Radio electromagnetic short transmission method and system

The invention relates to a wireless electromagnetic communication method and its system, comprising of wireless electromagnetic communication signal generator with transmitting antenna and wireless electromagnetic communication receiver with receiving antenna; the wireless electromagnetic communication signal generator with transmitting antenna will modulate the data collected by the sensor, generate electromagnetic information and send it out; the wireless electromagnetic communication receiver with receiving antenna will receive and demodulate the electromagnetic information sent out, transmit the data demodulated to the mud wave generator, making the sensor in guidance system, or other measuring instrument can transmit the data collected to the mud wave generator, without affecting by mud motor separating the sensor and MWD.