| 摘要 |
PROBLEM TO BE SOLVED: To provide a communication system which reduces a noise effect on a transmission line as little as possible, and a transmitter and a receiver used for the communication system. SOLUTION: In a communication system wherein a transmitter and a receiver are connected via a transmission line, an input signal is transmitted by (quadrature) carriers that do not interfere with each other on the axis of a frequency. In addition, when the input signal is transmitted by carrier signals that do not interfere with each other on the axis of time, a further effect can be expected. A carrier signal affected by noise during transmission is removed at a receiving side or when a synthesization/distribution ratio is reduced, noise on the transmission line can be eliminated. COPYRIGHT: (C)2008,JPO&INPIT
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