Ansoft Designer

The PPD of pair at the variant D
• So, it is the effective way to improve the DF
accuracy
• to enlarge the length of the baseline
We find that
When D = 0 .5m
= 0.17λ The PPD are extended to 176.7
When D = 0.5λ The PPD are extended to 130
or, reduced to 70
When D →1λ The PPD’s are almost equal to 0