It is indicated by the performance analysis that the approach here has comparative bias and variance as the approach of discrete prolate spheroidal sequence multitaper spectral analysis.
性能分析的结果表明,此方法与离散长球序列多窗口谱分析方法具有相当的估计偏差与方差性能。
A convenient classification of stars is based upon the observed sequence of spectral types.
一种实用的恒星分类法是基于测得的光谱类型序列。
The whiteness of the innovation sequence for an optimal filter was explored to be the criterion for the correction of the wavelength positioning errors which may occur in spectral scans.
以新息序列的平均平方和为评价函数优化扫描光谱的峰位,消除扫描过程中可能产生的波长定位误差,从而保证滤波结果的准确性,并使实际检出限显著改善。
Maximum entropy spectral analysis method (MEM) is a widely used modern spectral analysis method, which characterizes high resolution and fits for short time sequence especially.
最大熵谱估计法是一种具有很高分辨率,并特别适合短时序列分析的现代谱分析方法。
At the same time, the channel estimation error, caused by the spectral leakage of DFT, can be reduced by canceling the auto-correlation error of the time-domain sequence of frequency-domain pilots.
同时,通过消除频域导频时域序列的自相关误差,能有效降低由DFT谱泄漏导致的信道估计误差。
Due to its low power spectral density, the Direct Sequence Spread Spectrum signal (DSSS) is always submerged with the back-ground noise, so that it is difficult to reconnoiter the signal.
直接序列扩频信号具有较低的功率谱密度,信号淹没在背景噪声中,侦查难度较大。
Due to its low power spectral density, the direct sequence spread spectrum signal is always submerged with the back-ground noise, so that it is difficult to reconnoiter the signal.
直接序列扩频信号具有较低的功率谱密度,信号淹没在背景噪声中,侦查难度较大。
The infrared target recognition method based on the invariance of spectral Angle in time sequence is put forward in order to recognizing spatial target and balloon decoy.
为了识别空间目标与气球诱饵,提出了基于光谱角时序不变性的红外目标识别方法。
The infrared target recognition method based on the invariance of spectral Angle in time sequence is put forward in order to recognizing spatial target and balloon decoy.
为了识别空间目标与气球诱饵,提出了基于光谱角时序不变性的红外目标识别方法。
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