RF Rectifier Simulation in ADS

hii everyone i am new in ads tool can anyone please tell me how to calculate the RF-DC conversion efficiency in ads 2017 version.
please tell me the equation to use to calculate the efficiency...? i will be very grateful to you.i have attached my schematic diagram.
PFA

thank you...!

Before using ADS, can you understand very basic on circuit ?
Why do you connect "Term2" at out node ?
What value do you think as rectifier load ?
It is never "R_LOAD_KOHM".

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