Zvisinganzwisisike "Satellite Rain": Anopfuura mazana mashanu eStarlink LEO Satellite Akarasika kune Chiitiko cheSolar

Chiitiko: Kubva Kurasika Kwepanguva kuenda Kumvura Yakawanda

Kudzora kwakawanda kweStarlink's LEO satellite hakuna kuitika kamwe kamwe. Kubva pakatangwa chirongwa ichi muna 2019, kurasikirwa kwesetiraiti kwakatanga kushoma (2 muna 2020), zvinoenderana nemitengo yaitarisirwa. Nekudaro, 2021 yakaona spike inokatyamadza (78 kurasikirwa), ichiteverwa neyakasimudzirwa mazinga (99 muna 2022, 88 muna 2023). Dambudziko rakawedzera muna 2024 nemasatelliti mazana matatu negumi nematanhatu achipisa — huwandu hwemakore matatu apfuura - hunowedzera kurasikirwa mazana mashanu nemakumi masere nenhatu, zvakaenzana ne ~ 1 satellite yakarasika zuva nezuva kana 1 mugumi neshanu kutadza kupedzisa basa rayo.

Chiitiko cheSolar: The Invisible Culprit

Tsvagiridzo yeNASA inosimbisa kuwirirana kwakananga pakati pe satellite deorbiting uye solar kutenderera. Kuvhurwa kwe2019 kwakabatana nehushoma hwezuva, asi sekusimba kwezuva, kudhonzwa kwemuchadenga pa340-550km orbits kwakawedzera ne> 50% panguva yemadutu e geomagnetic. Izvi zvinoitika kana:

1. Sunspot-yakakonzeresa solar flares/coronal mass ejections inobhomba Pasi
2. Geomagnetic dutu rinopisa uye kuwedzera mhepo yekumusoro
3. Yakawedzerwa mamiriro ekunze anowedzera kudhonza, zvichikonzera kuora kwe orbital

Paradox: Madutu Asina Simba Anoratidza Kufa

Kusiyana nezvaitarisirwa, 70% yekurasikirwa kwakaitika panguva yepakati / isina simba geomagnetic dutu. Zviitiko izvi zvinorebesa (mazuva anogara/mavhiki) zvishoma nezvishoma zvinodzikisira nzira dzinotenderera kupfuura kupora, kusiyana nemadutu makuru asi mapfupi. Muenzaniso unoshamisa: makumi mana emakumi mana nemapfumbamwe eStarlink satellites akatanga muna Kukadzi 2022 akakundwa nemadutu asina simba anoramba aripo.

Low-Orbit Tradeoffs

Nepo Starlink's 550km orbits inogonesa yakaderera-latency kutaurirana, padyo nePasi:

1. Inomisa hupenyu hwekushanda kusvika ~ makore mashanu (vs. ISS's 400km orbit)
2. Inowedzera kudhonza mhedzisiro panguva ye solar maxima
3. Kunyanya kuisa mungozi ma satellites pa210km altitudes

Matambudziko Eramangwana

Ne> 6,000 Starlink satellites ikozvino inotenderera panguva yehukuru hwezuva - chiitiko chenhoroondo - masayendisiti anoyambira nezve:

1. Kuwedzera satellite kudzora
2. Inogona kupera ozone kubva kualuminium oxide emissions panguva yekupindazve SpaceX inoderedza kurasikirwa kuburikidza nekukasira kudzoreredza kuvhurwa uye otomatiki deorbit protocol, asi solar kutenderera kusimba kunoramba kuri chinhu chakakosha muindasitiri.

Mhedziso

Chiitiko ichi chinosimbisa hutongi hwechisikigo pamusoro petekinoroji yevanhu uye chinosimbisa kudiwa kweLEO masisitimu magadzirirwo ayo anokonzeresa cyclical solar pesvedzero.

Chengdu Concept Microwave Technology CO., Ltd inyanzvi inogadzira zvikamu zve5G/6G RF zvekukurukurirana nesatellite kuChina, kusanganisira iyo RF lowpass sefa, highpass sefa, bandpass sefa, notch sefa/bhendi stop filter, duplexer,Simba divider uye directional coupler. Ese anogona kugadzirwa zvinoenderana nezvinodiwa zvako.

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