hfss notations given in front of colors given in form of strip e.g 2.0
hfss radiation intensity plot
i just want to say ,what is meaning of numerical number notations given in front of colors given in form of strip e.g 2.0035e
if they tell about radiation intensity then how the far field radiation intensity can be increased .
how slot shape effects radiation intensity
where a slot must be placed for a patch antenna for good far field radiation
kartik
In the attached figure: you can see the radiation intensity for the E field in nanoVolts (nV)
and 2.0035e+003 = 2.0035*10^3 nV
And what do you mean by "where should a slot be placed for a patch antenna". I really did not get this.
-sv
hi
thanks for reply
by"where should a slot be placed for a patch antenna"
i meant that how to increase my far field radiation intensity by changing the patch position
kartik
What kind of microstrip patch antenna are you designing ? Is it a center-fed or probe-fed ?
-sv
I don't know for sure, but I assume this is the logic of that diagram. In the far field, some distance r from the antenna the electric field E will be some value (say 10 uV/m). At a longer distance (2 r), the electric field will have fallen by a factor of two to 5 uV/m, the magnetic field fallen by a factor of two and the power density by a factor of 4. I believe that diagram is telling you the product E * r, which will be a constant in the far field for a given excitation voltage. I believe HFSS assumes an excitation of 1 V peak, but you would need to check that.
That's a very different question, and is related to the type of antenna. Nobody can answer it with the information you have given.
Dave