approximate entropy是什么意思_approximate entropy中文

approximate entropy中文什么意思

近似熵

approximate: vt. 1.使接近。 2.接近；走近。 3.近似，约计。 ...
entropy: n. 1.【物理学】熵。 2.【无线电】平均信息量。
approximate: vt. 1.使接近。 2.接近；走近。 3.近似，约计。 4.模拟。 5.估计。 approximate a solution to a problem 使问题近于解决。 approximate something to perfection 使某物臻于完善。 The total income this year approximates 10,000 dollors. 今年总收入接近一万元。 approximate the motions of the stars in a planetarium 在天文馆中模拟行星的运行情况。 We approximated the distance at 100 miles. 我们估计行程距离为100英里。 vi. 近于。 His income this year approximates to 8,000 dollars. 他今年的收入接近八千美元。 adj. 近似的，大概的。 an approximate account 简要的说明。 an approximate date 大约的日期。 the approximate estimate 大概的估计。 an approximate number 概数。 an approximate value 近似值。 adv. -ly 大体，大致。
approximate to: 近拟,接近; 近于; 与…接近
be approximate to: 近似, 约计

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In this paper , we studied the deterministic mechanism of isi with the unstable period orbit ( upo ) ; we tested many isi data from different model with the method of approximate entropy ( apen ) to study the method which is used in testing the degree of complicacy of isi and we built up a system including hardware and software for our lab to view and record action potential , firing frequency and isi in real time . results 1 . spontaneous firing patterns were observed from neurons of supraoptic nucleus ( son ) in hypothalamus with the method of patch clamp
本研究通过对大鼠视上核神经元自发放电的非稳定周期轨道的计算，讨论了isi的确定性问题；利用近似熵的方法对多种神经放电的isi资料进行了复杂度的测量，讨论了这种方法在isi的复杂度测量第四军医大学硕士论文中的应用；另外，还开发出一套记录原始放电和isi的程序，解决了采集isi的问题。
This paper studies the helicopter , the propeller - driven aircraft and the turbofan jet airplane echo modulating feature parameter model and analyses the echo signal feature . it gains the target echo ’ s the cyclical modulation feature by using the complex ar frequency range bispectrum slice . because traditional method in extraction airborne radar ’ s radiant signal feature time has certain insufficiency , this paper proposes the approximate entropy and the norm entropy as the passive feature parameter in the airplane
由于传统方法等在提取机载雷达辐射源信号特征的时候存在着一定的不足,本文提出把近似熵和范数熵作为飞机目标识别的无源特征参数,给出了提取相应特征熵的算法,实现对机载雷达辐射源信号的识别,通过和机载雷达类型的匹配,实现对目标的识别。

百科释义

In statistics, an approximate entropy (ApEn) is a technique used to quantify the amount of regularity and the unpredictability of fluctuations over time-series data.

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approximate entropy中文什么意思

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