本文首先分析了当前模拟信号随机性测试技术，通过比较，说明使用熵测度对信号的随机性进行评价更加准确与科学。
Firstly, this paper analyzes the current analog signal random testing technology, and describes using entropy measure is more accurate and scientific to estimate the randomicity of signal by contrast.
基于最大熵正则化构造了一种新的稳定的带限信号正则外推算法。
In this paper, a new stable band -limited signal regularized extrapolation algorithm is constructed on basis of the maximum regularization.
本文针对数字信号处理系统中最大熵谱外推电路的算法选择进行了研究。
In this paper the algorithm selection of maximum entropy spectral estimation circuit in digital signal processing system is investigated.
对信号进行局域波分解后，建立基于时频分布的信息熵，以此作为故障识别的参数。
After signal local wave decomposition, the information entropy according to time-frequency distribution was established, and it was used as characteristic parameter for fault recognition.
认知无线电；频谱感知；信息熵；信号相关性；频谱一致性。
Cognitive radio; Spectrum sensing; Entropy; Signal correlation; Spectrum consistency.
存在从所述至少一个熵估计的信号来生成随机数的步骤。
There is the step of generating from the at least one entropy estimated signal the random number.
本文用熵的概念定量描述了脉冲群雷达信号灵活多变的程度。
The flexibility of a group of pulses of radar signal is described quantitatively withentropy.
针对不同故障类型下的液压泵振动信号具有不同复杂性的特点，将多尺度熵引入到液压泵故障识别中。
The vibration signals of hydraulic pump with different fault types have different complexity. The multi-scale entropy is introduced into the fault identification of hydraulic pump.
通信信号的频域熵较小，噪声的频域熵较大，采用阈值判别法来判别授权频段是否存在授权用户的通信信号。
The frequency domain entropy of communication signal is smaller than that of environmental noise. We use the threshold method to distinguish whether the primary user is present.
从特征信号提取的角度出发，采用局域波时频分析和信息熵结合的方法进行往复式压缩机故障诊断。
In the view of feature signal extraction, the local wave time-frequency analysis and information entropy were used to deal with fault diagnosis.
计算结果显示，柴油机在不同工作状态时，其扭矩及转速信号的关联维数及K熵各不相同。
The result of calculation shows that the relevant dimension and K entropy of torque and speed signals are different in varied operating condition.
该方法采用基于熵的小波包最佳基选取准则，对局部损伤信号进行自适应小波包分解，将分解结果显示于时—频空间即相平面上。
The L F signals are transformed by entropy based on wavelet packet algorithms for best basis selection, and the results are displayed in time- frequency space namely phase plane.
研究基于脑电信号排列组合熵的运动意识任务自动分类方法。
To present a new application of permutation entropy method for automatic brain consciousness task classification.
利用小波变换模极大值和小波熵测度分别对其进行检测，对比表明，小波熵测度能更准确、实时地检测到各种暂态信号。
The contrast between wavelet transform maximal modulus and wavelet entropy shows that the latter is a better approach to detect transient signal accurately and timely.
熵是信号序列信息量的表征，作者在对差压信号的分析中提出了两种基于熵概念的特征——香农熵和阈值熵。
Entropy is a measure of information in signals. Based on the conception of entropy, two new features-Shannon entropy and Threshold entropy are proposed in flow regime identification.
将一维的表面肌电信号转换为二维的散点图，在这二维的平面空间中研究散点在一周360度的各个方向上的分布情况，提出了象限信息熵的概念。
Converte the one dimension time series into two dimension spot figure, then study the distribution of the spot around the 360 degree directions, compute the quadrant information entropy.
仿真分析表明，最大熵谱估计和LMS自适应算法相结合可以有效地从背景噪声中提取有用的激光反射回波信号。
Simluation results show that the maximum entropy spectral estimation and LMS adaptive algorithm can extract echo signal of laser ranging system effectively from background noises.
试验中，提取驱动桥振动信号频谱的二维谱熵作为特征指标，输入到SVDD分类器。
In the test on driving axle, the 2d spectrum entropy of vibration signals is extracted as the feature indicator and is input into the SVDD classifier.
多尺度熵是在样本熵的基础上通过引入尺度因子，从而能够分析信号在不同尺度因子下的复杂性。
Based on the sample entropy, the scale factor is introduced to multi-scale entropy. Thereby, the complexity of signal under different scale factors can be analyzed by multi-scale entropy.
提出了最大熵谱估计和LMS自适应算法提取激光测距系统的反射回波信号。
Maximum entropy spectral estimation and LMS adaptive algorithm were proposed to extract the reflection echo signal of laser ranging system.
结果表明：无CAS作用下，TEOAE频域信号的近似熵在各频带处，蜗性病变耳的近似熵明显低于正常耳的近似熵，蜗后病变耳的近似熵与正常耳的近似熵无明显差别。
The results show that, compared with a normal ear, the approximate entropy of TEOAE without CAS was reduced for cochlear hearing loss, while it did not change for retrocochlear hearing loss.
第二个是采用现代谱估计技术（最大熵法，最小交叉熵法）分别对雷达发射信号脉内及脉间的起伏特性进行分析。
The second is that the fluctuation spectra of intrapulse and pulse-to-pulse are estimated respectively with modern spectra estimation approaches(maximum entropy and minimum cross—entropy).
采用近似熵理论分析得出随着运动负荷的增加，腓肠肌和比目鱼肌的肌声信号的近似熵值随负荷增加而增大。
Compared with gastrocnemius and soleus muscle, gastrocnemius muscle acoustic signal 'approximate entropy increases faster, but soleus muscle acoustic signal' approximate entropy increase more gently.
首先用信息熵函数最小选择最优小波基，然后用其对燃气负荷进行二层分解得到负荷的低频信号和高频信号。
Firstly, the best wavelet basis selection was conducted via message entropy function; then the gas load was decomposed to low frequency signal and high frequency signal by two times through it.
提出了一种基于基本尺度熵的表面肌电信号特征的提取方法。
According to the chaotic characteristic of surface electromyography signal, a novel method that USES basic-scale entropy to extract feature from surface electromyography signal (SEMG) was proposed.
将小波包变换和迭代交叉信息熵有机结合，从检测信号信息量差异性的角度出发，提出一种设备故障动态检测的新方法。
A new dynamic detection method for roll bearing faults was proposed based on wavelet packet and cross entropy from the angles of information differences of detection signals.
文献指出，基本尺度熵方法可以应用于短时心率变异信号的分析。
We introduce a as a base-scale entropy complexity measure for analyzing time series.
文献指出，基本尺度熵方法可以应用于短时心率变异信号的分析。
We introduce a as a base-scale entropy complexity measure for analyzing time series.
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