I-antenna yeHorn yenye yee-antenna ezisetyenziswa kakhulu ezinesakhiwo esilula, uluhlu olubanzi lwee-frequency, amandla amakhulu kunye nokwanda okuphezulu.Ii-eriyali zeempondoZihlala zisetyenziswa njengee-antenna zokuphakela kwi-radio astronomy enkulu, ukulandelela i-satellite, kunye nee-antenna zonxibelelwano. Ukongeza ekusebenzeni njenge-feed yee-reflectors kunye neelensi, yinto eqhelekileyo kwi-phased arrays kwaye isebenza njengomgangatho oqhelekileyo wokulinganisa kunye nokulinganisa i-gain yezinye ii-antenna.
I-antenna yempondo yenziwa ngokuvula kancinci i-waveguide engunxande okanye i-waveguide ejikelezayo ngendlela ethile. Ngenxa yokwanda kancinci komphezulu womlomo we-waveguide, ukufana phakathi kwe-waveguide kunye nendawo ekhululekileyo kuyaphuculwa, okwenza i-reflection coefficient ibe ncinci. Kwi-waveguide engunxande eyondliwe, ukuhanjiswa kwemowudi enye kufuneka kufezekiswe kangangoko kunokwenzeka, oko kukuthi, kuphela amaza e-TE10 adluliselwayo. Oku akugcini nje ngokugxininisa amandla esignali kwaye kunciphisa ukulahleka, kodwa kukwathintela impembelelo yokuphazamiseka phakathi kwemowudi kunye nokusasazwa okongezelelweyo okubangelwa ziimowudi ezininzi.
Ngokweendlela ezahlukeneyo zokusasazwa kwee-antennas zephondo, zingahlulwahlulwa zibeii-eriyali zeempondo zecandelo, ii-antenna ze-pyramid horn,ii-eriyali zephondo eliyi-conical, ii-eriyali zeempondo ezirhabaxa, ii-antenna zeempondo ezinee-ridged, ii-antenna zeempondo zeendlela ezininzi, njl. Ezi antenna ziqhelekileyo zeempondo zichazwe ngezantsi. Intshayelelo nganye nganye
I-antenna yephondo lecandelo
I-antenna yecandelo le-e-plane
I-antenna ye-E-plane sector horn yenziwe nge-waveguide engunxande evulwe kwi-engile ethile kwicala lentsimi yombane.
Umfanekiso ongezantsi ubonisa iziphumo zokulinganisa ze-antenna ye-E-plane sector horn. Kuyabonakala ukuba ububanzi bomqadi wale patheni kwicala le-E-plane buncinci kunecala le-H-plane, okubangelwa kukuvuleka okukhulu kwe-E-plane.
I-antenna yephondo lecandelo le-H-plane
I-antenna ye-H-plane sector horn yenziwe nge-waveguide engunxande evulwe kwi-engile ethile kwicala le-magnetic field.
Umfanekiso ongezantsi ubonisa iziphumo zokulinganisa ze-antenna ye-H-plane sector horn. Kuyabonakala ukuba ububanzi bomqadi wale patheni kwicala le-H-plane buncinci kunecala le-E-plane, okubangelwa kukuvuleka okukhulu kwe-H-plane.
Iimveliso ze-antenna zephondo le-RFMISO kwicandelo:
RM-I-SWHA187-10
RM-I-SWHA28-10
I-Antenna yePiramidi yeempondo
I-antenna yephiramidi yenziwe nge-waveguide engunxande evuleka kwi-engile ethile kumacala amabini ngaxeshanye.
Umfanekiso ongezantsi ubonisa iziphumo zokulinganisa ze-antenna ye-pyramidal horn. Iimpawu zayo zokukhanya ziyindibaniselwano yee-E-plane kunye nee-H-plane sector horns.
I-antenna yephondo eliyi-conical
Xa isiphelo esivulekileyo se-waveguide esijikelezayo simile okwephondo, sibizwa ngokuba yi-antenna ye-conical horn. I-antenna ye-cone horn ine-aperture ejikelezayo okanye e-elliptical ngaphezulu kwayo.
Umfanekiso ongezantsi ubonisa iziphumo zokulinganisa ze-antenna ye-conical horn.
Iimveliso ze-antenna ze-RFMISO zophondo oluyi-conical:
RM-CDPHA218-15
I-RM-CDPHA618-17
I-antenna yophondo olugobileyo
I-antenna ye-corrugated horn yi-antenna ye-horn enomphezulu wangaphakathi we-corrugated. Inezibonelelo ze-wide frequency band, i-cross-polarization ephantsi, kunye nokusebenza kakuhle kwe-beam symmetry, kodwa ulwakhiwo lwayo luyinkimbinkimbi, kwaye ubunzima bokucubungula kunye neendleko ziphezulu.
Ii-antenna ze-corrugated horn zinokwahlulwa zibe ziintlobo ezimbini: ii-antenna ze-pyramidal corrugated horn kunye nee-antenna ze-conical corrugated horn.
Iimveliso ze-antenna ze-RFMISO ezirhabaxa:
RM-CHA140220-22
I-antenna ye-pyramidal corrugated horn
I-antenna yophondo oluyi-conical corrugated
Umfanekiso ongezantsi ubonisa iziphumo zokulinganisa ze-antenna ye-corrugated horn ekhonkxiweyo.
I-antenna yophondo olugobileyo
Xa i-antenna ye-horn eqhelekileyo isebenza ngaphezu kwe-15 GHz, i-back lobe iqala ukuqhekeka kwaye inqanaba le-side lobe liyakhula. Ukongeza isakhiwo se-ridge kwi-speaker cavity kunokunyusa i-bandwidth, ukunciphisa i-impedance, ukwandisa i-gain, kunye nokuphucula indlela i-radiation ehambelana ngayo.
Ii-antenna ze-Ridged horn zahlulwe ngokubanzi zibe zii-antenna ze-double-ridged horn kunye nee-antenna ze-four-ridged horn. Oku kulandelayo kusebenzisa i-antenna ye-pyramidal double-ridged horn eqhelekileyo njengomzekelo wokulinganisa.
I-Antenna yePiramidi yeDouble Ridge Horn
Ukongeza izakhiwo ezimbini ze-ridge phakathi kwenxalenye ye-waveguide kunye nenxalenye yokuvula i-horn yi-antenna ye-double-ridge horn. Icandelo le-waveguide lahlulwe laba yi-back cavity kunye ne-ridge waveguide. I-back cavity ingahluza ii-higher-order modes ezivuselelwe kwi-waveguide. I-ridge waveguide inciphisa i-cutoff frequency ye-main mode transmission, ngaloo ndlela ifezekisa injongo yokwandisa i-frequency band.
I-antenna ye-horn enamaqhuqhuva incinci kune-antenna ye-horn eqhelekileyo kwibhendi efanayo ye-frequency kwaye inenzuzo ephezulu kune-antenna ye-horn eqhelekileyo kwibhendi efanayo ye-frequency.
Umfanekiso ongezantsi ubonisa iziphumo zokulinganisa ze-antenna ye-pyramidal double-ridged horn.
I-antenna yophondo lwe-Multimode
Kwiinkqubo ezininzi, ii-antenna ze-horn ziyafuneka ukuze zibonelele ngeepateni ezilinganayo kuzo zonke iiplane, ukudibana kwe-phase center kwiplane ze-$E$ kunye ne-$H$, kunye nokucinezelwa kwe-side lobe.
Ulwakhiwo lwe-multi-mode excitation horn lunokuphucula isiphumo sokulinganisa umqadi wendiza nganye kwaye lunciphise inqanaba le-side lobe. Enye yezona antenna zixhaphakileyo ze-multimode horn yi-dual-mode conical horn antenna.
I-Antenna yePondo eNye eKhonkcezisiweyo yeMowudi eBini
Uphondo lwekhoni oluneendlela ezimbini luphucula ipateni yeplane ye-$E$ ngokwazisa imo ye-TM11 yemodi yolandelelwano oluphezulu, ukuze ipatheni yayo ibe neempawu zemitha ezilinganayo ezilinganayo. Umfanekiso ongezantsi ngumzobo weskimu wokusasazwa kwentsimi yombane ye-aperture yemo ye-TE11 yemodi ephambili kunye nemo ye-TM11 yemodi yolandelelwano oluphezulu kwi-waveguide ejikelezayo kunye nokusasazwa kwayo kwentsimi ye-aperture eyenziweyo.
Indlela yokwenziwa kwesakhiwo se-dual-mode conical horn ayiyonto ingaqhelekanga. Iindlela eziqhelekileyo zokusetyenziswa ziquka i-Potter horn kunye ne-Pickett-Potter horn.
Umfanekiso ongezantsi ubonisa iziphumo zokulinganisa ze-antenna yePotter enemowudi ezimbini ejikelezileyo.
Ixesha lokuthumela: Matshi-01-2024
