hi,

im designing a cardioid pattern at 2.4GHz, null based measurment.very
few articles dwell on this topic especially in the microwave region.
essentially, the cardioid pattern is a result of the mixture of a
figure eigth and an omni radiation.im thinking of using a simple
monopole(triangular patch) and a dipole(coplanar waveguided slot).
these are my questions,

1. is using a power combiner(wilkinson divider) with the monopole and
dipole as inputs the correct way of producing the cardioid pattern?i
2. are there any other methods on how to combine the patterns?
3. how about the spacing or relative distances between the feedpoints
of the monopole and dipole?

thank you so much!
electro