Pehea ka hana ʻana o ka Global Positioning System (GPS) a me nā mea e hiki ai iā ʻoe ke hahai me ia?

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Pehea ka hana ʻana o ka Global Positioning System (GPS) a me nā mea e hiki ai iā ʻoe ke hahai me ia?

Pehea e hana ai ka GPS a me ka nānā pū me ia

He aha ke GPS?

ʻO ka Global Positioning System (GPS) kahi kikowaena hoʻokele kikowaena e hana ana i ka ʻike a me ka wā ʻike i nā wahi a me nā kūlana o ke aniani no kāna mea hoʻohana. Ua kūkulu ʻia ia mai loko mai o nā mea pili o 24 mau satelite a me kā lākou mau kikowaena papa, ʻo ka Pūnaehana GPS ka waihona kālā nui a mālama ʻia e ka US Defense Department of Defense. Hoʻohana ʻia ʻo GPS no ka hoʻokele ʻana i nā kaʻa me nā moku, nā mokulele, nā kaʻa, nā kaʻa a me nā ukana. Hāʻawi kēia ʻōnaehana i nā mana maikaʻi no nā pūʻali koa a me nā poʻe lehulehu a puni ka honua, GPS e hoʻolako i ka mau manawa maoli, 3D kūlana a me ka hoʻokele me ka manawa o ka honua. Hiki ke ʻōlelo ʻia iā ia o nā māhele ʻekolu.

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ʻO GPS ke ʻano o ka loaʻa ʻana o ka wahi kūpono o kahi mea a i ʻole kanaka. Aia kahi ʻōnaehana GPS mākaukau, no ka laʻana, hiki ke kau ʻia ma loko o kahi kaʻa (ʻO ke kaʻa), ma kahi ʻano GPS kūikawā e like me PDA a i ʻole ma ka polokalamu kelepona paha. Hiki iā ia ke hana paʻa a i ʻole ʻae ʻia, ke hana ʻia ma ka hāʻawi ʻana i kahi wahi kūpono. Hiki iā ia ke mālama pū i ka neʻe o nā mea a me nā kānaka. No ka laʻana, hiki i kahi makua ke hoʻohana i ka GPS e nānā i ka neʻe ʻana o kā lākou poʻe keiki i ko lākou ala i ke kula a i ʻole hiki ke hoʻohana ʻia e nā lawelawe courier e nānā i ka neʻe ʻana o ka lawe kākā.

ʻŌnaehana ʻōnaehana ʻōnaehana GPS

Hoʻohana ka ʻōnaehana GPS i ka pūnaewele ʻo Global Navigation Satellite System (GNSS). ʻO kēia kahi pūnaewele e hoʻopili i kahi laulā o nā satellite e hoʻohana ana i nā hōʻailona microwave i lawe ʻia i kahi GPS e hiki ai i ka hāmeʻa ke hāʻawi i ka ʻike e pili ana i kona wikiwiki, kahi a me kona wahi me ke kuhikuhi. No laila, hiki i kahi ʻōnaehana GPS ke hāʻawi i ka hoʻokele mōʻaukala a me ka ʻikepili manawa maoli i kēlā me kēia ʻano huakaʻi. Hāʻawi ʻo GPS i nā hōʻailona ukali kūikawā e hana ʻia e nā mea loaʻa, ʻaʻole hiki i kēia mau mea lawe ke hoʻopaʻa i kahi o kahi hōʻailona akā hiki ke helu i ka wikiwiki e neʻe nei no kahi mea i ka neʻe a me ka manawa o kahi e waiho ai. Hiki ke kikoʻī kikoʻī ʻia ke kūlana kikoʻī me ka hoʻohana ʻana i nā hōʻailona ukali 4 GPS e hana i ka ʻike 3D, aia ma ka ʻāpana hakahaka ʻo 24 satellite GPS e hana ana a me 3 mau satelite keu inā ʻaʻole e kō kekahi a ʻoi paha. Ke neʻe nei kēlā me kēia ukali a puni ka honua i kēlā me kēia 12 hola i ka lawe ʻana i nā lekiō lekiō i loaʻa i nā mea loaʻa GPS.

Pehea e hoʻoholo ai ʻo GPS i kahi kūlana

Hoʻokumu ʻia ke kumumanaʻo hana o ka GPS ma luna o ke kumumanaʻo makemakika i kapa ʻia ʻo "trilateration". Hāʻule ka Trilateration i 2D a me 3D mau ʻano, i mea e hana ai i ka helu makemakika kūpono loa e ʻike ai ka mea loaʻa GPS i ʻelua mau mea. ʻO ka mua kahi o kahi ma lalo o ka palena iki o ʻekolu mau ukali a ʻo ka lua, pono ia e ʻike i ka mamao ma waena o ke kūlana a me nā satellite. Hana kēia mau mea āpau me nā hōʻailona i hoʻouna ʻia e hoʻohana ana i nā nalu electromagnetic e neʻe i ka wikiwiki o ke kukui, e hana kēia mau hana i kekona. Hoʻoholo ʻia ke kūlana ma kahi mamao aku mai kahi mamao o ka ukali e ana ʻia, hoʻohana ʻia nā satellite he ʻehā e hoʻoholo ai i ke kūlana o ka mea loaʻa ma ka honua. Hana ʻia ka hōʻoia e ka hāhā satelite. Hoʻohana ʻia nā koena ʻekolu mau ukali e huli ai i ka wahi o ka honua ma muli o ka GPS me ka ukali, kahi hoʻonohonoho a me nā wahi nānā. Lawe ka mea loaʻa GPS i kahi o ka mea mai ka ukali a hoʻohana i kahi hana i kapa ʻia ʻo "triangulation" e hoʻoholo ai i kahi kikoʻī o ka mea hoʻohana a mea paha.

Kekahi mau hoʻohana a me ka noi ʻana o GPS

  1. Hoʻoihue o ka neʻe; hiki paha iā ʻoe ke nalo a i ʻole e ʻimi ana i kahi wahi kūikawā ma kahi wahi i ʻike ʻole ʻia e hoʻohana, hiki iā ʻoe ke hoʻohana iā GPS i ke ala i kou ala i kou hele ʻana
  2. ʻO ka hoʻoholoʻana o ka mamao ma waena o nā kime ʻelua, hiki ke hoʻohana i ka GPS i ke koho i ka mamao kūpono ma waena o nāʻaoʻao ʻelua
  3. E hana i kahi palapala ʻāʻālua o kahi wahi no ka hoʻohana maʻamau, hana ʻia ka palapala google a me nā ʻano palapala ʻē aʻe me ka hoʻohana ʻana i kahi ʻōnaehana GPS a me nā ʻōnaehana ʻē aʻe.
  4. E hoʻoholo i ka wahi kūlana; no ka mea, he koa kaua o ka kaua e kiʻi i ka lele a me ka uila, pono e hana ʻia kahi pili radio a i hoʻohana ʻia e GPS e kuhikuhi i kahi wahi kūikawā no ka koho.

ʻO ka ʻōnaehana holomua ma kahi ʻano like ʻole

Hiki i ka ʻōnaehana GPS mākaʻikaʻi ke hana ma nā ala like ʻole, mai kahiʻike kūʻai, e like me ka mea i haʻi ʻia ma mua; Hoʻohana ʻia ka GPS e hoʻopaʻa i ka wahi o nā kaʻa mai nā hui ʻoiai lākou e hoʻokele ai i kā lākou huakaʻi huakaʻi no kā lākou wahi. Mālama kekahi ʻōnaehana i kā lākou wahi i kēlā manawa i kēia manawa i kahi loiloi o ka lāʻau hoʻomanaʻo ma ke kākuhi GPS i ʻike ʻia, ʻike ʻia kēia mea he passive track. ʻO kahi ʻano ʻē aʻe, ʻo ia ka hana maʻa, ma kēia ʻike kahi i hoʻouna ʻia ai i kahi waihona i kēlā me kēia manawa i ka manawa maʻamau, hana pinepine kēia. E kōkua mau ana ʻo GPS loea i ka mākaʻi ʻana mai ka mākaʻina ʻana o nā mākaʻi mai neʻi mai kahi inā ke ʻaihue ʻia ka kaʻa, e kōkua ka ʻōnaehana nānā i ka wahi i lawe ʻia ai.

Hōʻea ke kelepona paʻalima, ua lōʻihi ka mea i ʻike ʻia e nā polokalamu kelepona i ke kumu mua o ka hoʻokomo ʻana i nā mea hoʻohana inā he ʻeleʻele lākou. ʻOi aku ka maikaʻi o nā kelepona i kēia lā a hāʻawi i ka mea ʻoi aku ka maikaʻi ma mua o ka lawe ʻana a i ʻole e hoʻouna ʻia i nā leka ma o ka pōkole Short Message Service (SMS). ʻO ka mālama kelepona kelepona GPS ka holomua nui i ka ʻenehana. Ke hoʻomau nei nā kelepona kelepona i nā nalu radio a ʻaʻole hoʻi i hoʻohana ʻia, he hana mau kēia e ka poʻe lawe loea e loaʻa ai kahi kelepona i kēlā me kēia manawa. Ma kēia mau manawa hou ua hoʻohui ʻia ka hana GPS i kēia mau hana lima a i kēia manawa ʻaʻole i maʻalahi ka maʻalahi o ka nānā ʻana i nā kelepona, ke hoʻohana ʻana nā satelite i nā satelite e ʻimi pono i kahi lako. Hoʻokumu ʻia ka ʻenehana kikowaena i ka ʻike ʻana i ke kaha o ka mana a me ka papa hana antenna ma ka mea ʻo ke kelepona pūnaewele mau e kamaʻilio kelepona ʻia me ka hale waihona kikowaena kokoke loa, ʻike ʻoe i ke kahua kahi mea e kamaʻilio ana me kahi ʻike e ʻike ʻo ia kahi mamao mamao ma ka pae kikoʻī a hiki i ka 50m.

ʻO ka mea nui o ka ʻōnaehana GPS

Ma o kā mākou mau hōkū loiloi kanaka, ʻike kākou i ka wahi a mākou a me hea mākou e hele ai i kēlā me kēia manawa i kēlā me kēia manawa. ʻO ka hana a me ka noho ʻana i pilikia ma ke kanaka i ka wā kahiko, ua hana maʻalahi ʻia kēia ma kēia manawa i nā manawa āpau ke mahalo ʻia i ka ʻōnaehana GPS. GPS i loko o nā kaʻa, nā moku, nā mokulele a me nā wahi ukana hoʻi i maʻalahi i ka hoʻokele. Ke alaloa ka lewa (autopilot) hiki wale nō ma muli o GPS.

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