A Simple Scheme of Monte Carlo Significance Test for Wavelet Power Spectrum 小波功率谱MonteCarlo显著性检验的一个简易方案
Analysis and Selection of Several Power Spectrum Estimation Functions in MATLAB MATLAB中几种功率谱估计函数的比较分析与选择
Estimation of Normalized Noise Power Spectrum of Infrared Imaging System with Polynomial Fitting and MATLAB 利用多项式拟合和MATLAB估算红外成像系统的归一化噪声功率谱
Influence of Window Function on The Estimation Precision of Traditional Power Spectrum 窗函数对传统功率谱估计精度的影响
The results of performance test show that the generator can generate chaotic noise with arbitrary distribution, flat power spectrum and good randomicity. 性能测试结果表明:混沌噪声产生器能够产生具有任意分布和平坦功率谱的混沌噪声,且随机性较好。
The extracting method of process information entropy based on process steady entropy, double channel singular spectrum entropy and double channel power spectrum entropy was introduced. 对管线泄漏特征进行了分析,并介绍了基于过程平稳熵、双通道奇异谱熵和双通道能谱熵的过程信息熵特征提取方法。
Resource allocation of broadband power line communication under proportional fairness and power spectrum constraints is studied, for which a method based on quantum genetic algorithm is proposed. 研究了宽带电力线通信在功率谱限制和比例公平约束条件下的资源优化分配问题,提出了基于量子遗传算法的资源分配方案。
LFM signal detection based on fractional power spectrum 基于分数阶功率谱的LFM信号检测
Noise power spectrum estimation is a fundamental component of speech enhancement. 噪声功率谱估计是语音增强系统的一个重要组成部分。
A new speech enhancement method based on multitaper spectrum method and wavelet thresholding is proposed so that a noisy speech power spectrum is obtained. 提出了基于多窗谱法和小波阈值法对带噪语音的短时功率谱进行估计的语音增强改进方法。
The average power reflection coefficient, directivity, power spectrum are obtained for different edge plasma densities and for different phasings between main waveguides. 计算了其平均功率反射系数、方向性系数和功率谱与等离子体边缘密度和主波导相位差等参数的关系。
Identification of EMG Signal Based on the Histogram and Power Spectrum 基于直方图和功率谱比值的肌电信号识别方法
Study and Simulation of Welch Power Spectrum Estimation Method Welch功率谱估计算法仿真及分析
Real-time correlation and power spectrum calculation for neutron pulse series 中子脉冲序列核信号相关和功率谱实时计算
Finally, the damping ratio of each mode is calculated by using the half-power point method on the basis of auto power spectrum and cross power spectrum. 最后,本文依据自功率谱和互功率谱采用半功率点法计算各振型的阻尼比。
Based on the characteristic of WM signals, a step by step classification method using high order cumulants and kurtosis of power spectrum as features is proposed. 根据小波调制信号的特点,以信号高阶累积量与功率谱峰度为特征参数,采用分步识别的方法对小波调制信号进行了识别。
An energy analysis method for blast-induced seismic based on power spectrum 基于功率谱的爆破地震能量分析方法
Then the influence on the average power spectrum and bispectrum of specklegrams caused by the photon noise, additive noise and more complex noises of other kinds in the detecting system. 介绍了所用的二维光子计数斑点像探测系统的性能,分析了探测系统的光子噪声、附加噪声和其它更复杂的噪声对斑点图的平均功率谱和重谱的影响。
An encoding algorithm based on cross power spectrum is proposed. 提出了一种基于互功率谱的虹膜编码方法。
Application of FFT power spectrum analysis in swirl flowmeter FFT功率谱分析技术在旋进流量计中的应用
Application of Power Spectrum Estimation Method in SR Motor Torque Ripple Control 功率谱估计方法在SR电机转矩脉动控制中的应用
In this paper, a power spectrum of discontinuous narrow band white noise is analysed, and an expression of the power spectrum is obtained. 对间断窄带白噪声的功率谱进行了分析,得到其功率谱的表达式。
In this paper, Power spectrum of CAP ( carotid pulse) by periodogram and AR model is given, respectively. 采用周期图法和AR参数模型法分别对颈动脉搏动波进行了功率谱分析。
Wind field parameters involved in wind field simulation include mainly turbulent wind power spectrum density and spatial-correlation function, which is measured and applied to wind simulation. 风场模拟涉及的风参数主要包括脉动风谱和空间相关函数,对风洞中的风场参数进行了实测拟合并应用于风场模拟当中。
Application of Power Spectrum Analysis in Diagnosis of Motor Fault 功率频谱分析在电机故障诊断中的应用
Several seismic input models of power spectrum corresponding to the target response spectrum are studied and used to frequency response analysis of single-degree-of-freedom system. 将几种地震动功率谱输入模型换算成和目标反应谱相对应的地震动输入,并应用于单自由度体系分析。
Objective To improve the estimation and the percentage of electrogastrogram ( EGG) slow wave rhythm with power spectrum estimation and calculation rule set. 目的从功率谱估计和计算规则两方面对胃电慢波节律百分比的计算方法进行改进。
It is an effective and reliable method to analyze signals and diagnose gearbox by Hilbert power spectrum analysis. 作包络功率谱分析,能有效地对齿轮箱故障进行诊断分析。
Aiming at the security and credibility requirement of power protection equipment, power spectrum estimate algorithm which based on multiple orthonormal tapers is researched and modified in this paper. 针对电力保护设备的安全性和可信赖性指标要求,研究了基于多正交窗分析的功率谱估计算法,并从计算量的角度出发对算法进行了改进。
The modern power spectrum estimation algorithm and measurement system were studied. 对该系统所采用的现代功率谱估计算法和测量系统进行了研究。