In the case of nonuniform decay in the energy space, we derive explicit polynomial decay estimates valid for regular initial data.

在能量空间中，当梁的能量非一致衰减时，由初始条件得到了梁的能量多项式衰减估计。

youdao

Finally, for geometric correction of near space oblique remote sensing images, a piecewise polynomial geometric correction method is studied, and achieved the desired accuracy of calibration.

最后针对临近空间大倾角失真遥感图像提出了一种分段多项式几何校正方法，取得了理想的校正精度。

youdao

This method includes the following steps: 1. Obtain time polynomial of signal using cross correlation in a time-space window, the polynomial determining the phase times of signal on all traces;

此法的第一步是在信号时-空窗内用多道互相关确定信号时间多项式，此多项式决定了各道的信号相位时间；

youdao