for the report

Works to do :

• Bend ground :

1.  the height of the bended ground
2. where to bend? xx? xy? yy? or x or y?
3. expand the length of ground for each side : try (i) 5mm (ii) 7mm (iii) 9mm

• Is there any effect if expanding ground?
• Simulate the combinition of antenna and solar panel.