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1. 发明申请

US20070263215A1 Means and methods for signal validation for sizing spherical objects 有权
标题翻译：用于尺寸球形物体的信号验证的方法和方法
公开(公告)号：US20070263215A1
公开(公告)日：2007-11-15
申请号：US11433005
申请日：2006-05-12
申请人： William Bachalo , Gregory Payne
发明人： William Bachalo , Gregory Payne
IPC分类号： G01N15/02
CPC分类号： G01B9/02074 , G01B9/02045 , G01B9/02084 , G01B2290/45 , G01N15/1434 , G01N15/1463 , G01N2015/144 , G01N2015/1454 , G01N2015/1493
摘要： Methods and apparatuses for validating signals to determine sizes and velocities of spherical objects are described. Light is scattered from a spherical object to form an interference fringe pattern. Portions of the interference fringe pattern are received by photodetectors. In response, the photodetectors generate time varying electrical signals. At least one of the time varying signals is partitioned into timing segments. The timing segments are processed to determine one or more timing parameters. A timing parameter consistency between at least two of the timing segments is verified. At least one of the time varying signals is validated based on the timing parameter consistency. The time varying electrical signal is accepted if a timing parameter difference is less or equal to a predetermined timing parameter error threshold. The time varying electrical signal is rejected if the timing parameter difference is larger than the predetermined timing parameter error threshold.
摘要翻译：描述了用于确定信号以确定球形物体的尺寸和速度的方法和装置。光从球形物体散射以形成干涉条纹图案。干涉条纹图案的部分由光电检测器接收。作为响应，光电检测器产生时变电信号。时变信号中的至少一个被划分为定时段。处理定时段以确定一个或多个定时参数。验证至少两个定时段之间的定时参数一致性。基于定时参数一致性来验证至少一个时变信号。如果定时参数差小于或等于预定定时参数误差阈值，则接受时变电信号。如果定时参数差大于预定定时参数误差阈值，则时变电信号被拒绝。

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