two-dimensional signal

The changing relation between the two restricts the threshold value of signal-to-noise ratio for seismic prospecting.

二者的变化关系制约着地震勘探的信噪比临界门限值。

The grating sensor comprises two pairs of gratings which are installed on a safety island, and the gratings are connected with a weighing control machine cabinet through signal cables.

它包括安装在安全岛上的两对光栅，光栅通过信号线缆连接到称重控制机柜。

An image is actually a two-dimensional signal. So it is natural to apply wavelet analysis to the area of image processing.

平面图像可以看成是二维信号，因此，小波分析很自然地应用到了图像处理领域。

For the exactly soluble case of unidirectional ring laser with a homogeneous broadened line, the frequency shift relation, the critical and threshold value of inversion, the phase transition behavior and the features of the two-photon lasers with injected signal are analysed.

就可以精确求解的均匀展宽、单向环形激光器的情形，分析了频率位移关系，反转度的临界值和阈值，相变行为，以及带有外加讯号的双光子激光的特性。

The threshold value signal of two-valued is offered by Digital potentiometer which is controlled by SCM.

该方法中输出信号进行二值化时阈值信号由数字电位器提供，单片机产生数字电位器的控制信号。

In addition, Hamilton quaternion, Ma quaternion and their Euler formula similar to that of two-dimensional real signal were discussed.

讨论了Hamilton四元数、马氏四元数及其与二维实信号类似的欧拉公式。

An 8 × 2. 5 Gbit/ s optical time division multiplexing signal generating system has been achieved by using two 1 × 8 single-mode fiber couplers.

采用两只1×8单模光纤耦合器，实现了8×2.5Gbit／s时分复用信号的产生。