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    • 9. 发明申请
    • METHOD AND ARRANGEMENT FOR SIGNAL PROCESSING COMPRISING FIRST AND SECOND PULSE COMPRESSION FILTERS
    • 包含第一和第二脉冲压缩滤波器的信号处理方法和装置
    • WO2005059587A1
    • 2005-06-30
    • PCT/SE2003/001958
    • 2003-12-16
    • TELEFONAKTIEBOLAGET LM ERICSSON (publ)ERIKSSON, Stefan
    • ERIKSSON, Stefan
    • G01S13/28
    • G01S13/282G01S7/2806
    • The invention refers to a method and an arrangement for signal processing for a target detecting device (1) where a return signal (8) is divided into two parallel branches where a first compression filter (15) compresses the signal in the first branch and where a second compression filter (17) compresses the signal in the second branch. The second compression filter (17) compresses the return signal (8) to a higher degree than the first compression filter (15). A delay filter (19) delays the first compressed signal (16a) compensating for a delay ΔT. Detectors (21, 22) processes the compressed signals (16b, 18) giving rise to detector signals (21, 23). The detector signals are compared and the minimum value of the compared detector signals (21, 23) is selected for all time frames, giving rise to a first output signal (25) comprising the minimum values from the first and second detector signals (21, 23).
    • 本发明涉及用于目标检测装置(1)的信号处理的方法和装置,其中返回信号(8)被分成两个并行分支,其中第一压缩滤波器(15)压缩第一分支中的信号,其中 第二压缩滤波器(17)压缩第二分支中的信号。 第二压缩滤波器(17)将返回信号(8)压缩到比第一压缩滤波器(15)更高的程度。 延迟滤波器(19)延迟补偿延迟ΔT的第一压缩信号(16a)。 检测器(21,22)处理产生检测器信号(21,23)的压缩信号(16b,18)。 检测器信号被比较,并且对于所有时间帧选择比较的检测器信号(21,23)的最小值,产生包括来自第一和第二检测器信号(21,23)的最小值的第一输出信号(25) 23)。