1) spatial spectral distribution
空间频谱分布
2) the spatial spectral analysis method
空间频谱分析法
1.
Clues for the formation of filaments, when a perturbed high intensity laser beam travels inside the nonlinear Kerr medium, has been suggested by using the spatial spectral analysis method.
采用空间频谱分析法探讨了在非线性介质中传输的受调制的高功率激光束形成高亮度细丝的可能性。
3) spatial spectrum analyzer
空间频谱分析仪
4) spatial spectral coverage
空间谱域分布
1.
From the Fourier space K corresponding to the scattering field of the object,an imaging evaluation mechanism based on the spatial spectral coverage is proposed.
从物体散射场对应的傅里叶空间出发,提出基于空间谱域分布的成像系统定性评价体系。
5) spatial spectrum distribution
空间光谱分布
6) spatial time-frequency distribution
空间时频分布
1.
Blind source separation based on spatial time-frequency distribution(TFBSS) can separate signals with different time-frequency distributions.
基于空间时频分布的盲信号分离算法可以用来分离具有不同时频分布的非平稳信号。
2.
Based on the spatial time-frequency distribution of signals,direction of arrival method uses the Cohen class time-frequency distribution to construct the time-frequency correlation matrix DXX(t,f) to replace the traditional correlation matrix RXX.
基于信号空间时频分布的到达角(D O A)估计算法利用Cohen类分布构造时频分布矩阵代替传统的阵列协方差矩阵,既适用于平稳信号的场合又适用于时变、非平稳信号的情形。
3.
A novel wideband direction of arrival estimation method is proposed based on the recently developed concept of spatial time-frequency distribution(STFD).
研究了空间时频分布在宽带阵列处理中的应用。
补充资料:空间分布干扰
分子式:
CAS号:
性质:火焰原子化法试样溶液中,伴生组分浓度变化大时,引起试样吸喷量的波动和火焰中待测元素分布的变化,是待测元素空间分布不均匀所造成的干扰。
CAS号:
性质:火焰原子化法试样溶液中,伴生组分浓度变化大时,引起试样吸喷量的波动和火焰中待测元素分布的变化,是待测元素空间分布不均匀所造成的干扰。
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