In parallel basis selection algorithms of sparse signal representation, there will be serious bias in amplitude estimation when frequency is not in grid.
在稀疏信号表示的并行选取字典算法中，当频率不在栅格点上时，对应的幅度估计可能会有很大的偏差。
Influence of focus electrode bias, focus hole size and grid electrode bias on the emission electron beams was discussed.
分别讨论了聚焦极电位、聚焦极孔径以及栅极电位对发射电子束的影响。
Influence of focus electrode bias, focus hole size and grid electrode bias on the emission electron beams was discussed.
分别讨论了聚焦极电位、聚焦极孔径以及栅极电位对发射电子束的影响。
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