spatial smoothing meaning in English

空间平滑

Research on an ameliorated spatial smoothing technology based on eigenspace
一种改进的特征子空间平滑技术研究
2 a mathematical model of the reflected signal based on the frequency modulation continuous wave ( fmcw ) radar , solving the frequency - azimuth estimation of coherent signals by spatial smoothing technology , comparing the resolution of the object based on two - dim music method and that based on two - dim fft
2讨论了在接收dbf条件下，回波信号的二维谱估计技术。建立了基于调频连续波体制雷达下回波信号的数学模型，并将空间平滑技术推广到时-空二维谱估计，解决了相干信号源的频率-方位估计问题。