Knowing how data is recorded, or how we would like it to be recorded, suggests various possibilities for data processing. Figure 4 shows a simple model and its implied data, along with migrations, with and without attention to aliasing the horizontal space axis.
Top right is synthetic data from the synthetic image.
Bottom are migrations of the data with and without antialiasing. No additional values were used between mesh points or off the edges of what is shown. The practical need to limit operator aliasing is often reduced by three indirect measures. First is temporal low pass filtering which has the unfortunate side effect of reducing the temporal bandwidth. Third is interlacing the data traces.