| 摘要 |
A transmitter (1) comprises a spreading code generating part (11) that uses the set values of adjacent parameters to generate spreading codes from a row or column vector in a spreading code matrix comprising trigonometric functions the arguments of which are the adjustment parameters; and a signal multiplexing part (12) that performs spread and multiplex processes of information using the spreading codes. The transmitter (1) arranges the signals, which have been subjected to the spread and multiplex processes, onto a plurality of subchannels for transmission.
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