But in the highfrequency measurements, the effect of cable will lead to serious errors.
这在测量频率较高时将会产生较大的系统误差。
2
Based on analyzing the theory of OFDM (Orthogonal Frequency Division Multiplexing) and characteristic of cable transmission, the Modem of high speed cable telemetry system has been designed.
In allusion to the problems mentioned above, firstly, the paper models the distribution parameter circuit of the cable and the highfrequency circuit of motor through the transmission theory.