| 摘要 |
<P>PROBLEM TO BE SOLVED: To simply and accurately detect radar which can be interference at the time of performing radio communication by a wireless LAN or the like. <P>SOLUTION: In the case of performing communication of a radio signal by a prescribed frequency band, the radio signal received by the prescribed frequency band is demodulated, and when the demodulation is impossible or when the radio signal is a signal received only for short period of time of prescribed time width or less, periodical reception of the same radio signal is discriminated on the basis of the receiving timing of the signal and the communication state of the radio signal is set on the basis of the discrimination to quickly detect the periodically transmitted radar. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
