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Ndeupi musiyano uripo pakati peIR vs RF?

Infrared yakadimburirwa seIR. Imhando yemwaranzi yemagetsi ine masaisai yakareba kupfuura chiedza chinooneka asi ipfupi pane masaisai eredhiyo. Inowanzo shandiswa kutaurirana pasina waya nekuti masaini e infrared anogona kuendeswa zviri nyore uye kugamuchirwa uchishandisa IR diode. Semuenzaniso, infrared (IR) inoshandiswa zvakanyanya kudzora kure kwemidziyo yemagetsi senge terevhizheni nemaDVD player. Inogona zvakare kushandiswa kupisa, kuomesa, kunzwa, uye spectroscopy, pakati pezvimwe zvinhu.

Radio Frequency yakadimburirwa seRF. Inoreva huwandu hwema electromagnetic frequency ayo anowanzo shandirwa kune isina waya kutaurirana. Izvi zvinovhara mafambiro kubva pa3 kHz kusvika ku300 GHz. Nekushandura frequency, amplitude, uye chikamu cheiyo inotakura wave, masaini eRF anogona kutakura ruzivo nekufamba madaro akakura. Zvishandiso zvakawanda zvinoshandisa tekinoroji yeRF, kusanganisira nharembozha, kutepfenyura, radar masisitimu, satellite kutaurirana, uye isina waya network. Maredhiyo ekutepfenyura uye anogashira, WiFi routers, nharembozha, uye GPS gadget yese mienzaniso yeRF michina.

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Ose ari maviri IR (Infrared) neRF (Radio Frequency) anoshandiswa zvakanyanya pakutaurirana pasina waya, asi pane misiyano mikuru:
1. Range: RF ine yakakura kupfuura infrared. RF transmissions inogona kupfuura nemadziro, nepo infrared masaini haagone.
2. Mutsara wekuona: Infrared transmissions inoda mutsara wakajeka wekuona pakati pemutakuri uye mugamuchiri, asi redhiyo frequency masaini anogona kuyerera kuburikidza nezvinovhiringidza.
3. Kuvhiringidza: Kuvhiringidza kubva kune mamwe mawaya emagetsi mudunhu anogona kukanganisa masiginecha eRF, kunyangwe kukanganiswa kubva kumasaini eIR kusingawanzo.
4. Bandwidth: Nekuti RF ine bandwidth yakakura kupfuura IR, inogona kutakura data rakawanda nekukurumidza.
5. Simba rekushandisa: Nokuti IR inoshandisa simba shoma kudarika RF, inonyatsokodzera zvigadzirwa zvinotakurika zvakadai semaremote controls.

Muchidimbu, IR yakakwirira kune ipfupi-renji, mutsara-we-kuona kutaurirana, nepo RF iri nani kune refu-renji, chipingamupinyi-inopinda kutaurirana.

Taura nesuuye isu tinogona kugovera rumwe ruzivo nezve LED strip mwenje.

 


Nguva yekutumira: May-31-2023

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