The mechanism of the performance degration for space-frequency spectrum estimation due to ChannelMismatching and Sensor Coupling is analyzed.
分析了空间谱估计中多信号源方向和频率估计中通道失配和阵元互耦导致系统性能下降的机制。
In this paper, instead of using the bispectrum to detect the quadratic phase coupling, a new method based on -dimension spectrum is developed.
本文在原有利用双谱对二次相位耦合进行分析的基础上，提出了维谱分析方法。
It is shown that the phase noise spectrum density shift periodicity with the length of external cavity and the peak value of power spectrum density varies considerably with the feedback coupling rate.
这表明相位噪声功率谱密度随外腔长度而周期性地漂移，且功率谱密度的峰值随外部反馈耦合率而发生很大的变化。
Both UV scanning spectrum and IR spectrum coupling occurred between SMD and BSA.
其紫外扫描光谱和红外光谱表明偶联成功。
The power spectrum analyses of the subtropical high indexes reveal a significant 11- and 22- years cycle, coupling well with the same cycle of slar activity.
后者的功率谱分析显示出存在着明显的11和22年振动，且和太阳活动相应的周期很好地耦合。
The frequency of one mode field spectrum is tuned by the intensity of the other mode. The frequencies of two modes spectra can be changed by the relative coupling constant.
通过改变一模的光强可以改变另一模腔场谱的频率，也可以改变相对耦合常数同时改变两模腔场谱的频率。
The algorithm of discrete system coupling matrix is analyzed comprehensively, and some useful results are obtained by the use of spectrum interpolation method.
较全面分析了藕联离散系统矩阵的计算方法，并利用频谱插值计算法，得出了几个较有意义的应用结果。
It is discussed that the high speed and heavy load rotor system connected by the gear coupling has spectrum characteristics and fault properties in the misalignment.
研究了由齿式联轴节联接的高速重载转子系统具有不对中时的频谱特征及其故障物理特性。
In this paper, theoretical analysis, numerical calculation and experimental are used to study the coupling effects of ultra-wide spectrum electromagnetic pulse to the hole.
本文从理论分析、数值计算和实验三个不同角度出发，研究了超宽谱电磁脉冲对屏蔽体贯通孔的耦合规律。
Next, the spin-orbit coupling force is introduced by a certain approximate method, and an energy spectrum comparable with experiment is obtained.
第二步用一种近似办法加进了自旋轨道耦合力，得到了可以和实验进行比较的能谱。
In this paper, an improved method, diagonal slice spectrum analysis, is presented and used to characterize the asymmetry and coupling of the rough surface.
本文提出了一种改进的对角线切片谱分析方法，并把它用于粗糙表面轮廓的非线性和耦合性特征分析。
The ameliorated method of diagonal slice spectrum analysis is presented and used to characterize the skewness and phase coupling of the rough surface profiles.
本文提出了一种改进的对角线切片谱分析方法，并把它用于粗糙表面轮廓的非线性和耦合性特征分析。
For the nonlinear harmonic conversion of real laser beams, we have developed a theory by applying the spatial spectrum analysis to the nonlinear coupling.
以按空间频谱展开方法，处理任意光束的非线性谐波转换过程。
For the nonlinear harmonic conversion of real laser beams, we have developed a theory by applying the spatial spectrum analysis to the nonlinear coupling.
以按空间频谱展开方法，处理任意光束的非线性谐波转换过程。
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