多姿态，多角度，有不同光照,采用波束成形技术的BER计算，包括邓氏关联度、绝对关联度、斜率关联度、改进绝对关联度。- Much posture, multi-angle, have different light, By applying the beam forming technology of BER Including Deng s correlation, absolute correlation, correlation of slope, improved absolute cor