1) frequency-time spectrum scanning
频率-时间谱扫描
2) Temporal scanning of spectrum
频谱时间扫描
3) frequency scans at different pump-to-probe separations
变间距频率扫描
1.
Modulated free carrier absorption characterization of semiconductor wafers by frequency scans at different pump-to-probe separations
根据调制自由载流子吸收(modulatedfree carrier absorption,MFCA)检测技术的三维理论模型,采用变间距频率扫描方式测量单晶硅样品的电子输运参数,进行了仿真与实验,对结果进行了分析;通过多参数拟合,获取了测试样品的载流子扩散系数、少数载流子寿命和前表面复合速度。
4) frequency spectrum scanning
频谱扫描
5) frequency-time spectrum
频率-时间谱
6) Frequency sweep
频率扫描
1.
The direct digital synthesizing frequency sweep signal system based on the technique of ISP;
基于ISP技术的数字频率扫描信号发生系统
2.
In the linear viscoelastic region, the frequency sweep measurement results showed that the waste liquor polymer solution has viscoelasticity.
在线性粘弹性范围内,频率扫描试验得出:甘蔗渣浆废液多聚物是具有一定粘弹性的粘弹体,增加固含量和提高温度都会提高复合模量G*,粘弹性更突出。
3.
A novel method of direct digital synthesizing frequency sweep signal is presented.
介绍了利用直接数字合成技术产生频率扫描信号的新方法。
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条