PROBLEM TO BE SOLVED: To provide an identification device with which it is possible to improve the freedom of biological identification and effectively perform biological identification in a short time.SOLUTION: Provided is an identification device 10 for identifying a living body 50, comprising: a transmit antenna element 21 for transmitting a transmit signal to a prescribed range A1 that includes the living body 50 N receive units 30A-30H enclosing the periphery of the prescribed range A1, each receiving a receive signal that includes a reflected signal that is reflected by the living body 50 using a receive antenna element that the receive unit has a memory 41 for storing a teacher signal 42 that consists of N receive signals previously received by the N receive units 30A-30H that include a reflected signal of a transmit signal reflected by an object living body and a circuit 40 for calculating a plurality of correlation coefficients from the teacher signal and the N receive signals, and determines that the living body 50 and the object living body are identical when a prescribed correlation coefficient out of the plurality of correlation coefficients is included in a prescribed range of numeric values.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】生体識別の自由度を向上させることができ、生体識別を短時間で効果的に行うことができる識別装置を提供する。【解決手段】生体50を識別する識別装置10であって、生体50を含む所定範囲A1に送信信号を送信する送信アンテナ素子21と、所定範囲A1の周囲を囲むN個の受信部30A~30Hであって、生体50によって反射された反射信号を含む受信信号を、当該受信部が有する受信アンテナ素子を用いて、それぞれが所定期間受信するN個の受信部30A~30Hと、対象生体において送信信号が反射された反射信号を含む受信信号をN個の受信部30A~30Hが予め受信したN個の受信信号である教師信号42を記憶しているメモリ41と、教師信号と受信したN個の受信信号とから複数の相関係数を算出し、複数の相関係数のうち所定の相関係数が所定の数値範囲に含まれる場合に、生体50と対象生体とが同一であると判定する回路40と、を備える。【選択図】図1