A pulse compression radar , comprising: an ideal transmission signal memory configured to store a transmission signal before distortion occurs therein; a transmission signal amplifying module configured to amplify the transmission signal inputted thereto and output the amplified transmission signal; an antenna configured to externally transmit the transmission signal outputted by the transmission signal amplifying module , and receive, as a reception signal, a reflection signal caused by the transmission signal; a reception circuit configured to propagate the reception signal received by the antenna to an ADC at a post-stage of the reception circuit ; a signal processing module configured to obtain information regarding a target object based on the reception signal inputted thereto via the reception circuit and via the ADC ; a signal feedback circuit configured to propagate, as a feedback signal, the transmission signal outputted by the transmission signal amplifying module , to the reception circuit before being supplied to a circulator ; and a transmission signal correcting module configured to correct the transmission signal so as to cancel the distortion that is caused by the amplification, and output the corrected transmission signal to the transmission signal amplifying module , the transmission signal being corrected based on the transmission signal stored in the ideal transmission signal memory and the feedback signal, wherein the reception circuit includes a reception signal amplifying module configured to amplify the reception signal, and wherein the signal feedback circuit is connected with the reception circuit via a switch between the reception signal amplifying module and the signal processing module . an ideal transmission signal memory configured to store a transmission signal before distortion occurs therein; a transmission signal amplifying module configured to amplify the transmission signal inputted thereto and output the amplified transmission signal; an antenna configured to externally transmit the transmission signal outputted by the transmission signal amplifying module , and receive, as a reception signal, a reflection signal caused by the transmission signal; a reception circuit configured to propagate the reception signal received by the antenna to an ADC at a post-stage of the reception circuit ; a signal processing module configured to obtain information regarding a target object based on the reception signal inputted thereto via the reception circuit and via the ADC ; a signal feedback circuit configured to propagate, as a feedback signal, the transmission signal outputted by the transmission signal amplifying module , to the reception circuit before being supplied to a circulator ; and a transmission signal correcting module configured to correct the transmission signal so as to cancel the distortion that is caused by the amplification, and output the corrected transmission signal to the transmission signal amplifying module , the transmission signal being corrected based on the transmission signal stored in the ideal transmission signal memory and the feedback signal, wherein the reception circuit includes a reception signal amplifying module configured to amplify the reception signal, and wherein the signal feedback circuit is connected with the reception circuit via a switch between the reception signal amplifying module and the signal processing module . <EOS>