On the basis of this method, and taking advantages of the methods-time-domain translation as well as the window length change, the uniform formula for the phase difference correction is derived.
在此基础上,将窗中心平移法与时域平移和改变窗长法综合应用,推导出相位差校正的统一公式。
Compared with the original two kinds of Phase-Difference Correction, only one sequence of time-domain signal is sampled and FFT analysis of same points is performed twice in this method.
与原两种相位差法相比,这种方法只采一段时域信号,且进行两次相同点数的FFT分析。
The interrelated factors of the error caused by sonic flowmeter using the time difference by hydrodynamics were analyzed, and the correction method was introduced.
运用流体力学原理,分析了利用时差法进行超声波流量检测时误差产生的相关原因,并提出了修正方法。
Finally, the paper made correction of interface influence for inverted time difference and calculated the porosity parameter with higher resolution and as consistent with real situation.
最后,对反演的声波时差资料进行界面影响校正,进而计算出较符合实际情况的孔隙率参数。
A new code acquisition method based on phase difference correction of FFT is presented to solve the problem of long code acquisition time in high dynamic DSSS receivers having large frequency offset.
针对大频偏下高动态直扩接收机伪码捕获时间长的问题,提出了一种新的基于FFT相位精确估计频偏的改进方法。
A new code acquisition method based on phase difference correction of FFT is presented to solve the problem of long code acquisition time in high dynamic DSSS receivers having large frequency offset.
针对大频偏下高动态直扩接收机伪码捕获时间长的问题,提出了一种新的基于FFT相位精确估计频偏的改进方法。
应用推荐