| 摘要 |
<p>PROBLEM TO BE SOLVED: To detect a target quickly and to reject the detection by a radar using an ECM machine (radio wave interference machine) by outputting a proper filter coefficient from a transmission frequency and a pulse interval and at the same time judging whether a crack is generated or not from the Doppler frequency and the position of a signal and outputting a signal other than a clutter. SOLUTION: A filter coefficient generator 9 for receiving radar element information calculates a Doppler speed required for pulse compression considering Doppler from a frequency, a pulse interval, and a Doppler speed that is specified in advance and outputs it to a pulse compressor 10. The pulse compressor 10 calculates the parameters of pulse compression from a modulation signal and the coefficient of the flier and performs the pulse compression of reception signal data. A clutter suppresser 14 for receiving the radar element information judges whether the signal is a clutter or not from a beam direction, the distance of a signal outputted by a maximum signal detector 11, and a Doppler frequency and outputs a signal other than clutter, thus detecting a target with one transmission.</p> |
