<ؼ>,<缳>,<ȫ> | ǻ
21 ȭ ȸ , , Ӱ ְ ְ ν о ϴ ߿ ڸ űϰ ִ. ű ̵ ߿ پ Ƽ̵ ո ʰ ν ο ô븦 ̴.
̷ ް ȯ濡 ɵ óϰ, ư о ֵ о߸ ϴ л鿡 ʼ ʿ ϳ ̷̶ ִ. Ű ϴ л鿡 ʼ ؼ ݵǴ ټ л н ̱ ϴ.
ּȭϰ Ŀ ǹ̸ ַ ν Ϲ ⺻ µ ξ Žý ϴ ֿ ұ(, ȣȭ, ȭ, ȭ ) پ Ǿ ǵ Ͽ.
Ư, ܿ <> ־ ܿ ֿκ ֵ Ͽ <> Բ ηϿ <> ξ н ǵ Ͽ. ֿ Ʒ .
1忡 ý ⺻ Ͽ,
2忡 ſ Ǵ ȣ(signal) (noise) ǥϰ Ư ؼϱ ϰ ̸ ȣ мϿ.
3忡 Žý ߿ ⺻ AM ٷ,
4忡 ļ (FM) (PM) ٷ.
5忡 ⺻ Ǵ ȣ پ ȣ ۹ ٷ,
6忡 ȣ ȿ ϱ е ְ ٷ.
7忡 ȿ ȣȭ 캸, ȿ ϱ äκȣȭ ٷ
8忡 ڿ ȿ ϱ ȭ İ ڿ ڿ ȿ Ҵϱ Ͽ.
9忡 ۿ ߿ ϳ ۼŰ Ÿ̹ ߱ ȭ ٷ.
10忡 ϰ ǰ ִ ý Ȱо߸ ҰϿ. Ư, ֱ Ȱϰ ǰ ִ ٰŸ ߽ 캸 ̷ ̵ ؼ ⺻ Ư Ͽ.
1 ̷
1.1 ý Ұ
1.2
1.3 ý
1.4 ȣ Ư
1.5 ļ 뿪 뿪
1.6 ý
2 ȣ ý ؼ
2.1 ȣ ǥ з
2.2 ȣ ũ
2.3 Ư з
2.4 Ǫ (Fourier Series)
2.5 Ǫ ȯ(Fourier Transform)
2.6 ý Ư з
2.7 ı ı Ư
3 (AM, Amplitude Modulation)
3.1 ǥ AM 82
3.2 뿪 ݼ (DSB-SC)
3.3 뿪 (SSB)
3.4 ܷ 뿪 (VSB)
4
4.1 ļ (FM)
4.2 (PM)
5
5.1
5.2 Ƴα ȣ ǥȭ ̷
5.3
5.4 ȣ (pulse code modulation ; PCM)
5.5 ȣȭ
5.6 ȣ Ű
6
6.1 õ (ASK, Amplitude Shift Keying)
6.2 ļ õ (FSK, Frequency Shift Keying)
6.3 õ (PSK, Phase Shift Keying)
6.4 QAM(Quadrature Amplitude Modulation)
6.5 õ (DPSK)
6.6 OQPSK(Offset QPSK)
6.7 MSK(Minimum Shift Keying)
6.8 OFDM
6.9 Ʈ
7 ȣȭ(encoding)
7.1 õ ȣȭ
7.2 ä ȣȭ
8 ȣ ȭ
8.1 ȭ
8.2 ļ
8.3 ú
8.4 ȣ
8.5
9 ȭ (Synchronization)
9.1 ݼ
9.2 Ʈ
9.3
10 ý Ұ
10.1 ļ Žý(TRS)
10.2 ٰŸ ý
10.3 귯 ̵ ý
10.4 ý (PCS)
10.5 ̵ ý
10.6 GPS(Global Positioning System)
10.7 (WLL)
10.8 IMT-2000 ý
10.9 4G ̵ ý
η
η 1. Shannon Ѱ谪
η 2. Bessel ǥ
η 3.