velocity scanning的意思|示意

The scanning mirror precise servo system is designed by the scheme of compound control of open and closed loops with current, velocity and position loops in this paper.

针对扫描镜精密伺服系统，本文采用按照电流环、速度环和位置环等三个回路进行控制系统设计的开闭环复合控制方案。

Methods Liver scanning was performed with a high frequency transducer to measure the velocity acceleration time and resistant index of portal vein and hepatic artery after finishing the anastomosis.

方法选用高频手术专用探头，于手术中门静脉、肝动脉吻合完成后立即测量肝动脉及门静脉血流速度，并计算快速充盈时间及阻力指数。

With the laser scanning vibrometer, based on the Doppler effect, the muzzle vibration velocity is measured.

炮口振动速度测试可以采用激光测振仪，它是基于多普勒原理的激光非接触测振技术而研制的。

There exists a big error for long spread seismic data process in conventional velocity scanning.

常规速度扫描在处理长排列地震资料时会出现较大的偏差。

The fluctuation is enhanced with the increasing of scanning velocity.

随扫描速度增加，界面形态由平直向波浪形变化；

Then approximate wave impedance is computed after background velocity has been obtained by making constant-velocity scanning.

并在常速扫描取得背景速度的基础上计算近似波阻抗。