可进行摄像机标定，自动求出一个摄像机的内外参数，也包含程序求两个摄像机的全局标定，两摄像机之间的旋转平移矩阵-Camera calibration can be automatically calculated inside and outside the parameters of a camera, also includes procedures for seeking the global calibration of two cameras, two cameras rotating

sipp的常用呼叫场景业务脚本内容，包括局内局外呼叫、100rel支持、181前转等-common call scenarios sip service scr ipt content, including inside and outside this Council call, 100rel support, 181 forwarding, etc.

基于量和角度将根归到单位圆外, 和单位圆内复杂和实根-Sort roots based on magnitudes and angles into complex and real roots outside the unit circle, and complex and real roots inside the unit circle