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。
In an amplitude grating system of small grid pitch, the diffractive light is the main cause to deteriorate the contrast and sinusoidal property of Moiré signals.
在国内外普遍使用的细栅距幅光栅叠栅条纹系统中,衍射效应是很明显的,这是造成叠栅条纹信号的衬比(度)和正弦性不好的主要原因。
Based on a new digital PLL, a new current tracing control strategy for a grid-connected PV system was proposed to control the amplitude and phase of the inverter current.
针对光伏并网发电系统,基于数字锁相环,研究了一种实现系统并网电流幅值、相位跟踪控制的新方法。
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