We evaluate the coefficients with fast wavelet transform.
方程的系数形成可用快速子波变换。
General functions may be represented as Wavelet series. A kind of stabile, efficient and fast algorithm of Wavelet transform may be gotten through multi-resolution analysis.
一般函数都可以写成小波级数的形式,而由多分辨分析可得到小波的稳定有效快速变换算法。
The algorithm improves the EZW algorithm through inducting fast successive approximation quantization and effective treatment of marginal subband of wavelet transform.
该方法通过引入快速逐次逼近量化和对小波变换边缘子带的特殊处理,对EZW算法进行了改进。
This paper describes the principle of singularity detection of signals with wavelet transform. A fast algorithm is developed for computing wavelet transform of signals.
本文介绍了小波变换用于信号突变的检测原理,给出了实现小波变换的快速算法。
The properties of the wavelet transform and the discrete dyadic wavelet transform are discussed and a fast wavelet algorithm for one-dimensional signals is described.
论述了连续小波变换和离散小波变换的性质、方法,介绍了离散二进小波变换的快速算法。
After comparing the FFT (fast Fourier transform) and WT (wavelet transform), this paper gives the selection firstly. WT is chosen to analyse the pressure response signal from the EHS.
本论文在试验阶段,首先对傅立叶变换和小波变换进行了对比,选择用小波变换来分析从电液伺服系统提取的压力信号。
A new method on the basis of wavelet transform (WT) was presented to easily adjust the parameters of filter bank and realize fast algorithm of speech processing for cochlear implants.
为克服以往滤波器组参数调整复杂问题和实现电子耳蜗语音处理的快速数字化计算,提出了将小波变换应用于电子耳蜗的语音处理。
They are used to yield accurate estimation for the hop frequencies and hop rate, which are fast 4th-order cyclic cumulants algorithm, time-frequency backbone curve analysis, and wavelet transform.
利用快速四阶循环累积量算法、时频脊线分析与小波变换相结合的方法,实现了跳频频率和码速率等参数的高精度估计。
The wavelet transform theory is one of the effective tools mat widely apply to image processing recently, which have charicrictics of multiresolution analysis, fast working time, etc.
小波分析理论是近年来广泛使用于图像处理领域的有效工具之一,具有时域和频域的双重局部性、多尺度分析、计算的快速性等特点。
Three typical stress waves induced by impact loads were analyzed by both Fast Fourier Transform (FFT) and Wavelet, and the distribution rules of frequency and energy of stress waves were obtained.
对三种典型应力波分别利用傅立叶变换与小波变换进行了对比分析,得知了它们的频率分布以及能量分布规律;
Three typical stress waves induced by impact loads were analyzed by both Fast Fourier Transform (FFT) and Wavelet, and the distribution rules of frequency and energy of stress waves were obtained.
对三种典型应力波分别利用傅立叶变换与小波变换进行了对比分析,得知了它们的频率分布以及能量分布规律;
应用推荐