phase spectrum

For a thin interbed of sand and shale, the periodicity of its amplitude or phase spectrum can be unveiled with Fourier analysis in a narrow window.

对砂泥岩薄互层段，用短时窗对地震道做傅里叶分析，可以显示薄层振幅谱和相位谱的周期性。

Wide-angle reflection is closer to the minimum phase spectrum.

广角反射波与临界角内反射波相比更接近于最小相位。

The product spectrum was defined as the product of the power spectrum and the group delay, this feature combined the information contained in the magnitude spectrum and the phase spectrum of the range profiles and carried more information about the shape of the aircrafts.

积谱定义为功率谱与群延迟的乘积，该特征能够充分利用目标一维距离像的幅度谱与相位谱信息。

In constant phase correction of seismic record, the phase spectrum plus a constant and the instantaneous phase plus the same constant can bring the same result.

在实现常相位校正时，在记录的相位谱上加一个常数与在记录的瞬时相位上加同一个常数，结果是相同的。

The results of Strehl ration calculation after low-order modes and tilt part correction at varies atmospheric turbulent intensity and phase spectrum descend efficiency are discussed detailed.

给出了在各种不同大气湍流强度、不同相位谱空间频率的下降因子时，大气湍流相位波前低阶模式完全校正后和倾斜部分校正时的斯特列尔比的计算结果。

It includes the stipulation that the phase spectrum over that range should be a straight line.

它包括了在该范围上相位谱应为直线的规定.

Advances in measurement instrumentation now make it feasible to accurately measure both the magnitude spectrum and the phase spectrum of wide-bandwidth microwave signals.

伴随着测量仪器的发展，现在我们不仅能够精确的测得宽带微波信号的幅度谱，同样能够精确的测得其相位谱。