航片扫描仪的台面系统完成待扫描航片的卷片、定位、压平等操作,为航片的精确扫描提供支撑。
The space scan method of wavelength is put forward for the principle of the dual FFPI sensor measuring precise surface roughness, and its basic construction is discussed.针对双光纤f—p干涉仪测量高精度表面粗糙度的原理,提出波长的空间扫描方法,并对其构成进行了分析。
Laser scan micrometer is a type apply in precise measure of optical scan tech.激光扫描测微仪是光学扫描技术在精密测量中的典型应用。