The formula to calculate the grid ratio is:
\[ \text{GRD} = \frac{\text{HLS}}{\text{DS}} \]
Where:
Grid ratio is the ratio of the height of the lead strips to the distance between them in a grid. This ratio is important in various applications, such as radiography, to ensure proper image quality by reducing scatter radiation.
Let's assume the following values:
Using the formula:
\[ \text{GRD} = \frac{2}{0.5} = 4 \]
The grid ratio is 4.
Let's assume the following values:
Using the formula:
\[ \text{GRD} = \frac{3}{1} = 3 \]
The grid ratio is 3.