Molao-motheo:Molao-motheo oa tsamaiso ea Direct Sequence Spread Spectrum e bonolo haholo.Mohlala, letoto la tlhahisoleseling le tla romelloa le atolosoa ho sehlopha se pharaletseng haholo ka khoutu ea PN.Qetellong ea ho amohela, tlhahisoleseding e rometsoeng e khutlisetsoa ka ho hokahanya lets'oao la ho ata le khoutu e tšoanang ea PN e sebelisetsoang ho atolosa qetellong ea ho romela.
Molao-motheo o tebileng:Ntlha ea pele, e sebelisa ka ho toba letoto la khoutu ea "spectrum spectrum code" e nang le tekanyo e phahameng ea khoutu ho hasanya lets'oao la lets'oao ho transmitter ka ho sebelisa mekhoa e fapaneng ea modulation, ebe e sebelisa tatellano e tšoanang ea "spectrum code spectrum". lets'oao la spectrum ho tlhahisoleseling ea mantlha.Mokhoa oa ho hasanya marang-rang ka ho khetheha: Ha e le hantle, ho sebelisoa mokhoa oa ho feto-fetoha ha dijithale.Ka ho khetheha, ho sebelisoa khoutu e itseng ea PN (pseudo-noise code) ho eketsa mohloli oa matšoao.Mohlala, ha transmitter e hloka ho fetisa mats'oao, tlosa "1" sebakeng sa 110001000110 le "0" ka 00110010110. Ts'ebetso ena e hlokomela mefuta e mengata.Ho moamoheli, haeba tatelano e amohetsoeng e le 110001001110, e tla khutlisetsoa ho "1" 'me haeba e le "00110010110," e tla khutlisetsoa ho "0".Sena se bitsoa “bohobe.Ka tsela ena, tekanyo ea mohloli oa pontšo e eketsoa ka makhetlo a 11, 'me phaello ea ts'ebetso e feta 10dB, e leng ho ntlafatsang ka katleho tekanyo e mengata ea lerata la mochine oohle.
RF bandwidth ea sistimi ea DSSS e pharalletse haholo.Ka hona, karolo e nyane ea sebono e ke ke ea baka ho putlama ho hoholo ha sekhahla sa matšoao, e leng e 'ngoe ea melemo ea eona.DSSS e ntle haholo ts'ireletso ea eona, ke ka lebaka leo sesole sa US se neng se e sebelisa haholo bakeng sa phetisetso ea mohala nakong ea Ntoa ea II ea Lefatše.
Se ka hodimo ke tlhaloso ya tsebo ya Direct Sequence Spread Spectrum (DSSS) Communication - Molawana wa Dikgokahanyo o tlisitsweng ho wena keShenzhen HDV Optoelectronic Technology Co., Ltd., moetsi oa lisebelisoa tsa puisano tsa optical.ke tšepa hore sehlooho sena se ka u thusa ho eketsa tsebo ea hau.Ke leboha ho bala sehlooho sena.