It's discussed that the method of RMS and frequency measurements directly from the wavelet transform data associated with each sampling sine voltage (current) element pair containing harmonic.
讨论了对含谐波的正弦电压(电流)采样值直接进行小波变换计算基波、谐波电压(电流)的有效值及频率的方法。
The method uses wavelet transform and principle component analysis to preprocess fault signal, afterward training and testing wavelet neural network with the preprocessed fault characteristic data.
该方法首先利用小波变换和主成分分析对故障信号进行预处理,然后用处理后的故障特征数据对小波神经网络进行训练和测试。
A system model of image sequence coding based on wavelet transform is established. Then a high data compression ratio is realized and satisfactorily reconstructed image can be obtained.
建立了基于小波变换的运动图像编码系统模型,实现了数据的高效压缩并得到了良好的恢复图像。
This paper analyzed the characteristic of noise in hyperspectral data deeply, and puts forward a de-noising method based on stationary discrete wavelet transform (SDWT).
文章深入分析了高光谱遥感数据中噪声的特点,提出了一种基于平稳小波变换的改进小波滤噪算法。
The method of sparsely row-indexed storage has been used to compress large volumes of image data, on the base of integer wavelet transform constructed by lift scheme.
基于提升方法构造的整数小波变换,采用行索引稀疏存储方案,可以对海量影像数据进行高保真的压缩。
Wavelet transform is a powerful tool for the analysis of the geophysical data. Therefore it is important to develop the program of wavelet analysis and its application.
小波变换是地球物理数据分析的有力工具,研制小波分析应用程序系统并将其广泛地应用于实际的资料处理和分析,尤其重要。
In this paper, we describe a data compression method based on wavelet transform for spectral information.
本文介绍一种基于子波变换的光谱信息数据压缩方法。
The image data of the photo set was compressed with IBR compression algorithms such as the block coder, the reference coder and multidimensional wavelet transform.
再用块编码、参考编码和高维变换(小波)编码等三类I BR压缩系统对照片集图像数据进行压缩。
The paper, by using the transform characteristic of Wavelet, mainly studies the method for image data compression in order to search for the new way of high proportion, high quality image compression.
小波变换是一个新兴数学分支,本文利用小波变换的特性研究图象数据压缩方法,以探寻高比例、高质量压缩图象数据的新途径。
The advantages of wavelet transform constructed with lifting scheme are introduced and compression algorithm based on lifting wavelet for SAR raw data is proposed.
该文介绍了提升方法构造小波变换的优点,结合SAR原始数据的特点,提出了基于提升小波变换的SAR 原始数据压缩算法。
By replacing the basic wavelet in the ST with actual seismic wavelet which was extracted from seismic data, the general s transform (GST) was achieved in the seismic data analysis.
将从地震资料中提取的地震子波代替S变换中的基本小波,实现了应用在地震资料中的广义s变换。
Local structural entropy measure in frequency division is put forward to detect local discontinuities of seismic data, by the virtue of the instantaneous attributes based on wavelet transform.
本文基于小波变换具有多尺度多分辨率分析的优点,提出了在特定的小波变换分频瞬时属性上,利用局部结构熵算法来检测地震数据的局部不连续性。
For the advantage of wavelet transform in denoising and data compression, we choose wavelet transform to denoise and compress the data of Near-infrared spectra.
并根据小波变换在噪声滤除及数据压缩方面的优势,选取小波变换对光谱数据进行滤噪和初步压缩。
A new remote sensing image coding scheme based on the biorthogonal wavelet transform and SPIHT algorithm is proposed according to the statistical characteristic of remote sensing image data.
针对遥感图像的数据特点,提出了结合双正交变换和SPIHT算法的遥感图像小波零树编码方案。
The project is based on wavelet transform image compression, and implements wavelet transform, subband coding, The quantization and entropy encoding processes provide data compression;
该方案基于小波变换的场内图像压缩技术,采用小波变换、子带编码、自适应量化和熵编码来对图像数据进行压缩;
Pressure data were analyzed by wavelet transform in wavelet domain. Frequency band energy spectrum and intensity index of ISW based on wavelet coefficient were obtained.
通过基于子波的分析方法,对压力数据进行了分析,获得了基于子波系数的频带能量谱和冲击波强度指数。
Firstly, Wavelet packet transform is introduced to extract features of vibration measured data and information fusion of data layer is conducted by assembling feature vectors of different sensors.
首先应用小波包变换对结构振动测试数据进行特征提取,通过不同传感器特征向量的合成完成数据层融合;
Wavelet transform is introduced into traffic flow data preprocessing to enhance data accuracy. And the BP neural network predicts the future traffic flow velocity using the historical data.
在数据预处理中引入小波变换对交通流数据进行消噪处理,以提高数据的准确度。
On the basis of expounding the basic principle using 2-d wavelet transform for seismic attributes data, the paper built up the effective flow used for multi-scale edge detection of image.
本文在阐明二维小波变换用于地震属性数据基本原理的基础上,建立了小波变换用于图像多尺度边缘检测的有效流程。
Wavelet, future, RB1610-Wavelet transform, analyze futures rebar RB1610, the cycle of the source code, including data, direct executor can definitely use.
用小波变换,分析期货螺纹钢RB1610,周期的源代码,含数据,直接执行程序即可;绝对可以用。
Based on summer precipitation data, by using trend analysis, wavelet transform methods, the changes of summer rainfall in North China and in India were analyzed.
利用华北和印度夏季降水资料,采用趋势分析、小波变换等方法,对两地区夏季风降水进行了对比分析。
The practical problems in the fault detection and fault location using the wavelet transform, such as the wavelet basis function, the initial data, the velocity of traveling wave are studied.
针对小波变换在故障检测与测距中应用的实际问题如小波基函数、小波变换初始数据、行波波速的选取等进行了研究。
By using the devised predictor and updater for second geueration wavelet transform composition, threshold processing and reconstruction, the data trend can be obtained.
采用设计预测器和更新器对监测数据分解、阈值处理和重构,得到监测数据的趋势。
This paper proposes three kinds of image process technology based on wavelet transform. First, image data are processed by 2 dimension dispersed wavelet transform.
提出了三种基于子波变换的图像处理技术先对图像数据进行二维离散于波变换,根据子波变换后高。
This paper mainly points out how to analyze and get rid of the random noise of seismic data by using the wavelet transform and de-noising method by threshold filter in wavelet domain.
本文主要是使用离散二进小波变换,采用小波域阈值的去噪方法对地震信号中随机噪声进行分析和处理。
The paper, by using the transform characteristic of wavelet, mainly studies the method for image data compression in order to search for the new way of high proportion, high quality image compression.
研究了电子束曝光机图形数据格式转换软件的分割、压缩算法 ,针对传统的图形数据分割、压缩算法存在的主要缺点 ,提出了新的分割算法和压缩算法 ,并对压缩算法进行了详细的论述和研究。
This paper introduces one image data fusion method based on the wavelet transform. Satisfactory result has been obtained while applying this method to fuse four SAR images of different wavebands.
本文介绍了一种基于小波变换的融合方法,并应用于四幅不同波段的SAR图像的融合,取得了良好效果。
The digital wat remark technique based on a wavelet transform is a method for protecting multi media video data, belonging to the multi media signal processing area.
本发明涉及一种基于小波变换的数字水印技术,是一种多媒体视频数据保护方法,属于多媒体信号处理领域。
This study choose the North China Plain as study area and proposed a new method of multiple cropping extraction from remote sensing data based on wavelet transform.
该文以我国华北平原为研究区域,提出了基于小波变换的耕地复种指数遥感提取方法。
Logging curves changed abruptly due to obvious variation of physical properties at the interface of parasequence unit. The mutation can be revealed clearly by wavelet transform of logging data.
准层序地层单元的分界面上物理性质变化明显,测井曲线表现为突变,测井数据小波变换能够表征这种突变。
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