其二是利用两两毗邻的记录道来估计信号功率谱。
Estimate the signal power spectrum from recorded traces in neighbouring pairs.
将它与相关积累技术和功率谱集平均技术相结合，能提高该方法的估计性能。
After combined with correlation accumulation technique and power spectrum collection-average technique, the estimation performance can be improved.
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)。
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).
提出了一种基于功率谱叠加的交织正交频分多址系统上行链路载波频偏和定时同步联合估计算法。
A joint blind estimation method based on spectrum overlap for uplink interleaved orthogonal frequency division multiple access carrier frequency offset and timing synchronization is proposed.
最后给出基于建立信号模型和互功率谱相位的时延估计方法。该方法对噪声和混响均具有很强的鲁棒性。
A time delay estimation method based on onset signal and CSP is proposed, it's robust to noise and reverberation.
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.
试用周期图法估计信号的功率谱；
The probationary period plan estimates the signal power spectrum;
此方法的一个可能应用是分别估计信号和加性噪声的功率谱。
One possible application of this method is the separate estimation of the spectra of a single and additive noise, based on autocorrelation of signal plus noise.
最大熵法与Welch法估计的功率谱的比较。
Maximum entropy method and Welch 's power spectrum estimation comparison.
本文应用自适应最小二乘格型（LSL）算法估计非恒定流压力脉动的功率谱密度。
This paper uses the adaptive least squares lattice algorithm (LSL) to calculate the spectral estimation of pressure fluctuations in unsteady flow, and describes the principle of the LSL algorithm.
提出了基于多窗谱法和小波阈值法对带噪语音的短时功率谱进行估计的语音增强改进方法。
In theory of estimation with wavelet thresholding, the threshold adapting data can be calculated by minimum estimation of risk to improve the SNR of estimation.
设计并验证了简化的功率谱密度估计算法流程。
A reduced power spectrum algorithm is designed simultaneously.
设计并验证了简化的功率谱密度估计算法流程。
A reduced power spectrum algorithm is designed simultaneously.
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