Isimo isigaba - Ukudlulisela phambili
Isisekelo sokushintshwa kwesimo sesimo:
Isiginali ye-Radio Frequency iqukethe inkampani yenethiwekhi ye-oscillating ngesimo segagasi le-sine, okuyisisekelo sesiginali. I-amplitudwaous esheshayo ilandela le curve endaweni efanele bese ilungile, ibuyela endaweni yokuqala ngemuva komjikelezo owodwa ogcwele - ilandela ijika le-wave wave. Igagasi le-sine lingavezwa futhi ngokunyakaza okuzungeze iphuzu embuthanweni, futhi isigaba kunoma yiliphi iphuzu elinikezwe yi-angle phakathi kwephuzu lokuqala kanye nephuzu le-waveform. Isigaba siphinde sithuthuke ngokuhamba kwesikhathi, ngakho-ke amaphuzu ku-waveform kungashiwo ukuthi ube nomehluko wesigaba phakathi kwabo. Ukushintshwa kwesigaba kusebenza ngokuguqula isigaba sesiginali, okungukuthi, ukuguqula izinga lapho iphuzu lihamba ngalo mbuthano. Uma ukuguqulwa kungasebenzi, lokhu kushintsha isigaba sesiginali. Ngamanye amagama, isivinini sokujikeleza esizungeze isiyingi siguqulwe maqondana nencazelo. Kulokhu, kuyadingeka ukushintsha imvamisa yesiginali ngesikhathi esifushane. Ngamanye amagama, lapho ukuguquguquka kwesigaba kusetshenziswa kusiginali, kukhona ushintsho lwemvamisa, okuphambene nalokho. Isigaba kanye nokuvama kuxhumeke ngokungalingani ngoba isigaba siwukuvalelisa imvamisa.
Injongo: Ukwandisa ukwehlukaniswa kokufakwayo kokuhlukaniswa kwesigaba sonke ngokunikeza umjikelezo wokusetha kwe-zero okwenziwa yi-voltal voltal kusuka ku-voilet we-apple apple zero lapho kusetshenziswa isibonakaliso esingu-10 sokujikeleza okungu-10 no-14; Lapho ama-voltages ehlukile ekuqondisweni asetshenziswa kuma-diodes 12 no-14 kusuka ku-Control Circuit 16, ukushintshwa kuvula futhi lapho kusetshenziswa ama-voltages asetshenzisiwe, ngaleyo ndlela anqume ophethe. I-Control Circuit 16 isebenza ama-voltages phambili ukuze akhiphe ama-12 no-14 asetshenzisiwe ngesiginali yokusika. Ukushayela Circuit 30, lapho isiginali yokusika isithwali isetshenziswa ngomugqa 40, izilawuli zokulawula ngenkani isiginali kagesi ukuze ihlinzekwe isibonakaliso se-voltage i-psk modulator 20 kuya ku-zero.
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