零纵倾
In this paper the torque characteristic of open water diagram at zero-thrust pitch is explored by means of applying the general concept of zero-thrust operation condition of controllable-pitch propeller.
文章利用可调螺距螺旋桨零推力工况的一般概念来求解零推力螺距工况的敞水力矩特性。
In this paper, multi-parameters ( short-time energy, short-time zero-crossing rate and autocorrelation function values) combination has been adopted to judge the unvoiced/ voiced of speech signal. Then circular average magnitude difference function has been used to calculate pitch.
采用基于多参数组合方法(短时能量、短时过零率、自相关函数值)进行语音信号清浊音判别,利用循环平均幅度差函数进行基音周期计算。
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