PROBLEM TO BE SOLVED: To provide a radio wave sensor device that can simultaneously detect multiple kinds of information in a simple configuration.SOLUTION: A radio wave sensor device 1 outputs first and second transmission signals S1t, S2t separated by one octave or more and becoming different frequencies f1, f2 to each other from a multiband transmitting antenna 6, and receives the signals by a multiband receiving antenna 7. A receiving circuit 9 performs mixing between a first synchronizing signal S1ref synchronized with the first transmission signal S1t and a first received signal S1r, and outputs a first composite signal S1m. Also, the receiving circuit 9 performs mixing between a second synchronizing signal S2ref synchronized with the second transmission signal S2t and a second received signal S2r, and outputs a second composite signal S2m. A detection circuit 12 simultaneously obtains different two pieces of information in an object O to be measured based on the first detection signal and the second detection signal.COPYRIGHT: (C)2016,JPO&INPIT【課題】簡易な構成で複数種類の情報を同時に検出できる電波センサ装置を提供する。【解決手段】電波センサ装置1は、1オクターブ以上離れて互いに異なる周波数f1,f2となった第1,第2の送信信号S1t,S2tをマルチバンド送信アンテナ6から出力し、マルチバンド受信アンテナ7により受信する。受信回路9は、第1の送信信号S1tと同期した第1の同期信号S1refと第1の受信信号S1rとをミキシングして第1の混合信号S1mを出力する。また、受信回路9は、第2の送信信号S2tと同期した第2の同期信号S2refと第2の受信信号S2rとをミキシングして第2の混合信号S2mを出力する。検出回路12は、第1の検出信号と第2の検出信号とに基づいて、被測定対象物Oにおける異なる2つの情報を同時に得る。【選択図】図1
