Obviously, the dynamic threshold is to use quasi-peak level that, while the signal to noise ratio is expressed with the quasi-average levels, and the difference is obvious in.
显见，动态阈是用准峰值电平表示，而信噪比则是用准平均值电平表示的，两者的区别是显而易见的了。
Compared with the traditional de-nosing methods by threshold value and translation invariance, the algorithm increases the signal to noise ratio.
与传统的阈值去噪法和基于平移不变量的去噪算法相比，该算法提高了信噪比。
The variable relationship between the threshold of the extrapolation and its correspondent Peak of the Signal-to-Noise Ratio (PSNR) in the Wavelet Bi-linear Interpolation Algorithm is deeply analyzed.
分析了小波双线性插值中高频外推阈值门限与重建图像峰值信噪比的变化关系，提出了峰值信噪比最大小波双线性插值迭代算法。
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。
It is demonstrated that ML estimating error can converge to CRB quickly with increasing synthetic aperture length and Signal to Noise Ratio (SNR), but a threshold effect exists.
研究表明，随着合成孔径长度和信噪比的增加，ML估计误差可以很快地收敛于CRB，但存在阈值效应。
However, the traditional weak signal detection method, input signal to noise ratio threshold are subject to certain restrictions, it is difficult to further reduce.
然而，传统的微弱信号检测方法，输入信噪比门限受到一定限制，很难进一步降低。
The result verifies that the new method possesses both merits of hard and soft threshold methods, offers better denoising effect and higher signal to noise ratio.
结果证明，新方法兼顾了软硬阈值法的优点，去噪效果更好，信噪比更高。
The result verifies that the new method possesses both merits of hard and soft threshold methods, offers better denoising effect and higher signal to noise ratio.
结果证明，新方法兼顾了软硬阈值法的优点，去噪效果更好，信噪比更高。
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