积分密度 meaning in Chinese
integral density
Examples
- We also derived the relationship between the radial local density distribution and the observed line integral density distribution by fourier integral transform . on this basis , the density inversion calculation is realized through fft method and is independent of abel inversion
另外，本文还着重推导了线积分密度分布和径向体密度分布之间的傅立叶积分变换关系，并利用快速傅立叶变换实现了完全抛开abel反演公式的密度反演计算。 - Experimentally , the plasma produced by cable plasma gun ( c - gun ) and dense plasma focus ( dpf ) was measured by the laser differential interferometer system . the clear interference patterns were acquired at different time . the contour maps of line integral density and curves of radial local density at different height above nozzle were presented
实验上，对等离子体断路开关中的电缆等离子体枪( c - gun )和等离子体焦点装置( dpf )产生的等离子体进行了测量，获得了对应不同时刻的清晰的干涉图像，给出了线积分密度等值线图和距喷口不同高度处的径向密度分布。 - Firstly the phase is extracted from interferogram by filtering and displacing frequency spectrum . then the wavefront and the line integral density are recovered by using fft or polynomial fitting method . lastly the radial local density distribution is calculated from the fitting curve of line integral density by the abel inversion
首先对干涉图进行频谱滤波，用频谱移频法从干涉图中提取相位，然后用快速傅立叶变换或多项式拟合实现波面重建，计算线积分密度，再利用abel积分变换从线积分密度的拟合曲线中反演径向体密度分布。