查询词典 laplace transform

VC do image processing procedures, including tensile contrast, Fourier transform, discrete cosine transform, and so on Wiener filter.

用VC做的图象处理程序，包括对比度拉伸，傅立叶变换，离散余弦变换，维纳滤波等等。

These math operations involve not only the simple plus, minus, and multiplication operation but also the function of signal analysis such as Fast Fourier Transform and Discrete Cosine Transform.

这些数学运算从简单的加减法和乘法到复杂滤波以及信号分析功能如快速傅立叶变换和离散余弦变换都具有显著的优势。

This paper is to VisualC++ tool for digital image processing techniques, the basic theory, algorithm modules, thus realize thorough understanding of the basic function of image processing, including images of gray histogram equalization, image transformation, the Fourier transform and discrete cosine transform, the image enhancement processing low-pass filter high-pass filter and transformation.

本文是以VisualC++为工具，对数字图像处理技术的基本理论、模块算法做了深入的了解，从而实现图像处理基本功能，其中包括图像的灰度变换，直方图均衡，图像傅里叶变换和离散余弦变换，图像增强处理中的低通滤波和高通滤波变换。

In this paper, an improved technique of static image compression is completed based on the JPEG standard, the technique uses a new Fourier analysis technique called the arithmetic Fourier transform to compute discrete cosine transform coefficient.

本文在国际标准组织制定的静态图像压缩标准JPEG的基础上，提出了一种采用新的傅立叶分析技术—算术傅立叶变换来快速计算离散余弦变换系数值，改进了静态图像压缩技术，克服了DCT运算速度慢的缺点，同时克服了传统的快速离散余弦变换程序复杂，子进程多的缺点。

In Chapter 4, the related mathematical knowledge, methods and principles are presented which include mathematical morphology, Fourier transform and discrete cosine transform, illposed problem and corresponding regularization methods, basic iteration methods and preconditioning technologies.

回顾并比较了传统线性和非线性滤波方法，详细综述了从变分到PDE在图像滤噪与模糊恢复上的应用和发展，模型基本形式为无约束极小化问题：〓（1）惩罚算子L扩散形式为〓（2）Κ为扩散项，是调整扩散程度的关键因子。

Discrete Fourier Transform and Discrete Cosine Transform are used to get the descriptors of lip contours in the unsymmetrical lip contours model automatically. Hidden Markov Model is trained by using both of the descriptors as the eigenvector of lip contours, and then recognition ability is tested.4. Feature fusion is used to improve the classifiable power.

利用离散傅里叶变换和离散余弦变换分别得到描述唇形轮廓特征的傅里叶描述子和离散余弦变换描述子，然后将两类描述子作为唇形轮廓的特征向量，采用隐马尔可夫模型进行学习和识别，分析了两类描述子刻画唇形轮廓特征的能力。4。

Discrete Fourier Transform and Discrete Cosine Transform were used to get the descriptors of lip contours in the asymmetrical lip contour model.Then the Hidden Markov Model was trained using two kinds of descriptors as the eigenvectors of lip contours.

通过离散傅里叶变换和离散余弦变换分别得到描述唇形轮廓特征的傅里叶描述子和离散余弦变换描述子，然后将两类描述子作为唇形轮廓的特征向量，采用隐马尔可夫模型进行学习和识别。

Among many implement schemes of decoding, the one using chips is the fastest one. Specific decoding chips like FPGA or ASIC have parallel processing structures, which make them be much fit for being high performance data processing processors like Digital Filter, Fast Fourier Transform, Discrete Cosine Transform, etc, and also be the key part of high performance data processing systems. The implementation is synthesizable Verilog code at the RTL level. It is suitable for real time video applications.

在MP3 解码电路中，模块IMDCT 由三个子模块组成：IDCT子模块、加窗函数子模块、输出数据的叠加子模块。N/2 点的输入Xk 经IDCT 变换得到N 点的输出xi 的公式如下：将输出根据不同的块类型(有四种块类型，分别为普通、开始、结束、短型)采用不同的窗函数加窗，得到一个36 个点的输出(对于块类型为短型的块，单个小块的输出是12 个点，每三个小块组合成一个36 个点的输出)。

Using the limit definition of Fourier transform, the paper has proved the universal form of Fourier transform differential and integral characteristic theorem, explained its application method, and pointed out that errors can be substantially reduced by using this method.

提要：本文采用Fourier变换的极限定义式，证明了普遍形式的Fourier变换微积特性定理。

This paper is composed of the algorithm design of dual-tree binary coefficients complex wavelets,MGM algorithm for linear systems that can be diagonalized by generalized discrete Fourier transform and type-II discrete sine transform matrices, wavelet and MGM algorithms for Toeplitz systems and their applications in signal and image processing.

本文以多进制小波与对偶树二进制系数复数小波算法设计、三角变换对角化系统MGM算法、Topelitz系统的小波与MGM结合算法作为理论主线，以对偶树复数小波与扩散方程方法结合的图像去噪，信号与恢复作为应用背景展开讨论。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。