Wani QAM?

QAM tana da yake?

Takardun QAM

QAM (Quadrature Amplitude Modulation) ita ce sana'a mai takarda wanda ke kare maganar takarda da amfani don bayyana bayanan.

Haddadin Yawancin Kari

QAM yake canza hukuma da amfani na rayuwar wasanni don dubawa masana'antar bandi da ya fi shiga.

QAM Na Ana vs. QAM Na Dijital

QAM na ana an yi amfani da ita a cikin yanayin TV na gida, sai dai QAM na dijital, wanda aka sani da Quantized QAM, an yi amfani da ita a cikin yanayin dijital kamar Wi-Fi da juyin telefoni.

Furfurun QAM

Furfurun QAM daban-daban, kamar 16-QAM, 32-QAM, da 64-QAM, suna bambanta a kan abubuwan biti suke bayyana a kan symbol, wanda aka nuna a cikin diagrams na constellations.

Muhimmancin QAM

• Gaskiya ta QAM ita ce mai yawa saboda haka ba a tabbatar da iya kara sauti ba.

• QAM tana da adadin error na musamman da yake da yawa.

• QAM tana da adadin data rate mai yawa. Saboda haka za su iya zama da biti da ke fito a kan signal na carrier. Saboda haka an yi amfani da ita a cikin yanayin komunikashin na maza.

• QAM tana da dubawa masana'antar bandi.

• Ta haka saboda an yi amfani da sine wave da cosine wave a kan channel na ido, ya dubawa capacity na channel zuwa mafi yawa da fannon da ake amfani da sine wave ko cosine wave baki daya.

Rarrabe QAM

• A cikin QAM, abubuwan canzawa hukuma suna da kyau a karshen sauti.

• Yana iya bayyana biti masu mafi a kan symbol, amma a fannonin QAM masu mafi, points na constellation suna da tsawon kadan, wanda yake da kyau a karshen sauti da take bayyana errors a cikin data.

Amfani Da QAM

• Sana'a mai takarda na QAM tana da amfani da yawa a cikin field na radio communications saboda ziyartar adadin biti data.

• QAM tana da amfani a cikin applications daban-daban daga yanayin komunikashin na maza zuwa yanayin telefoni na mara.

• QAM tana da amfani a cikin systems na microwave da telecommunications don bayyana bayanan.

• 64 QAM da 256 QAM tana da amfani a cikin digital cable television da cable modem.