The relation between output correlation spot shape and length width ratio of input correlation image was analyzed quantificationally by using of diffraction theory in the joint transform correlation.
One way to spot misaligned tyres is to park your car on a level area and turn the tyres until you can see the entire width of the tyre.
一种方法是现货偏差轮胎将油罐车停在一个水平的区域，并把轮胎，直到你能看到的整个宽度的轮胎。
3
To overcome the defects of static adjust through collimator, 2 new dynamical adjusting methods of tilt angle such as pulse width for radial and laser spot offset control for tangentia are proposd.