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。
Applying period frequency spectrum method to analysis of digital seismic recording is discussed in this parer.
论述了周期-频度谱方法在分析数字化地震记录中的应用。
When the signal spectrum falls into two or more channels, a method of spectrum assembling in frequency domain is used to obtain the positive or negative half spectrum.
在频域中当信号频谱处于两个或更多个滤波器通道时，通过频谱组合办法直接得到实信号的正半谱或负半谱。
应用推荐