引入了最佳修正短时对数谱估计，能在信号存在的不确定性下最小化语音信号对数谱的均方误差。
We introduce an optimally-modified log spectral amplitude estimator, which minimizes the mean-square error of the log spectra for speech signals under signal presence uncertainty.
位场信号的径向平均对数振幅谱可以由多条斜率不同的直线段拟合，直线的斜率即为相应的等效层的深度。
The radially averaged log amplitude spectrum of potential field can be modeled by lines with different slopes, which are the depths of the corresponding equivalent source layers.
如果将能谱实验数据的对数拟合成直线以求得粒子温度，则最好对温度误差的平方和极小化。
However, if a straight line is fitted for logarithmic spectrum data to give the particle temperature, it is better to minimize the temperature square error sum.
本文针对数字信号处理系统中最大熵谱外推电路的算法选择进行了研究。
In this paper the algorithm selection of maximum entropy spectral estimation circuit in digital signal processing system is investigated.
在对数据进行清理的基础上，分析了各站坐标分量噪声的功率谱密度，计算了表征各分量的噪声特性的谱指数。
On the basis of data processing, we analyze the power spectrum density of coordinate component noise at each site and calculate the spectral indexes manifesting the noise property of each component.
针对数字化MRI谱仪中射频接收器，提出了一种磁共振信号的数字解调和滤波的设计方案。
In the design of RF receiver of the digital MRI spectrometer console, a digital demodulation and filtering algorithm is presented in this thesis.
本文对数控车削纯镍时刀具的沟槽磨损问题，应用扫描电镜、电子探针、俄歇能谱仪等进行了探讨。
Using electronic sweep mirror, electronic prober and energy spectrum meter to investigate the groove shape wear of a cutting tool, while numerical controlled turning the pure nickle.
重点讨论谱元法计算中的各种出口边界条件及其对数值模拟的影响。
The main purpose of the paper is to compare the effect of different open boundary conditions upon simulation results.
再采用基于互联合矩阵的集成方法，在构造的相似度矩阵上应用谱聚类算法来完成对数据的最后聚类。
Then using the combining method of co-association matrix, the final result is obtained by using spectral clustering algorithm on this matrix.
而如果没有数据相关度理论对数据进行预处理判断是否缺陷，功率谱特定频段数据保存法的压缩能力还是极其有限。
And if not using data correlation coefficient theory to determine whether there is defect in pipe, only using PSD particular frequency band storing method, the compression rate is extremely limited.
从维纳滤波原理出发 ，应用多层格林等效层模型精确模拟实测重磁场的径向对数功率谱 ，实现了重磁场在频率域的优选延拓。
A preferential continuation operator derived from Wiener filter and Green's equivalent layer principles is used to separate the anomaly caused by the shall.
从维纳滤波原理出发 ，应用多层格林等效层模型精确模拟实测重磁场的径向对数功率谱 ，实现了重磁场在频率域的优选延拓。
A preferential continuation operator derived from Wiener filter and Green's equivalent layer principles is used to separate the anomaly caused by the shall.
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