公开(公告)号：US20080317477A1

公开(公告)日：2008-12-25

申请号：US12101351

申请日：2008-04-11

Applicant: Ing-Song Lin ,  Ye-Pin Chen

Inventor： Ing-Song Lin ,  Ye-Pin Chen

IPC: H04B10/06

CPC classification number: G01S17/10 ,  G01S7/4873 ,  G01S7/4876

Abstract: A method for digital signal processing is disclosed. Reflected laser signals are received and digitized to generate corresponding digital signals. The digital signals are accumulated to generate an accumulated signal. A digital filtering operation is applied to the accumulated signal to generate a filtered signal. A maximum signal value for the filtered signal is found and a threshold value is set accordingly. It is determined whether the maximum signal value is less than the threshold value, and, if not, a distance value is calculated.

Abstract translation: 公开了一种用于数字信号处理的方法。 反射的激光信号被接收并数字化以产生相应的数字信号。 数字信号被累积以产生累积信号。 数字滤波操作被应用于累积信号以产生滤波信号。 找到滤波信号的最大信号值，并相应设置阈值。 确定最大信号值是否小于阈值，如果不是，则计算距离值。

公开(公告)号：US08103059B2

公开(公告)日：2012-01-24

申请号：US12101351

申请日：2008-04-11

Applicant: Ing-Song Lin ,  Ye-Pin Chen

Inventor： Ing-Song Lin ,  Ye-Pin Chen

IPC: G06K9/00

CPC classification number: G01S17/10 ,  G01S7/4873 ,  G01S7/4876

Abstract: A method for digital signal processing is disclosed. Reflected laser signals are received and digitized to generate corresponding digital signals. The digital signals are accumulated to generate an accumulated signal. A digital filtering operation is applied to the accumulated signal to generate a filtered signal. A maximum signal value for the filtered signal is found and a threshold value is set accordingly. It is determined whether the maximum signal value is less than the threshold value, and, if not, a distance value is calculated.

Abstract translation: 公开了一种用于数字信号处理的方法。 反射的激光信号被接收并数字化以产生相应的数字信号。 数字信号被累积以产生累积信号。 数字滤波操作被应用于累积信号以产生滤波信号。 找到滤波信号的最大信号值，并相应设置阈值。 确定最大信号值是否小于阈值，如果不是，则计算距离值。