The perioperative EEG non-linear topographic map of approximate entropy was recorded.
记录围术期近似熵脑电非线性地形图。
In this paper, the conventional pseudo-random sequence linear complexity is discussed, and a new criterion is proposed, based on the approximate entropy.
分析了已有的序列线性复杂度分析方法，提出了用近似熵算法计算混沌运动的测度熵，作为衡量混沌伪随机序列复杂度的标准。
It is difficult to gain stable and credible values of approximate entropy(ApEn) for original signals of short-term high frequency electrocardiogram(SHFECG).
对原始的短时高频心电图（SHFECG）作近似熵计算难以得到稳定、可信的估计值。
A new method based on calculating approximate entropy of transient zero-module current is presented in order to locate the single phase grounding fault in non-solidly earthed network.
提出一种通过计算暂态零模电流近似熵确定小电流接地故障区段的新方法。
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.
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。
Approximate entropy be applied to cryptographic technology, designing a testing method of a random sequence.
把近似熵用于密码技术中，设计一种实用的随机数检验方法。
Approximate entropy be applied to cryptographic technology, designing a testing method of a random sequence.
把近似熵用于密码技术中，设计一种实用的随机数检验方法。
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