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关于二维小波变换的程序 [精华]
说明:此算法重在概念,速度并不是很快。因为FOR循环的缘故。此程序从循环矩阵的观点出发,把圆周卷积和快速幅里叶变换建立了联系。实现了分解和无失真重构。它只做了一层分解,即将256x256图形分解成为64x64的四个图形,避免了使用WKEEP()的困惑。主要思想为用小波滤波器族构造正交阵W,变换写为B=W*A*W ,反变换为:A=W *A*W,这与所有正交变换无异。W为循环正交矩阵,因此可用FFT实现快速运算,难点就在重构矩阵上。若用矩阵概念明确,一个
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使用该VHDL在仿真软件中实现RSC(递归系统卷积)码的编码以及解码硬件仿真-use of the VHDL simulation software in achieving RSC (recursive convolution system) code encoding and decoding hardware simulation
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图形算法合集4:快速线性插值、半色调技术、使用lookup查找表的快速卷积、Nurbs曲面三角化等等。-Graphical Collection 4: rapid linear interpolation, halftoning techniques, the use of look-up table lookup fast convolution, Nurbs surface triangulation and so on.
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数字信号处理 信号与系统响应(1) 熟悉连续信号经理想采样前后的频谱变化关系,加深对时域采样定理的理解。
(2) 熟悉时域离散系统的时域特性
(3) 利用卷积方法观察分析系统的时域特性
(4) 掌握序列傅里叶变换的计算机实现方法,利用序列的傅里叶变换对连续信号、离散信号及系统响应进行频域分析。
-Digital Signal Processing Signals and Systems in response to (1) familiar with the continuous
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设计一幅运动模糊图片。自定义点扩展函数,利用卷积运算实现运动模糊-the design of a motion-blurred images. Since the definition of point spread function, the use of convolution operation to achieve motion blur
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用C++实现的卷积公式 适合刚刚研究卷积公式的人使用-Using C++ to achieve just the convolution formula for those who study the use of convolution formula
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利用卷积求相关,在OFDM系统中实现去同步-Relevant for the use of convolution in OFDM systems to achieve synchronization
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1、观察采样引起的混叠。
2、判别离散时间系统的时不变性。
3、利用卷积计算信号通过FIR滤波器的输出,并观察输出信号的input-on暂态、input-off暂态和稳态阶段。
-One to observe the sampling due to aliasing. 2, determine the time invariant discrete-time systems. 3, the use of convolution calculation of the signal th
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采用vhdl语言编写的卷积编码(2.1.7),通过调试可直接下载使用-Convolution using vhdl language code (2.1.7) can be directly downloaded through the use of debugging
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关于利用褶积的方法计算雷克子波的一阶导和二阶导。-Methods on the use of convolution calculation Leike Zi waves and second derivatives of a derivative.
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对三维图像进行求导的一个程序,利用高斯卷积后对图像求导相当于对高斯函数求导的性质。是用itk库写的一个通用模板类,里面还有例子。-Computation of local image derivatives is an important operation in many image processing tasks that
involve feature detection and extraction, such as edges, corners or more complicat
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最主要的是采用卷积核来进行图像的低通滤波,进行平滑处理。-Most important is the use of convolution kernels to the image of the low-pass filtering, smoothing.
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计算信号相关性的传统方法,利用卷积来计算。-The traditional calculation of signal correlation methods, the use of convolution calculation.
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Thread Scheduling
As we have just seen, there are two basic ways of scheduling threads: proe
known as the scheduling contention scope, and are defined only in POSIX. Process
contention scope scheduling means that all of the scheduling mechanism
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使用DSP320F28335 实现卷积运算功能,该例程实现的是离散线性卷积。两个卷积因子x(n)、y(n),输出卷积结果f(n),由此模拟信号混合运算-Use DSP320F28335 convolution operation functions, the routine implementation of discrete linear convolution. The two convolution factor X (n), y (n), the output result of the
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利用VC++实现褶积运算,可以计算任意两个离散的数组的褶积运算。-Use VC++ to achieve convolution can be calculated between any two arrays of convolution.
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In this program a convolution is taken without the use of built in function conv
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通过本次实验更加深刻具体的了解信号与系统中离散卷积的运算过程.知道了信号的反褶和位移,阶跃信号x[n]在卷积中的运用,熟练掌握了卷积过程,为信号与系统后面的学习打下了基础。并且在利用MATLAB实现离散卷积的动态过程中,把课本上的理论知识与软件学习相结合,使卷积在脑海中留下更加立体生动的印象。-Through this experiment a deeper understanding of specific signals and systems Discrete convolution op
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this consists of convolution without filters, watermarking of image, zooming and shrinking of images without the use of inbuilt functions.
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Convolution Intro , It's Uses and Purpose
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