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- Adapted wavelet bases are selected for different fabric by using max of each pixel gray in decomposed sub-image being minimum as sufficient condition, and genetic algorithm as optimization method. 以分解子图中像素最大能量值最小作为逼近条件,采用遗传算法作为寻优算法,从而实现针对不同的织物,自适应地构造小波基。
- adapted wavelet bases 自适应小波基
- The most important thing in using CWT is to select proper wavelet base. 运用连续小波变换提取故障特征最重要的是选择合适的小波基函数。
- In recent years, M-band orthonormal wavelet bases, due to their good characteristics, have attracted attention. M带正交子波基由于所具有的优良特性得到了广泛关注。
- At the same time, the selection method of Wavelet bases and hierarchy number is also analyzed here. 同时,分析了在合成脉动风时小波函数基的选取方法和分层数的选取。
- Though multiscale analysis is applied to logging data generally,the selection of wavelet base is not studied in detail. 多尺度分析方法在测井资料的处理中得到广泛应用,但没有对小波基的选取进行过详细研究。
- The WBSC method is then extended to linear time-varying systems.Two sets of wavelet bases are now needed in order to capture the time-varying property. 在时变系统部分我们将小波系统描述法加以拓展应用,利用两组的小波基底描述系统之脉冲响应函数,藉以掌握时变特性。
- First, adaptive wavelet transformation is acted on original image, and then mixed scrambling algorithm is adapted to treat with the watermarking image. 首先利用改进的自适应小波变换对原始图像进行处理,然后采用混合置乱算法对水印图像进行处理。
- Through extensive experiments, the biorthogonal wavelet base (D5/3) is chose for real-time compression of remote sensing image. 实验结果表明D5/3双正交小波基最适合于遥感图像实时压缩,最后经实验验证其选取是合理的。
- The wavelet theory was introduced.The residual signal from the gyroscope was decomposed by the different scale biorthogonal stationary wavelet base. 摘要在介绍小波分析理论的基础上,本文采用双正交静态小波基对陀螺仪去漂后的残差信号进行不同尺度的分解。
- Construction of adapted orthogonal wavelet bases for fabric defect inspection 织物疵点检测中自适应正交小波基的构造
- An algorithm for constructing adaptive wavelet filters was proposed, and applied to multivariate calibration of the near infrared (NIR) spectra. 摘要实现了一种构建自适应小波滤波器的方法,并将其用于近红外光谱数据的多元校正。
- The directional orthonormal wavelet bases are constructed and the corresponding fast algorithm is also provided, by which the directional characterizations of the signal can be extracted efficiently. 构造出用于信号的方向性分析的正交小波基,给出了快速算法.;该方法能提取信号的方向特征,适合信号的方向性检测
- Experimental result shows that this algorithm yields higher PSNR compared to other adaptive wavelet denoising algorithms. 仿真结果表明,该算法与其它自适应门限去噪算法相比,去噪后的图象具有更高的峰值信噪比(PSNR)。
- By the different wavelet bases, the comPressed multi-level vector map datacan be obtained, and the data can be used to enlarge and reduce electrica1 maP,building InaP Mase and so on. 利用这一系列模型,可以根据原矢量数据得到多层次、多细节的压缩数据,以满足地理环境仿真和数据库建设等应用中不同层次的需求。
- An adaptive wavelet network classifier for vibration fault diagnosis of steam turbine-generation is proposed based on theory of adap tive wavelet network( AWN). 基于自适应小波网络理论,构造了一个应用于汽轮发电机组振动故障诊断与识别的自适应小波网络分类器。
- The author is going to adapt his play for television. 作者将把他的剧本改编成电视剧。
- A new embedded zerotree wavelet based data compression method was proposed and applied to power system malfunction data compression. 摘要在小波包变换的基础上提出了一种新的基于嵌入式零树编码的数据压缩方法,并将其应用于电力系统故障数据压缩中。
- An adaptive wavelet network classifier for vibration fault diagnosis of steam turbine-generation is proposed based on theory of adap tive wavelet network (AWN). 基于自适应小波网络理论,构造了一个应用于汽轮发电机组振动故障诊断与识别的自适应小波网络分类器。
- LBT costs 38% computation as the discrete wavelet based , and only buffers 1/15 data that DWT does. 该算法中LBT所需的存储开销不到DWT的1/15,计算量仅为DWT的38%25,基函数长度适中。