how to calculate the dimension of cps

hi, I am gonna design a quasi yogi antenna.and I wanna do something like this model.

but I really don't know how it design its Lcps. which is relative to its impedance.
I know Lcps is kinda like matching. but how to know what number of impedance that can match between dipole and cps

* To get best reception at a certain frequency, try to make L value variable (example, like the tunable inductors inside radio receivers.)

* To do impedance matching between sections, a general rule is to base the L value on available current.
Low A, low C, high L.
High A, high C, low L.