Aiming at the security and credibility requirement of power protection equipment, power spectrum estimate algorithm which based on multiple orthonormal tapers is researched and modified in this paper.
针对电力保护设备的安全性和可信赖性指标要求，研究了基于多正交窗分析的功率谱估计算法，并从计算量的角度出发对算法进行了改进。
Estimate the signal power spectrum from recorded traces in neighbouring pairs.
其二是利用两两毗邻的记录道来估计信号功率谱。
In this method, eigen-decomposition does not have to be used, and the direction spectrum is the power spectrum in common sense (it can be used to estimate signal power).
本方法不需要特征分解，并且得到的是通常意义上的功率谱(可用于估计信号的能量)。
Estimate of the spectrum errors caused by the noise in time domain by using the errors power is discussed in this paper.
本文讨论如何利用误差功率估计由时域噪声引起的频谱误差问题。
It has the advantages of both the PER method and the ar method, and is mainly used to estimate the power spectrum of a short signal composed of harmonic components with random noise.
该方法吸取了PER方法和AR方法各自的优点。它主要适用于短的谐波加随机噪声信号的功率谱估计。
Experiments prove that the method can accurately estimate the noise power spectrum.
实验证明该方法能够相当准确地估计出噪声功率。
Experiments prove that the method can accurately estimate the noise power spectrum.
实验证明该方法能够相当准确地估计出噪声功率。
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