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- fault signal compression 故障信号压缩
- The amounts of fault signal records are increasing rapidly with the elevation of fault monitoring level, which leads to troubles for data transmission and storage, therefore the research of data compression is paid more and more attention. 摘要随着对电力系统故障过程监控水平要求的逐步提高,急剧增大的故障录波器数据量给数据传输和储存带来了很大的困难,因此数据压缩也越来越受到人们的关注。
- We include the PCG signal compression and analysis function into a robust embedded software platform for digital camera systems. 我们将心音图之压缩辨认演算法实现在嵌入式软体平台中,这个平台建构在一个数位相机上。
- At present, transient fault signal of HV/EHV transmission line is analyzed by wavelet transform. 目前国内主要是采用小波变换的方法分析高压输电线路故障后的暂态信号。
- In this paper,a new method of motor fault signal frequency pursuitting based on marginal spectrum of Hilbert-Huang transform(HHT) was presented. 提出了将HHT变换(Hilbert-HuangTransform,简称HHT)中边际谱应用于电机故障信号频率跟踪研究的新方法。
- In chapter 1, Firstly, fault feature extraction methods and their characteristics in FDD are introduced briefly, research progress, existing problems and application prospects on the fault signal processing with wavelet are stated in detail. 第一章概述了故障检测与诊断技术中故障特征提取方法的研究进展、存在问题及应用前景。
- By digital simulation and detection of gearbox fault signal the detection effect of the novel bilinear time-frequency transform is validated for the transient components in complex signal. 通过数字模拟实验与齿轮箱故障信号检测,验证了新的双线性时间-频率分布对复杂信号中瞬时分量的探测效果。
- A MULTIPLE METHOD FOR ECG SIGNAL COMPRESSION 一种基于复合编码的心电数据压缩算法
- The proposed scheme directly reconstructs the fault signal rather than obtaining it by generating and evaluating the residual signals. 该方法能够直接重构故障信息而不是通过产生和评价残差信号得到故障信息,从而避免了产生和评价残差信号的复杂性。
- A novel method of EEG signals compression representation and epileptiform spikes recognition based on wavelet neural network and its algorithm is presented. 在对小波神经网络及其算法研究的基础上,提出了一种对脑电信号压缩表达和痫样脑电棘波识别的新方法。
- ABSTRACTA : novel method of EEG signals compression representation and epileptiform spikes recognition based on wavelet neural network and its algorithm was presented. 本文在对子波神经网络及其算法研究的基础上,提出了一种对脑电信号压缩表征和痫样脑电棘波识别的新方法。
- Digital TV Image Signal Compression Technology 数字电视图像讯号压缩技术
- Weak periodical fault signals can be extracted successfully from the background of QT. 本文以类随机电报为背景,成功地提取了弱周期性故障信号;
- Matlab DCT Signal Compression Application Matlab下DCT变换在信号压缩中的应用
- Because neural networks have a very strong ability in pattern recognition, an NN classifier is used in the multi-parameter recognition of fault signals. 充分利用了神经网络极强的模式分类能力,用神经网分类器对故障信号进行多参量识别。
- synchronizing signal compression 同步信号压缩
- First the power spectrum of fault signals is decomposed by wavelet analysis, which predigests choosing method of fault eigenvectors. 首先对故障信号功率谱进行小波分解,简化了故障特征向量的提取。
- voice signal compression algorithm 语音压缩算法
- Sound signal compression coding and decoding 语音压缩编解码
- A brief review of bispectrum is presented, while mos t emphasis is placed on the ability of bispectrum to suppress noise and extract diagnostic information from fault signals. 分析双谱的性质和物理意义,探讨双谱抑制噪声和提取故障信息的能力。