Setting the Masking Window
Center
Move the ‘cursor to set the radius r; then click the
left mouse button.
A masking window with a radius r is created.
Repeat this procedure as many times as
necessary.
Center
Select “Mask” in the “Window/Mask” frame ;
position the cursor at the center of the desired
masking window; then click the left mouse-button.
When creating four masking windows. Spots within
these circles are used for inverse FFT.
When creating coaxial rings. Spots within these
rings are used for the inverse FFT.
Example 1
】
Example 2
】
r
Center
Move the cursor to set the outer radius r’; then
click the left mouse button.
Center
Select “Mask” in the “Window/Mask” frame;
position the ‘cursor at the center of the desired
masking window; then click the left mouse-button.
r
′
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TMPM5200-2