| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a radar device that alleviates a remaining sea clutter by performing both processing for suppressing the clutter caused by Bragg primary scattering and processing for suppressing the clutter caused by Bragg primary and secondary scattering at the same time. <P>SOLUTION: The radar device which transmits and receives low-frequency-band radio waves and detects a target includes: a first filter coefficient generating means 10 to generate a filter coefficient for suppressing the clutter generated by the primary scattering of Bragg on the basis of a received signal; a second filter coefficient generating means 11 to generate a filter coefficient for suppressing the clutter generated by the primary scattering of Bragg and the clutter generated by the secondary scattering of Bragg at the same time; and clutter suppressing means 7, 8 and 9 to apply clutter suppressing processing to the received signal by using the filter coefficients generated by the first and second filter coefficient generating means. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
