-
Kumumanaʻo Antenna - Beamwidth
Ma ke ʻano hoʻolaha o kahi antenna, hōʻike ka lobe nui i ke kukuna nui o ka antenna, kahi e hoʻolaha ʻia ai ka ikehu kiʻekiʻe loa a me ka nui loa. ʻO ka laulā kukuna ka laulā angular o ka puka ma o kahi e hoʻolaha ʻia ai ka hapa nui o ka mana. ʻO nā mea nui ʻelua ...E heluhelu hou aku -
ʻO ke Kumumanaʻo Antenna - Nā Kukui a me ka Polarization
Kūkākūkā kēia mokuna i nā palena o nā kukuna radiation antenna, e kōkua iā mākou e hoʻomaopopo i nā kikoʻī kukuna. ʻĀpana Kukui Wahi a ka wehewehe maʻamau: "Inā noho ka ikaika radiation P(θ,ϕ) ma kona waiwai kiʻekiʻe loa ma luna o...E heluhelu hou aku -
Kumumanaʻo Antenna — Pāhawewe Isotropic
Ma ka mokuna ma mua, ua kūkākūkā mākou i nā ʻano hoʻoheheʻe. No ka nānā pono ʻana i ka hoʻoheheʻe antenna, pono kahi kiko kuhikuhi. Hoʻokō ka hoʻoheheʻe o kahi antenna isotropic i kēia kuleana. Wehewehena ʻO ka hoʻoheheʻe isotropic e pili ana i ka hoʻoheheʻe mai kahi kiko kumu...E heluhelu hou aku -
Kumumanaʻo Antenna - Nā ʻano hoʻohālikelike radiation
ʻO ka radiation kahi huaʻōlelo e wehewehe ana i ka ikaika o nā nalu electromagnetic i hoʻouna ʻia a loaʻa paha e kahi antenna. Ma kekahi kiʻi antenna, ʻo ke kiʻikuhi e hōʻike ana i nā ʻano radiation o ka antenna ua ʻike ʻia ʻo ia kona ʻano radiation. Ma ka nānā ʻana i ka radiation p...E heluhelu hou aku -
Kumumanaʻo Antenna - Kahua Kokoke a me ke Kahua Mamao
Ma hope o ke kūkākūkā ʻana o nā ʻano antenna kumu i ka mokuna ma mua, ʻo kekahi kumuhana koʻikoʻi e noʻonoʻo ai ʻo ia nā wahi kokoke a me nā wahi mamao o kahi antenna. ʻOkoʻa ka ikaika o ka radiation i ana ʻia kokoke i ka antenna mai ka mea i ana ʻia ma kahi mamao. ...E heluhelu hou aku -
Kumumanaʻo Antenna - Nā Kūlana Kumu
Hoʻolauna kēia mokuna i nā ʻano kumu o ke kamaʻilio uea ʻole, me ka manaʻo e hāʻawi i kahi ʻike maikaʻi aʻe i ke kuleana o nā antennas i nā ʻōnaehana kamaʻilio. Hoʻokō ʻia ke kamaʻilio uea ʻole ma ke ʻano o nā nalu electromagnetic, e lilo ia i mea nui e hoʻomaopopo...E heluhelu hou aku -
ʻO ke Alakaʻi Loa i nā Antennas: Pehea e Hana ai nā Antennas
He mea kamaʻilio maʻamau nā antenna i ko kākou ola. Eia nō naʻe, ʻaʻole maopopo maoli ka hapa nui o ka poʻe iā lākou, malia paha ʻike wale lākou ua hoʻohana ʻia lākou e hoʻouna a loaʻa i nā hōʻailona. ʻO ka mea maʻamau, ʻoiai ua hoʻokumu pono ka ʻepekema Lūkini ʻo Popov i ka antenna i ka makahiki 18...E heluhelu hou aku -
AESA vs PESA: Pehea e hoʻololi nei nā hoʻolālā antenna hou i nā ʻōnaehana radar
ʻO ka ulu ʻana mai ka Passive Electronically Scanned Array (PESA) a i ka Active Electronically Scanned Array (AESA) ke hōʻike nei i ka holomua koʻikoʻi loa i ka ʻenehana radar hou. ʻOiai ʻo nā ʻōnaehana ʻelua e hoʻohana ana i ka hoʻokele kukuna uila, ʻokoʻa kā lākou mau hoʻolālā kumu...E heluhelu hou aku -
He mau hawewe lekiō a i ʻole nā microwaves 5G?
ʻO kahi nīnau maʻamau i ke kamaʻilio uea ʻole, inā paha e hana ana ʻo 5G me ka hoʻohana ʻana i nā microwave a i ʻole nā hawewe lekiō. ʻO ka pane: Hoʻohana ʻo 5G i nā mea ʻelua, ʻoiai ʻo nā microwave he ʻāpana o nā nalu lekiō. Hoʻopuni nā nalu lekiō i kahi ākea ākea o nā alapine electromagnetic, mai 3 kHz a 30...E heluhelu hou aku -
ʻO ka Evolution o nā Antennas Base Station: Mai 1G a i 5G
Hāʻawi kēia ʻatikala i kahi loiloi ʻōnaehana o ka ulu ʻana o ka ʻenehana antenna kikowaena ma waena o nā hanauna kamaʻilio kelepona, mai 1G a i 5G. Hōʻike ia i ke ʻano o ka loli ʻana o nā antennas mai nā transceivers hōʻailona maʻalahi i nā ʻōnaehana paʻakikī e hōʻike ana i ke akamai ...E heluhelu hou aku -
Pehea e hana ai kahi Antenna Microwave? Ua wehewehe ʻia nā kumumanaʻo a me nā ʻāpana
Hoʻololi nā antennas microwave i nā hōʻailona uila i nā nalu electromagnetic (a me ka ʻaoʻao ʻē aʻe) me ka hoʻohana ʻana i nā ʻano hana i hana ʻia me ka pololei. Pili kā lākou hana ma luna o ʻekolu mau kumumanaʻo koʻikoʻi: 1. Electromagnetic Wave Transformation Transmit Mode: Nā hōʻailona RF mai kahi transmitter ...E heluhelu hou aku -
He aha ka laulā o kahi Antenna Microwave? Nā kumu koʻikoʻi a me ka ʻikepili hana
ʻO ka laulā kūpono o kahi antenna microwave e pili ana i kāna alapine (frequency band), ka loaʻa ʻana, a me ke ʻano noi. Aia ma lalo kahi wehewehe loea no nā ʻano antenna maʻamau: 1. Frequency Band & Range Correlation E-band Antenna (60–90 GHz): Pōkole, kiʻekiʻe ka mana l...E heluhelu hou aku
