Key;
Laboratory;
of;
Thin;
Solid;
Film;
and;
Integrated;
Devices;
School;
of;
Optoclectrunic;
Information;
University;
of;
Electronic;
Science;
and;
Technology;
of;
China;
Chengdu;
610054;
China;
China;
Research;
Institute;
of;
Electric;
&;
Optic;
Beijing;
100015;
China;
检测系统; 测量精度; 激光探测; 交叉相关性; 多光束; 相关检测方法; 有限脉冲响应; 数字滤波器;