The virtual signal generator has 12-channels outputs for linear scanning frequency signal or fixed frequency sine wave excitation signal.
该发生器可以输出相位差可调的12通道线性扫频正弦激励信号或者输出12通道定频正弦激励信号。
The EB scanning track, scanning frequency and energy density distribution at heating zone could be programmed off-line and adjusted on-line.
利用该系统可对电子束扫描轨迹、扫描频率以及加热区域电子束能量密度的分配进行离线编辑和在线调节。
This paper presents formula to calculate the scanning frequency, scanning Angle, scanning width and excessive focal length of the wide-band laser scanning device.
介绍了激光宽带扫描装置，提出了多棱镜宽带扫描的扫描频率、扫描角度、扫描宽度、过剩聚焦长度的解析式。
Therefore, the scanning period is shortened, the scanning frequency and system accuracy are enhanced and the data acquisition reliability is enhanced compared with the prior art.
从而缩短扫描周期，加快扫描频率并提高系统精确度，相对于现有技术使数据采集的可靠性提高。
Therefore, the scanning period is shortened, the scanning frequency and system accuracy are enhanced and the data acquisition reliability is enhanced compared with the prior art.
从而缩短扫描周期，加快扫描频率并提高系统精确度，相对于现有技术使数据采集的可靠性提高。
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