Establishment of Down-Hole Electromagnetic Wave Wireless Communication Channel Mathematic Model

摘要

According to the transmission line theory, the mathematic channel model of down-hole wireless communication is established, and then computed by analytic method. It is concluded from the simulation results that 1.The use of mathematic model is reasonable. It can give the mathematic relation between the input signal, output signal and every factor. 2. Based on this model analysis, the trend is given qualitatively that all parameters influence the output signal. 3. It has more influence on ground receiving voltage because of different stratum circumstance.