(1)过零率(Zero-crossing Rate)指在一个短时帧 内,离散采样信号值由正到负和由负到正的次数, 这个量大概能够反映信号在 … www.docin.com|基于10个网页 2. 越零率 3.4.2越零率(Zero-crossing Rate) 263.4.3差分化参数及差量化参数(Differential Coefficient and Delta Coefficient) 283.4.4 频率-... ...
过零率(Zero Crossing Rate)是在每个音框中,音讯通过零点的次数,具有如下特性: 1.一般而言,杂讯的过零大于气音的过零率,而气音的过零率又大于有声音的过零率 2.通常在断点侦测,估测气音的起始位置和结束位置 3.可用来预估信号的基频,但很容易出错,所以必须先进行前处理 以下显示如何计算过零率 范例1输入:...
1) zero-crossing rate 过零率1. This paper firstly introduces some related concepts of speech end-point detection,and then makes end-point detection by the combination of short time average magnitude and short time average zero-crossing rate. 首先简介语音信号端点检测涉及到的几个基本概念,然后采用...
1)zero crossing rate过零点率 1.All of the enrolled patients undertook the Biering Sorensen test(BST) and the object-lifting test,a Finland made type ME3000P sEMG instrument was applied to record the electronic activities of paraspinal muscles(convex /concave) of all subjects,and the frequency ...
Zero-crossing rateJerome Sueur
Zero-crossing rate Since R2021b collapse all in page Syntax rate = zerocrossrate(x) rate = zerocrossrate(TT) rate = zerocrossrate(___,Name,Value) [rate,count] = zerocrossrate(___) [rate,count,indices] = zerocrossrate(___)
Analysis of zero-crossing rate 翻译结果4复制译文编辑译文朗读译文返回顶部 A zero rate analysis 翻译结果5复制译文编辑译文朗读译文返回顶部 Zero crossing rate analysis 相关内容 a强化支撑文脉表达的物质基础 正在翻译,请等待... [translate] a看完了《安徒生童话》这本书,我领悟了其中的一些奥秘。贪污腐败,金钱...
英文: Abstract: Zero-crossing edge detection method was analyzed. 中文: 文摘:讨论二阶导数过零边缘检测方法。更详细... 英文: In this article, double threshold, iteration is applied to improve segmentation algorithm based on signal energy, and Short-time Zero-crossing Rate is proposed for the firs...
The zero-crossing rate of differentiated speckle whose intensity is governed by a negative exponential probability-density function (i.e., fully developed speckle) is evaluated in closed form with the use of an exact expression for the joint probability-density function of the intensity and its fir...
1) short-time zero-crossing rate 短时过零率1. Based on low short-time zero-crossing rate's feature of fluid level echo and short-time magnitude function newly defined,a new comprehensive fluid level echo recognition method is proposed. 基于液面回波短时过零率较低的显著特征和新定义的短时...