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    • 1. 发明公开
    • RAUSCHROBUSTE OBJEKTORTUNG MIT ULTRASCHALL
    • EP3170022A1
    • 2017-05-24
    • EP15738100.5
    • 2015-07-16
    • Valeo Schalter und Sensoren GmbHFraunhofer-Gesellschaft
    • HABERLAND, UdoHALLEK, MichaelLILL, AntonGRÜDL, DietmarGRINBERG, MichaelWILLERSINN, DieterKROSCHEL, Kristian
    • G01S15/93G01S7/527G01S15/10G01S15/32G01S7/52
    • G01S15/931G01S7/52004G01S7/5273G01S15/104G01S15/105G01S15/325G01S2015/932
    • The invention relates to a method for operating an ultrasonic measurement device (12), wherein a transmission signal (U) is generated from a digital transmission sequence (34) by a transmit branch (24) and an ultrasound signal (S) is generated from the transmission signal (U) by a transmission unit (26), a receive signal (Rb, Rb') is generated by a receive unit (26) as a function of an object echo (R) of the ultrasound signal (S), and a correlation signal (Ro) is generated from the receive signal (Rb, Rb') by a correlation filter (44) by correlation of the receive signal (Rb, Rb') with a correlation core (H, H'), and the correlation signal (Ro) is provided by a detector unit (20). The problem addressed by the invention is reliable recognition of an object echo in the correlation signal (Ro). For this purpose, a distortion device (V1, V2, V3, V4) provides each of the transmission signal (U) and/or the receive signal (Rb, Rb') and/or the correlation core (H, H') with a signal characteristic, which at least partially compensates a transmission characteristic (56) of the transmission unit (26) and/or of the receive unit (26) in the correlation signal (Ro).
    • 本发明涉及一种用于操作超声波测量设备(12)的方法,其中由发射分支(24)从数字发射序列(34)产生发射信号(U),并且由超声波信号 由发送单元(26)发送的发送信号(U),由接收单元(26)根据超声信号(S)的对象回声(R)生成接收信号(Rb,Rb'), 并且通过接收信号(Rb,Rb')与相关核心(H,H')的相关,由相关滤波器(44)从接收信号(Rb,Rb')产生相关信号(Ro) 相关信号(Ro)由检测器单元(20)提供。 本发明解决的问题是相关信号(Ro)中的对象回声的可靠识别。 为此,失真装置(V1,V2,V3,V4)向发送信号(U)和/或接收信号(Rb,Rb')和/或相关核心(H,H')中的每一个提供 信号特性,其在相关信号(Ro)中至少部分地补偿传输单元(26)和/或接收单元(26)的传输特性(56)。