orthogonal signal correction.
为了保障生产安全可靠运行,结合一种数据预处理方法—正交信号修正(OSC),提出了基于OSC-DPLS模型的故障诊断方法。
In order to improve the interpretability of the PLS model,the orthogonal signal correction(OSC) data preprocessing method is introduced,then the OSC-PLS model for dam safety monitoring,which can preprocess original independent variables and remove signals unrelated to dependent variables,is proposed.
为了提高PLS大坝监控模型的可解释性,引入一种数据预处理方法——正交信号修正(OSC)法,对原始自变量进行预处理,去除和因变量无关的信号,再建立PLS监控模型。
According to previous dam safety monitoring statistic models and focus on the defects of least square regression statistic theory, the statistic models for dam safety monitoring were put forward in the dissertation based on the partial least square square regression, orthogonal signal correction, weighted block recursive partial least squares regression, neural network.
本文在全面总结归纳前人在大坝安全监控统计模型研究成果的基础上,针对最小二乘回归方法存在的不足,以偏最小二乘回归方法、正交信号修正法、加权块式递推偏最小二乘回归方法和神经网络理论为依据,提出了大坝安全监控的偏最小二乘回归统计模型、基于正交信号修正的偏最小二乘回归统计模型、加权块式递推偏最小二乘回归统计模型及基于RBF神经网络的偏最小二乘回归统计模型,并结合黑河金盆水库实测资料详细分析了各种模型的性能。
Design of a sine signal generator
一种正弦信号发生器的设计
To produce the smooth waveform with the stable frequency,this paper presents a design method of sine signal generator′s function circuit which is based on the DDS theory.
为了能够方便地产生波形平滑、频率稳定的正弦信号波形,提出了一种基于DDS技术的正弦信号发生器的设计方法。
Design of High Frequency Sine Signal Generator Based on DDS
以混合信号单片机C8051F020及DDS芯片AD9834为核心,采用直接数字合成(DDS)技术完成多功能高频正弦信号发生器的设计。
Medium and Long Term Load Forecasting Based on Orthogonal Signal Correction and Partial Least-squares Regression
采用正交信号修正法与偏最小二乘回归的中长期负荷预测
A Modified Windkessel Model and Its Parameter Estimation Based on Photoplethysmograph;
基于PPG信号的Windkessel模型修正及参数估计
The Correct Value Of Scope and Phase Angle Using FFT Measure Periodic Signals;
FFT测量周期信号的幅值与相角修正
Revise for fourier transform of exponential decay signal
指数衰减信号的Fourier变换修正
The Analysis and Correction of Quadrature Demodulation Errors of Ultra Wide Band Signal
超宽带信号正交解调误差的分析及校正
Pretreating Near-infrared Spectra by Orthogonal Signal Correction;
基于正交信号校正算法的近红外光谱预处理
The Quadrature Calibration of Wide-band Signal & Gain-and-Phase Equalization of Multi-Channels;
宽带信号的正交校正及多接收通道的幅相均衡
Research on Generation of Orthogonal Waveform and Signal Processing for MIMO Radar;
MIMO雷达正交波形设计及信号处理研究
Contraction Signal's De-Noising Based on the Biorthogonal Wavelet Transform
基于双正交小波变换的宫缩信号消噪
QPSM and navigation signal multiplexing
正交叉积副载波调制与导航信号复用
Design and Optimization of Hyper-chaotic Orthogonal Polyphase Code Signal
超混沌正交多相码信号的设计与优选
Performance Analysis of Orthogonal Signals Using MIMO MRC
采用MIMO MRC的正交信号性能分析
Small Signal Model of Active Clamp Forward Converter
有源箝位正激变换器交流小信号模型
Design of DDS orthogonal signal source based on CPLD
基于CPLD的DDS正交信号源的设计
Temperature Signals of Bearing De-noising Based on Biorthogonal Wavelet Transform
基于双正交小波变换的轴温信号消噪
The signal being posted is not correct.
正在发送的信号不正确。
Study on Traffic Signal Timing Model at Right-angle Grade Crossing in the Town;
城市平面正交交叉口信号配时模型研究
After correction, the estimates of signal amplitude and frequency have high accuracy.
修正后的信号强度和频率估值有相当高的精度。