To overcome this problem, we propose a new SPOT natural-color simulation method based on spectrum analysis.
针对这个问题，提出了利用波谱分析的SPOT自然色模拟方法。
Simulation results show that the size of the focal spot increases with the number of color cycles and the basic pulse bandwidth in the dispersing direction.
模拟结果表明，焦斑尺寸随色循环数和光栅色散方向上基准脉冲带宽的增加而增大。
Methods in the computer simulation of the ultrasound color flow imaging, flow signals are obtained by accumulating all the echo signals of scatterers in the imaging area.
方法超声彩色血流成像计算机仿真中，血流信号是对成像区间内所有点散射体的回波信号累加而得到的。
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