Sisitemu za Videwo zikoreshwa cyane na Ingiant Medium Frequency Slip-Ring

1. Incamake y'ibicuruzwa

Iyi nyandiko ivuga ku gice kidasanzwe, cyakozwe mu buryo bwihariye, gikozwe mu buryo bwihariye, cyagenewe kohereza ibimenyetso bya RF mu buryo buhoraho mu miyoboro izenguruka. Iki gikoresho gishyigikira imiyoboro itatu yigenga ya 50Ω mu buryo bwa frequency ya 1–5.25GHz, bigatuma kiba kibereye radar, itumanaho rya satelite, intebe zo gupima intambara mu buryo bw'ikoranabuhanga, sisitemu zo gushyira antene aho zihagarara, na turntable zo gupima mikoroonde.

Bitandukanye n'impeta zisanzwe zohereza ingufu cyangwa ibimenyetso bihindagurika buhoro, iyi mpande izunguruka irinda ubusugire bw'ibimenyetso - harimo gutakaza ingufu, VSWR, kwitandukanya, no kudahungabana mu cyiciro - mu gihe cyose cyo kuzenguruka kwa dogere 360. Ihuza imbogamizi z'ibanze mu buhanga bwo kubungabunga imikorere ya RF hagati y'ibikoresho bihoraho n'ibizunguruka nta guhindagurika kw'insinga, umunaniro wo kunama, cyangwa guhagarika ibimenyetso.

2. Imbonerahamwe yuzuye y'ibipimo

Ibipimo bya tekiniki n'ibidukikije

3. Gusobanura Ibipimo by'ingenzi mu by'Ubwubatsi

3.1 Ingano y'inshuro: 1 – 5.25 GHz

Uru rwego rukubiyemo itsinda rya L (1–2 GHz), itsinda rya S (2–4 GHz), n'igice cyo hasi cya itsinda rya C (4–5.25 GHz). Porogaramu zisanzwe zirimo:

• L-band: GPS, BeiDou, IFF (Inshuti cyangwa Umwanzi wihariye), radar igenzura ikirere
• S-band: radar y'ikirere, radar yo kugenzura ubwato, itumanaho rya satelite
• C-band: hari imirongo ya televiziyo ya satelite, imirongo ya microwave ikoreshwa mu ntera ndende

Verisiyo zihariye zishobora kongera uburyo bwo gukwirakwiza amakuru kuva kuri DC kugeza kuri 18 GHz, 26.5 GHz, cyangwa 40 GHz, cyangwa kugabanya umugozi kugira ngo hakorwe neza igihombo na VSWR.

3.2 Ingufu zisanzwe: 10W kuri buri muyoboro

Igipimo cya 10W continuous wave (CW) gikoreshwa mu gihe cy’umutwaro uhuye n’ubushyuhe bw’icyumba. Ku bimenyetso bya pulsed bifite cycles nke (urugero, radar ifite cycle ya 1%), ingufu nyinshi zishobora kugera kuri watts amagana. Imicungire y’ubushyuhe iba ingenzi cyane hejuru ya 10W, kandi ingufu nyinshi (50W, 100W) ziraboneka binyuze mu guhindura imiterere yihariye harimo kongera ubushyuhe no kuvugurura ibikoresho bya dielectric.

3.3 Impinduka za VSWR na VSWR

VSWR ya 1.5 ifatwa nk'iy'ingirakamaro cyane ku gice gizunguruka hejuru y'umurongo wa multi-octave. Impinduka ya VSWR igaragaza uburyo guhuza impedance bihinduka mu gihe cyo kuzunguruka. Umuyoboro wa 1 ugera ku mpinduka ya ± 0.1 dB - ubushobozi bwo kwihanganira ibintu bukabije bugaragaza ubushobozi budasanzwe bwo gucengera no kudahindagurika kw'aho uhurira.

3.4 Impinduka mu gutakaza no gutakaza kw'inyongera

Igihombo cyo gushyiramo kirimo ibice bitatu:

• Kubura k'umuyoboro w'amashanyarazi (ingaruka z'uruhu ku muyoboro w'amashanyarazi wo hagati n'uw'inyuma)
• Kubura kwa dielectric (PTFE cyangwa ikindi kintu gikoreshwa muri mikoroonde)
• Gutakaza ubushobozi bwo gukoraho (ubudahangarwa bwo kuzenguruka kw'interuro)

Umuyoboro wa 1: Igihombo ntarengwa cya dB 1 hamwe n'impinduka za ± 0.3 dB
Umuyoboro wa 2: Igihombo ntarengwa cya 1.2 dB hamwe n'impinduka za ± 0.15 dB

Ishusho y'impinduka akenshi iba ingenzi kuruta igihombo cyuzuye muri sisitemu zihindagurika. Urugero, impinduka ya 0.15 dB isobanura impinduka ya ± 1.7% mu bushobozi bw'ikimenyetso mu gihe cyo kuzenguruka gukomeye - ntabwo ari ngombwa kuri sisitemu nyinshi zishingiye ku bushobozi nka automatic gain control loops cyangwa simple detectors.

3.5 Kwitandukanya: ≥50 dB

Gutandukanya bipimirwa hagati y’imiyoboro ibiri. Ku gipimo cya 50 dB nibura, amazi ava kuri Channel 1 ajya kuri Channel 2 (cyangwa se ku gipimo cyayo) agabanya ikimenyetso cya 10W kugeza kuri 0.1 mW. Uru rwego rutuma:

• Gukwirakwiza no kwakira ukwabyo muri sisitemu yuzuye ya duplex
• Umuyoboro muto wo mu gace usohokamo amaraso
• Kugabanuka kw'ibicuruzwa bihuza imikorere y'ikoranabuhanga mu bidukikije bitwara abantu benshi

3.6 Ihindagurika ry'icyiciro: ± 2° kugeza ± 4°

Gutuza kw'ibyiciro ni cyo kintu cy'ingenzi cyane gikoreshwa mu gushyiraho uburyo buhuriweho nka:

• Imirongo yo gupima urutonde rw'ibice ikorwa mu byiciro
• Gushaka icyerekezo hagati y'icyerekezo
• Radar zo gukurikirana za Monopulse
• Radar y'ubukonje bw'ubukorano (SAR)
• Imashini zipima zihuza

Kuri 5.25 GHz, impinduka y'icyiciro cya ± 2° ihuye n'impinduka z'uburebure bw'inzira ifatika ya hafi:
ΔL = (Δφ / 360 °) × λ = (2/360) × (299.8 / 5.25) ≈ 0.32 mm

Kugira ngo ugere ku butumburuke bwa ± 2° bisaba ko imirasire y’urumuri irenga 0.02 mm ikoreshwa neza kandi ifite ubuso bufatanye neza - ibi bigaragaza ko ikorwa neza kandi igenzura ubuziranenge.

3.7 Ibipimo bya tekiniki byasobanuwe

Umuvuduko wo kuzenguruka: 30 RPM ntarengwa
Ikwiriye ibyuma bizunguruka bya antene, ibyuma bipima, ibyuma bipima radar, na sensor zipima buhoro buhoro. Umuvuduko mwinshi (kugeza kuri 300 RPM) uraboneka binyuze mu miyoboro yihariye na dynamic balancing.

Ubuzima bwo gukora: nibura miliyoni 5 z'impinduramatwara
Ku muvuduko wa 30 RPM uhoraho, ibi bingana n'iminsi 115 yo gusimbuka nta guhagarara. Ku ikoreshwa risanzwe rimwe na rimwe (urugero, isaha 1 ku munsi kuri 10 RPM), igihe cyo gukoresha kirenga imyaka 80 - kirenze kure igihe cyo gukoresha ikoranabuhanga ry'ibicuruzwa.

Torque: ≤0.6 N·m ku bushyuhe bw'icyumba
Umuvuduko muke ugabanya ibyo moteri ikenera, ugatuma ikoreshwa mu byiciro bito cyangwa bito cyane, kandi ugagabanya umusaruro w'ubushyuhe uturutse ku gukururana. Umuvuduko wiyongera iyo ubushyuhe bukabije bitewe n'impinduka mu buryo bw'amavuta.

Ingano y'ubushyuhe: -40°C kugeza +70°C (ikora)
Ibi byujuje ibisabwa mu rwego rwa gisirikare (MIL-STD-810) n'ibikoresho byo hanze by'inganda. Gukoresha ubushyuhe buke bishobozwa n'amavuta yo mu bwoko bwagutse; imikorere y'ubushyuhe bwinshi isaba guhitamo neza ibikoresho bya dielectric kugira ngo hirindwe kwangirika.

Igipimo cya IP51

• IP5: Irinzwe n'umukungugu (ivumbi ryinjira mu buryo budahagije, nta ngaruka mbi zabyo)
• IP1: Irinzwe amazi agwa ahagaze

Iri suzuma rijyanye n'ibidukikije byo mu nzu, ahantu ho gukingira hanze hafite ubwiherero, n'ibikoresho byo gupakira. Amanota yo hejuru (IP65, IP67) araboneka ku bidukikije byo hanze, mu bwato, cyangwa mu butayu.

Ibikoresho: Aluminiyumu ifite ogisijeni iyobora
Aluminium itanga ubushobozi bworoshye (ni ngombwa cyane mu guteranya ibintu bishobora kuzunguruka), ubushobozi bwiza bwo gutwara ubushyuhe (mu gukwirakwiza ubushyuhe buva ku mutwaro wa 10W), kandi ikaba ifite ubushobozi bwo gukora neza cyane. Ubushyuhe butuma amashanyarazi yo hejuru arushaho gutwara amashanyarazi kugira ngo RF ishinge mu butaka mu gihe butanga ubushobozi bwo kwirinda ingese.

4. Porogaramu zisanzwe

4.1 Sisitemu za Radar zishingiye ku butaka

Ikoreshwa hagati ya transceiver ihoraho na antene izenguruka. Imiyoboro itatu ishyigikira uburyo bwo kohereza ubutumwa icyarimwe, kwakira no gupima.

4.2 Ibyuma by'itumanaho bya satelite

Ikomeza ubusugire bw'umurongo wa RF mu gihe cyo gukurikirana satellite. Kudahinduka kw'ibyiciro bigira ingaruka ku buryo butaziguye ku gipimo cy'amakosa ya modulation (MER) no ku gipimo cy'amakosa ya bit (BER).

4.3 Intebe zo gupima intambara y'ikoranabuhanga (EW)

Simulateri zikora ibintu bibangamira ikirere zizenguruka zisaba phase ihamye n'ubwinshi bw'amajwi mu nzira nyinshi kugira ngo zikore simulation ya AOA.

4.4 Ibikoresho byo kwa muganga bya mikoroonde

Imitwe ikora amashusho cyangwa ikora ubuvuzi (urugero, sisitemu zo mu bwoko bwa microwave hyperthermia) ikenera kohereza RF neza nta mananiza y'insinga.

4.5 Ubushyuhe bwa Microwave mu nganda

Imiyoboro izunguruka ituma ibikoresho bikomeza gutunganywa mu ziko rya mikoroonde cyangwa mu buryo bwo kumisha.

4.6 Ibyuma byo gupima no gupima

Ibyumba byo gupima imiterere ya antena bikoresha ingingo zizunguruka kugira ngo bishyire antene iri mu igeragezwa (AUT) mu gihe bizenguruka.

5. Ubushobozi bwo guhindura ibintu mu buryo butari ubusanzwe

Iki gicuruzwa cyakozwe mu buryo bweruye nk'urubuga rwakozwe mu buryo bwihariye. Ibipimo bikurikira bishobora guhindurwa hakurikijwe ibyo umukiriya akeneye:

6. Gupima Ubwiza n'Isuzuma Rikomeye

Buri gice cyose gizunguruka kinyura mu nzira yo kwemeza ibyiciro byinshi mbere yo koherezwa:

6.1 Isuzuma ry'imikorere ya RF (100% by'ibipimo)

• VSWR n'igihombo cyo kwinjira byapimwe mu ntera yose (1–5.25 GHz) ku manota 101
• Itandukaniro ryapimwe hagati y'imiyoboro yose
• Ibizamini byose byakozwe ku buryo butaziguye kandi buhindagurika (buzenguruka kuri 30 RPM)

6.2 Igipimo cy'ubudahangarwa bw'icyiciro

• Impinduka mu byiciro zanditswe inshuro 10 zihoraho
• Amakuru yanditswe ku nyongera ya 1° (amanota 3600 kuri buri muyoboro)

6.3 Isuzuma rya Mekanike

• Ingufu zipima kuri -40°C, +25°C, na +70°C
• Ihererekanya ry'urujya n'uruza ryapimwe ku rubuga ruzenguruka
• Ikizamini cy'ubuzima: ibice byatoranijwe mu buryo butunguranye mu kwiruka miliyoni 5 z'impinduramatwara

6.4 Gusuzuma Imihangayiko Ishingiye ku Bidukikije (urugero rw'icyitegererezo)

• Ihindagurika ry'ubushyuhe: -50°C kugeza +85°C, amagare 10, amasaha 2 yo kuruhuka
• Ubushyuhe butose: 95% RH kuri +40°C mu gihe cy'amasaha 48
• Guhindagurika: 5g RMS, 10–500 Hz, kuri MIL-STD-810

7. Impamvu yo guhitamo iyi Rotary Joint

• Guhuzagurika ku buryo budasanzwe - Ntabwo uhatirwa kwinjira mu masezerano asanzwe. Twebwe duhuza n'uburyo bwawe, ntabwo duhuza n'ibindi.
• Igenzura ry’ubuziranenge rikomeye - Ibisobanuro byose byemejwe. Nta gaciro "gasanzwe" k’ibarurishamibare. Buri gice cyoherezwa hamwe na raporo y’ikizamini.
• Igihe kirekire cyo gukora - miliyoni 5 z'impinduramatwara bitanga serivisi y'imyaka myinshi mu bikorwa bisanzwe bisimburana.
• Ubuyobozi bw’icyiciro cyo guhagarara – ± 2° mu nzira eshatu ni gake cyane kuri iki gihe cyo gutanga umusaruro ku biciro.
• Ubufasha mu bya tekiniki - Itsinda ry'abahanga ritanga ubufasha mu guhuza ibikoresho, moderi za 3D, no kwemeza ibishushanyo mbonera byihariye.