Q scan, a qualitative analysis method, is analogous to velocity scanning or frequency scanning.
前者类似于速度扫描或频率扫描，属于一种定性分析方法；
The method USES FFT instead of the cyclic frequency scanning.
该方法利用FFT运算代替循环频率遍历搜索。
Based on the analytic method of cyclic spectrum density, the paper pointed out that the impact frequency could be extracted effectively with the help of scanning cyclic frequency domain.
通过对循环谱密度分析方法的特性分析，指出应用循环谱密度分析方法可以在循环频率域有效提取出滚动轴承的冲击故障频率。
In coordination with the application of post-set arc suppression coil, a frequency scanning based modified method for detecting system capacitance to earth is proposed.
为配合随调式消弧线圈的使用，提出了一种扫频检测系统对地电容的改进型方法。
A method of frequency spectrum analysis is introduced, which be realized by collect the virtual value of appoint frequency vibration through scanning frequency.
介绍了一种用频率扫描抽取指定频率振动分量有效值的方法实现硬件频谱分析的工作原理。
The method to get angle information from the conical-scanning stepped-frequency signal is investigated.
介绍了频率步进圆锥扫描体制中的目标角度信息的提取方法。
The electro optic sampling system constructed with the multiple frequency phase shift scanning method was introduced.
分析了倍频移相扫描法的工作原理，介绍了用倍频移相扫描法构成的电光采样测量系统。
The amplitude frequency characteristic curve and loss factor of laminated damping steel sheet have been calculated and measured with the sine scanning excited method.
本文应用能量原理和阻尼分析的方法解决了平纹织物复合材料的复杂结构损耗因子的计算问题。
The amplitude frequency characteristic curve and loss factor of laminated damping steel sheet have been calculated and measured with the sine scanning excited method.
本文应用能量原理和阻尼分析的方法解决了平纹织物复合材料的复杂结构损耗因子的计算问题。
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