Intelligent drill rod electromagnetic parameter design method used for transmission of measurement data during drilling

The invention discloses an intelligent drill rod electromagnetic parameter design method used for transmission of measurement data during drilling. The method includes the steps of carrying out electromagnetic parameter design on an intelligent drill rod through impedance matching connection between a wiring rod body transmission line and an electromagnetic coupling joint; connecting an impedancecompensation member consisting of a resistor and a capacitor with a primary side coil of the electromagnetic coupling joint in parallel to make the impedance value generated after the input impedanceof a coupling coil is connected with the impedance of the compensation member in parallel equal to the characteristic impedance value of the wiring rod body transmission line, so that impedance matching between the wiring rod body transmission line and the electromagnetic coupling joint is realized; under parameter conditions of the preset design frequency, the preset unit length capacitance of the transmission line, the p