| 摘要 |
PROBLEM TO BE SOLVED: To improve the receiving S/N ratio by integration of an echo signal when a target moves, in a radar device. SOLUTION: The radar device includes a transmitting section for transmitting a pulse signal, a receiving section for receiving, as a received signal, the pulse signal reflected by the target after transmission by the transmitting section, and a signal processing section. The signal processing section includes a digital shift deriving means for determining a digital shift as a shift amount according to the order of the reception of the received signals every set speed set as an assumption value of the moving speed of the target, a digital shift correcting means for correcting each received signal every set speed based on the digital shift, a signal integrating means for integrating each received signal after the correction every set speed, a determining means for determining the signal whose amplitude peak is maximum, of the integrated signals, and a distance deriving means for determining the distance to the target based on the signal whose amplitude peak is maximum. COPYRIGHT: (C)2008,JPO&INPIT
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