变换的

Finally,a semi-fragile zero watermarking algorithm is designed based on the high frequency property of audio signal.

然后，结合离散小波变换的多分辨率分析特性、离散余弦变换的能量压缩特性以及高阶累积量的高斯噪声抑制特性，提出了一种音频零水印算法。

It has been showed that the quantum PCII can be still valid for the general case Jacobi J 1, which is different from quantum Noether theorem. The equivalence between quantum canonical equation and PCII is deflved at the quantum level. The comparisons of these results in quantum level with those in classical theories are discussed in detail. The relationship of canonical transformation with quantum PCII is obtained.

结果表明，当变换的Jacobi行列式不为1时，量子PC积分不变量仍然存在，从而把PC积分不变量推广到了最一般情形；在量子水平上，证明了量子正则方程与该积分不变量之间的等价性；比较了经典与量子PC积分不变量以及PC积分不变量与Noether定理；给出正则变换与量子PC积分不变量间的关系。

The left inverse perfect shuffle, right perfect shuffle and the right inverse perfect shuffle are discussed complementally based on some reports on left perfect shuffle in previous papers.

针对目前已经采用的实现左混洗变换方法的不足，提出了利用微光学衍射元件实现全混洗变换的方法。

The stability boundary for a di sturbed electric power system is changed to a coordinate plane after a linear a nd a nonlinear transformation.

提出了基于稳定流形变换的电力系统暂态稳定性计算的方法，推导了状态矩阵有任意对复数特征根时的非线性变换矩阵。

Prepared by the images of discrete cosine transform and w...

Visual C++编写的图像的离散余弦变换和小波变换的源代码，可直接运行。

Prepared by the images of discrete cosine transform and wavelet transform the source code can run.

Visual C++编写的图像的离散余弦变换和小波变换的源代码，可直接运行。

The problem of contour segment of 2-dimensional image could not be gotten very well with wavelet transform in image processing is analyzed in this paper.

首先分析了小波变换在进行图像处理时不能有效表示直线/曲线的奇异性问题，然后研究了能够很好表示二维或更高维奇异性的Contourlet变换的基本原理。

At the same time, classical wavelet transform has been a strong tool in signal processing. But it is not proper for CWT to be used in nonlinear field because it is based on traditional fourier transform.

同时，传统小波变换已经成为信号处理中的经典算法，但因其建立在傅立叶分析的基础之上，仍然属于线性变换的范畴，而在一些实际应用中，对非线性方法已经提出迫切要求。

Secondly, brief to introduce Wavelet Transform definition. Mallat algorithm, two-dimensional wavelet decomposability of image and orthogonal wavelet decomposability. And the zero tree structure of image wavelet transform.

其次，简要介绍了小波变换的定义、Mallat算法、图像的二维正交小波分解以及图像小波变换的零树结构。

Lumped parameter systems are described by ordinary differential equations; while distributed parameter systems are described by partial differential equations.

传递函数的定义为系统在零初始条件下，其输出信号的拉氏变换与输入信号拉氏变换的比值。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。