Mu gawo la uinjiniya wa microwave, magwiridwe antchito a antenna ndi chinthu chofunikira kwambiri pakuzindikira magwiridwe antchito ndi magwiridwe antchito a makina olumikizirana opanda zingwe. Chimodzi mwa mitu yomwe ikukambidwa kwambiri ndichakuti ngati phindu lalikulu limatanthauza antenna yabwino. Kuti tiyankhe funso ili, tiyenera kuganizira mbali zosiyanasiyana za kapangidwe ka antenna, kuphatikiza mawonekedwe a **Microwave Antenna**, **Antenna Bandwidth**, ndi kufananiza pakati pa ukadaulo wa **AESA (Active Electronically Scanned Array)** ndi **PESA (Passive Electronically Scanned Array)**. Kuphatikiza apo, tiwonanso ntchito ya **1.70-2.60Antena ya GHz Standard Gain Horn** pomvetsetsa phindu ndi tanthauzo lake.
Kumvetsetsa Kupeza kwa Antena
Kupeza ma antenna ndi muyeso wa momwe antenna imatsogolera kapena kuyika mphamvu ya ma radio frequency (RF) bwino mbali inayake. Nthawi zambiri imawonetsedwa mu ma decibel (dB) ndipo imagwira ntchito ya radiation pattern ya antenna. Antenna yochuluka kwambiri, monga **Antena ya Horn ya Standard Gain** imagwira ntchito mu **1.70-2.60 GHz**, imayang'ana mphamvu mu kuwala kopapatiza, komwe kungathandize kwambiri kulimbitsa mphamvu ya chizindikiro ndi kulumikizana mbali ina. Komabe, izi sizikutanthauza kuti kukwera kwamphamvu nthawi zonse kumakhala bwino.
RFmisoAntena ya Horn ya Standard Gain
RM-SGHA430-10(1.70-2.60GHz)
Udindo wa Bandwidth ya Antenna
**Antena Bandwidth** imatanthauza kuchuluka kwa ma frequency omwe antenna ingagwire ntchito bwino. Antena yothandiza kwambiri ikhoza kukhala ndi bandwidth yopapatiza, zomwe zimalepheretsa kuthekera kwake kuthandizira ma wideband kapena ma multi-frequency application. Mwachitsanzo, antenna yothandiza kwambiri ya 2.0 GHz ingavutike kuti igwire ntchito pa 1.70 GHz kapena 2.60 GHz. Mosiyana ndi zimenezi, antenna yothandiza kwambiri yokhala ndi bandwidth yotakata ikhoza kukhala yosinthasintha, zomwe zimapangitsa kuti ikhale yoyenera kugwiritsa ntchito ma frequency agile.
RM-SGHA430-15（1.70-2.60GHz)
Kutsogolera ndi Kuphimba
Ma antenna amphamvu kwambiri, monga ma parabolic reflectors kapena ma antenna a horn, amagwira ntchito bwino kwambiri mu njira zolumikizirana za point-to-point komwe kufunikira kwa chizindikiro ndikofunikira kwambiri. Komabe, pazochitika zomwe zimafuna kufalikira kwa mbali zonse, monga kuwulutsa kapena ma netiweki am'manja, m'lifupi mwake mwa antenna wamphamvu kwambiri kungakhale vuto. Mwachitsanzo, pamene ma antenna angapo amatumiza zizindikiro kwa wolandila m'modzi, kuyanjana pakati pa kufalikira ndi kufalikira ndikofunikira kuti pakhale kulumikizana kodalirika.
RM-SGHA430-20(1.70-2.60 GHz)
AESA vs. PESA: Kupeza Bwino ndi Kusinthasintha
Poyerekeza ukadaulo wa **AESA** ndi **PESA**, phindu ndi chimodzi mwazinthu zambiri zofunika kuziganizira. Makina a AESA, omwe amagwiritsa ntchito ma module otumizira/kulandira payekha pa chinthu chilichonse cha antenna, amapereka phindu lalikulu, chiwongolero chabwino cha beam, komanso kudalirika kowonjezereka poyerekeza ndi makina a PESA. Komabe, kuchuluka kwa zovuta ndi mtengo wa AESA sikungakhale koyenera pa ntchito zonse. Makina a PESA, ngakhale kuti sasinthasintha, amathabe kupereka phindu lokwanira pazochitika zambiri zogwiritsidwa ntchito, zomwe zimapangitsa kuti akhale yankho lotsika mtengo kwambiri pazochitika zina.
Zofunika Kuganizira
Antenna ya **1.70-2.60 GHz Standard Gain Horn** ndi njira yotchuka yoyesera ndi kuyeza mu makina a microwave chifukwa cha magwiridwe ake odziwikiratu komanso kuchuluka kwake pang'ono. Komabe, kuyenerera kwake kumadalira zofunikira za pulogalamuyi. Mwachitsanzo, mu radar system yomwe imafuna kukwera kwakukulu komanso kuwongolera bwino kwa beam, AESA ingakhale yabwino. Mosiyana ndi zimenezi, njira yolumikizirana yopanda zingwe yokhala ndi zofunikira za wideband ingapangitse kuti bandwidth ikhale yofunika kwambiri kuposa kukwera.
Mapeto
Ngakhale kuti kukwera kwa maginito kungapangitse kuti maginito akhale amphamvu komanso azitha kufalikira, si chinthu chokhacho chomwe chimapangitsa kuti maginito agwire ntchito bwino. Zinthu monga **Antenna Bandwidth**, zofunikira pakuphimba, ndi zovuta za makina ziyeneranso kuganiziridwa. Mofananamo, kusankha pakati pa ukadaulo wa **AESA** ndi **PESA** kumadalira zosowa za pulogalamuyo. Pomaliza, antenna "yabwino" ndi yomwe imakwaniritsa bwino magwiridwe antchito, mtengo, ndi zofunikira pakugwira ntchito kwa makina omwe akugwiritsidwa ntchito. Kukwera kwa maginito ndi kopindulitsa nthawi zambiri, koma si chizindikiro cha antenna yabwino.
Kuti mudziwe zambiri zokhudza ma antenna, chonde pitani ku:
Nthawi yotumizira: Feb-26-2025
