We will reproduce the formula established by Liu of the TMm n p mode [LIU 83]:
The notation conventions are recalled below:
We find in [A2.1] the impedance of the Zw plane wave and the surface resistance of the walls of the Rs cavity:
a, b and d are the dimensions of the cavity.
We will not recall the whole development of the Liu calculation, which is reproduced in detail in [LIU 83]. This appendix will limit itself to the framework of the calculation.
The computation is established for an over sized cavity, in the bandwidth occupied by a mode interfering with other modes, whose population will only increase with the frequency of the RF emission. According to the description proposed in section 2.3.2, we consider that the Δ fm n p bandwidth belongs with the mode tuned on the fm n p frequency. Knowing that ...