另外，在功率谱估计中也要遇到窗函数加权问题。
In addition, in the power spectrum estimation to meet a window function and weighted problem.
噪声功率谱估计是语音增强系统的一个重要组成部分。
Noise power spectrum estimation is a fundamental component of speech enhancement.
功率谱估计结果可作为暂态保护判据计算和校核依据。
The result of spectrum estimation can be used as the reference of criterion calculation and checkout in transient protection.
对该系统所采用的现代功率谱估计算法和测量系统进行了研究。
The modern power spectrum estimation algorithm and measurement system were studied.
但以往的谱估计都是采用互功率谱估计和高阶自谱估计的各种方法。
Spectral estimation always applies cross spectral theory and high order self spectral theory up to now.
功率谱的估计有很多方法，在进行功率谱估计时，选择合适的方法很重要。
There are many ways to estimate the spectrum and it is very important to choose a suited way.
噪声功率谱估计和先验信噪比估计的准确性有助于提高增强后的语音质量。
Correct noise power spectrum estimation and apriori signal-to-noise ratio (SNR) estimation are all essential to good quality of the enhanced speech.
该算法基于互功率谱估计，具有算法复杂度低、精确度高、适用频率范围广等优点。
Based on the cross-power spectrum estimation, the algorithm has the advantages of lower complexity and better precision over wide frequency band.
提出了阈值检测、降噪处理和功率谱估计三种分析和处理水中气泡激光散射信号的方法。
Three methods for analyzing and processing the laser scattering signal of bubbles in water, the threshold detection, noise elimination processing and power spectral estimation, are put forward.
通过Matlab仿真了调制解调过程，分析了三种功率谱估计算法对解调误码性能的影响。
By simulating the modulation process using MATLAB, the influence of different power spectrum estimation algorithm to the bit-error-rate performance of the demodulation technique is analyzed.
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。
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.
对采集到的信号做功率谱估计后，结合测量时的雷达参数和环境参数，就可以计算出被测目标的散射系数。
After the power spectrum estimation for the collected signals, the measured objectives 'scattering coefficient can be calculated out combined to the radar parameters and environmental parameters.
而功率谱估计中基于参数模型的方法得到广泛应用，但建模时通常只能根据经验选择一个固定较低的阶数。
However, the parameter model based PSD estimation is used with the assumption that the model order is determined as low as possible through prior knowledge.
与传统功率谱估计、最大熵谱估计结果的对比表明，多窗谱分析方法方法得到的谱估计分辨力高，稳定性强。
Compared to the Black-Tukey method and Maximum entropy method, the spectral estimations based on MTM are of high resolution and strong stability.
本文在加权噪声估计的基础上，考虑了带噪语音在相邻频带间的相关性，提出了一种新的噪声功率谱估计算法。
An improved weighted noise power estimation algorithm is proposed in the paper by taking into account the correlation of inter-frequency in the noisy speech.
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。
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.
对电力远动通道FSK信号进行了时域和频域分析，在此基础上提出了一种新的FSK信号载波频率测量方法—时域拼接结合现代功率谱估计的方法。
Based on the analysis, a new method to detect carrier frequency of FSK signal named time-domain joint and modern power spectrum estimation is put forward.
本文正是针对该点，提出了一种二维arma模型的初步定阶方法，同时对AR参数的自相关函数估计方法进行了改进，在此基础上得到了功率谱估计算法。
This paper provides a method for the ar order estimation of two dimension ARMA model, and improves an ar parameters estimation method on the basis of autocorrelation function estimation method.
本文正是针对该点，提出了一种二维arma模型的初步定阶方法，同时对AR参数的自相关函数估计方法进行了改进，在此基础上得到了功率谱估计算法。
This paper provides a method for the ar order estimation of two dimension ARMA model, and improves an ar parameters estimation method on the basis of autocorrelation function estimation method.
应用推荐