Data were embedded into the Least Significant Bit-plane (LSB) of high frequency CDF (2, 2) integer wavelet coefficients, which accorded with the principle of Human Visual System (HVS).
在图像的小波子带系数的最低位(LSB)嵌入隐藏数据，将数据嵌入到小波cdf(2,2)的高频子带系数中，符合人的视觉系统原理(HVS)。
And then addressing SAR image speckle denoising, this dissertation proposed a new method based on bivariate shrinkage function combined with enhancement of wavelet significant coefficients.
其次针对SAR图像相干斑抑制问题，提出一种双变量收缩函数与小波系数显著性增强相结合的SAR图像的斑点抑制算法。
Wavelet analysis of time coefficients indicates that it has the cycle of 2-4 years and the cycle component is more significant in the early 1950s and from the late 1990s to the early 21st century.
时间系数的小波分析表明其具有2 ~4年的周期，这一周期成分在1950年代前期和1990年代末至21世纪初这两个时段比较显著。
Wavelet analysis of time coefficients indicates that it has the cycle of 2-4 years and the cycle component is more significant in the early 1950s and from the late 1990s to the early 21st century.
时间系数的小波分析表明其具有2 ~4年的周期，这一周期成分在1950年代前期和1990年代末至21世纪初这两个时段比较显著。
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