Hertz (Hz, MHz, GHz) mu Wireless Communications

Mukutaura kusingabatsiri, izwi rokuti "Hz" (iro rinomiririra "hertz," mushure mekuongorora masayendisiti ezana remakore remakore rechi19 Heinrich Hertz) rinoreva kuwandisa kwehuwandu hwemashoko eredhiyo mumakwikwi kwechipiri:

Makombiyuta asingasviki mamakombiyuta anoshandisa pakasiyana-siyana kwekufambisa, zvichienderana nekombiji yavanoshandisa. Nesimbi dzesimbi dzinoshandawo pamusoro pemaferensi akawanda (anonzi zvikwata ) pane imwe chaiyo inowanzo nhamba.

Nhandare inoshandisa yakadzama-wireless wireless radio communication haisi iyo inokurumidza kukurumidza kupfuura mitambo yevasingasviki yakadzika.

Hz mu Wi-Fi Networking

Wi-Fi miterevhizheni yose inoshanda mune ma 2.4GHz kana 5GHz mapoka. Aya ndiwo mararamiro eredhiyo anowanzozarurirwa kutaurirana kwevanhu (kureva,, zvisinei nemutemo) munyika dzakawanda.

Masangano e 2.4GHz Wi-Fi anotangira kubva ku 2.412GHz pamucheto wepasi kusvika ku 2.472GHz pamucheto wakakwirira (ane rimwe boka rinowedzera rutsigiro rukuru muJapan). Kutanga ne 802.11b uye kusvika kune yakapfuura 802.11ac , 2.4GHz Wi-Fi network vose vanogovera zviratidzo izvi zvakafanana uye vanobatana.

Wi-Fi yakatanga kushandisa madhigirii 5GHz achitanga ne 802.11a , kunyange zvazvo kushandiswa kwavo kukuru mumisha kwakatanga chete ne 802.11n . Mabhodhi e5GHz Wi-Fi anotangira kubva ku 5.170 kusvika ku5825GHz, uye mamwe mabhesi akawedzera anotsigirwa muJapan chete.

Mamwe Mhando Dzekusavhara Mifananidzo Dzakaenzaniswa muHz

Beyond Wi-Fi, funga nezveimwe mienzaniso yekutaura kusina foni:

Sei zvakasiyana-siyana zvakasiyana-siyana? Kune imwe, marudzi akasiyana-siyana ekukurukurirana anofanira kushandisa maitiro akaparadzana kuti arege kuwirirana nemumwe. Mukuwedzera, zviratidzo zvepamusoro-zvakadai sa 5GHz zvinogona kutakura zvinhu zvakakura zvematare (asi, mukudzoka, ine zvipingamupinyi zvakakura pamuganhu uye zvinoda humwe simba kuti upinde maitiro).