 5-110GHz

WOMT+ Corrugated Feed Horn • Pipese itọnisọna igbi ti o ni kikun ati bandiwidi WG Igbohunsafẹfẹ gbooro

• Igbohunsafẹfẹ ibora to 220 GHz

• Awọn lobes ẹgbẹ kekere

Iyasọtọ polarization kekere agbelebu

• Awọn iye ere ti 10 dBi

https://www.rf-miso.com/dual-polarized-horn-antenna-10dbi-typ-gain-24ghz-42ghz-frequency-range-product/ 

RM-DPHA2442-10, 24-42GHz

Lati ni imọ siwaju sii nipa awọn eriali, jọwọ ṣabẹwo:


Akoko ifiweranṣẹ: Oṣu Kẹsan-13-2024

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