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- spatial spectrum analysis 空间谱分析
- Provides an FFT class for doing spectrum analysis. 提供了一流的FFT算法做频谱分析。
- The professor took a spectrum analysis in class. 教授在课堂上做了一次光谱分析。
- Description: Spectrum analysis of the motor torque friction. 描述：摩擦扭矩频谱分析。
- Since DFT can he calculated via its fast algorithm FFT, the compulation is less than the conventional spatial spectrum estimation algorithm. 由于离散傅里叶变换可以用其快速算法FFT进行计算;较之传统的空间谱估计而言;计算量有很大地减少.
- After acquired the number of signal sources,by choosing the signal subspace or noise subspace the spatial spectrum is computed. 在判定出信号源个数后,有选择地使用信号子空间或噪声子空间去计算空间谱,进一步减少计算量。
- The spatial spectrum technique based on MUSIC algorithm is mainly discussed as well as its application in the vehicle-carried direction-finding system of UAV. 介绍了一种基于MUSIC算法的空间谱估计技术,对其算法原理与过程进行了详细分析,并给出了它在车载无人机测向系统中的应用。
- The spatial spectrum is sampled in this bandwidth.The sampling space is proportional to the bandwidth and inversely to the space-bandwidth product of the aperture function. 在此带宽内对频谱抽样, 抽样间距与观察处的带宽成正比, 与孔径函数的空间带宽积成反比。
- German physicist noted for his research in spectrum analysis,optics,and electricity. 基尔霍夫，古斯塔夫·罗伯特1824－1887德国物理学家，以他对光谱分析，光学，和电学的研究著名
- The suggestions on the further research of the frequency spectrum analysis are provided. 就频谱分析的进一步研究提出了建议。
- Some relations of the spatial spectrum of target on the Ewald sphere with its far andnear field scattering data on a measurement surface are discussed with the aid of the equiva-lent source concept. 本文通过目标等效源概念,讨论远场与近场条件下测量面上散射场与目标Fourier域中Ewald球面上空间谱值之间关系。
- Venation wave spectrum analysis finds out shape-structure change of mid-frequency signal fluctuation. 脉络波谱图分析查明了中范围（频率）信号波动的形态结构变化。
- Spatial spectrum estimation is an important area in array signal processing, which is widely used in radar, communication, sonar, earthquake, chronometer and other aspects of science and technology. 空间谱估计是阵列信号处理的一个重要分支，近年来在雷达、通信、声纳、地震、射线天文等科技领域取得了极为广泛的应用。
- The properties of thecatalysts have been examined using XRD; SEM, BET . Energy spectrum analysis, etc. 采用了XRD、SEM、BET比表面积测定以及能谱等手段对催化剂的性能进行了表征。
- The result that(FCO)2 have trans-and cis-conformers are consist with spectrum analysis. 得到了与光谱分析一致的结果,草酰氟分子有平面反式和顺式2种构像。
- German physicist noted for his research in spectrum analysis, optics, and electricity. 基尔霍夫，古斯塔夫 罗伯特1824－1887德国物理学家，以他对光谱分析，光学，和电学的研究著名
- We can estimate two-dimensional spatial spectra of sources in colour Guassian noises by eigen-decomposing the matrix. 对四阶累量混合波达方向矩阵进行特征分解，可实现有色高斯噪声背景中空域信号二维空间谱估计。
- It is suggested that DWT instead of FFT should be used in the spectrum analysis of laser scintillation. 这些结果表明， 对于一般大气湍流中的激光闪烁的频谱分析应使用离散小波变换代替快速傅里叶变换
- The ECG data was analyzed to detect the times of TWA occuring and their amplitudes using a power spectrum analysis. 给出了采用该方案对受试者进行T波交替检测的实例。
