Byombi ibimenyetso n urusaku mubitumanaho birashobora gufatwa nkibikorwa bitunguranye bitandukanye nigihe.
Inzira idasanzwe ifite ibiranga impinduka zidasanzwe hamwe nigihe cyakazi, kandi birashobora gusobanurwa muburyo bubiri butandukanye ariko bufitanye isano:①inzira idasanzwe ni ikusanyirizo ryimikorere itagira ingano;②Inzira idasanzwe ni urutonde rwimpinduka zidasanzwe.
Ibarurishamibare biranga inzira idasanzwe isobanurwa nigikorwa cyayo cyo gukwirakwiza cyangwa imikorere yubucucike. Niba ibarurishamibare riranga inzira idahwitse ryigenga ryigihe cyo gutangiriraho, byitwa inzira ihamye.
Ibiranga Digital nubundi buryo bworoshye bwo gusobanura inzira zidasanzwe. Niba agaciro kagereranijwe k'ibikorwa gahoraho kandi imikorere ya autocorrelation R (T1, T1 + τ) = R (T), inzira yitwa inzira rusange ihagaze.
Niba inzira ihamye, igomba kuba ihamye; bitabaye ibyo, ntibishobora kuba ukuri.Niba igihe cyo kugereranya cyibikorwa bingana nimpuzandengo y'ibarurishamibare ihuye, inzira ni ergodic.Niba inzira ari ergodic, nayo irahagaze; bitabaye ibyo, ntibishobora kuba ukuri.
Imikorere ya autocorrelation R (T) yimikorere rusange ihagaze nigikorwa kimwe cyigihe cyo gutandukanya R, na R (0) bingana nimbaraga rusange igereranijwe, ni R （τ) agaciro ntarengwa. Ubucucike bwimbaraga (P) ξ (f) nigikorwa cya Fourier gihindura imikorere ya R () (theorem ya Wiener Minchin). Izi mpinduka zerekana isano ihinduka hagati yigihe na domaine inshuro. Ikwirakwizwa rya Gaussian rishobora gukwirakwizwa gukwirakwizwa bisanzwe, kandi ibisobanuro byuzuye byerekana imibare bisaba gusa imibare yabyo. Ikwirakwizwa rimwe rishobora gusa guterwa gusa nuburyo butandukanye, kandi ibice bibiri-byo gukwirakwiza ahanini biterwa numurimo wo guhuza. Inzira ya Gaussiya iracyari inzira ya Gaussiya nyuma yo guhinduka kumurongo. Isano iri hagati yimikorere isanzwe yo gukwirakwiza nigikorwa cya Q (x) cyangwa ERF (x) ni ingirakamaro cyane mu gusesengura imikorere irwanya urusaku rwa sisitemu yitumanaho. Inzira itajegajega ihagaze Nyuma ya I (T) inyuze kumurongo wa sisitemu, inzira yayo ξ 0 (T) nayo irahagaze.
Ibarurishamibare biranga imirongo migari itunguranye hamwe na sine waves hiyongereyeho urusaku ruto rwa Gaussiya urusaku rukwiranye nisesengura rya sisitemu yo guhinduranya, sisitemu ya bande, hamwe n’itumanaho ridafite umuyaga rigabanuka. Ibintu bitatu bikunze kugabanywa mu itumanaho ni ikwirakwizwa rya Rayleigh, isaranganya ry'umuceri, hamwe no kugabana bisanzwe: ibahasha yerekana ibimenyetso bitwara sinusoidal wongeyeho umurongo muto. Urusaku rwa Gaussiya muri rusange ni ikwirakwizwa ry'umuceri. Iyo ibimenyetso amplitude ari binini, bikunda gukwirakwizwa bisanzwe; iyo amplitude ari nto, ni hafi gukwirakwiza Rayleigh.
Urusaku rwera rwo muri Gaussiya nicyitegererezo cyiza cyo gusesengura urusaku rwiyongera rwumuyoboro, kandi urusaku nyamukuru rwitumanaho mu itumanaho urusaku rwumuriro ni urwo rusaku. Indangagaciro zayo mubihe bibiri bitandukanye ntaho zihuriye kandi zigenga imibare. Nyuma yuko urusaku rwera runyuze muri sisitemu igarukira, ibisubizo ni urusaku ruke. Urusaku ruto rwijwi ryera na bandpass urusaku rwera birasanzwe mubisesengura.
Ibyavuzwe haruguru ni ingingo "inzira itunguranye ya sisitemu y'itumanaho" yazanwe na Shenzhen HDV phoelectron Technology Co., Ltd. twizere ko iyi ngingo ishobora kugufasha kongera ubumenyi. Usibye iyi ngingo niba ushaka ibikoresho byiza bya fibre itumanaho ibikoresho bya sosiyete ushobora gutekerezaibyerekeye twe.
Shenzhen HDV phoelectron Technology Co., Ltd ahanini ikora ibicuruzwa byitumanaho. Kugeza ubu, ibikoresho byakozwe bitwikiriyeUrukurikirane rwa ONU, icyiciro cya optique, Urukurikirane rwa OLT, naurukurikirane. Turashobora gutanga serivisi yihariye kubintu bitandukanye. Murakaza nezabaza.
