求翻译：调制器用于改变高频载波信号，使得载波信号的振幅、频率或相位与调制的基带信号相关。射频识别系统信道的传输介质为电磁场（电感耦合）和电磁波（微波）。是什么意思？

Modulator is used to change the high-frequency carrier signal, making the carrier signal amplitude, frequency or phase modulated baseband signal and related. RF identification system for the transmission medium channel electromagnetic fields (inductive coupling) and electromagnetic (microwave).

modulation is used to change the carrier signal frequency carrier signal, the amplitude modulation, frequency or phase with the baseband signal. radio frequency identification systems channel transmission medium for electromagnetic fields (inductance coupling) and electromagnetic waves (microwaves).

The modulator uses in changing the radio-frequency carrier signal, causes the intelligence signal the oscillation amplitude, the frequency or the phase and the modulation baseband signal is related.Radio frequency recognition system channel transmission medium for electromagnetic field (inductive co

Modulator is used to change the high-frequency carrier signals, making carrier signal amplitude, frequency or phase modulated baseband signal-related. Channel transmission medium for electromagnetic radio frequency identification system (inductively coupled) and electromagnetic wave (microwave).

Modulator is used to change the high-frequency carrier signal, making the carrier signal amplitude, frequency or phase modulated baseband signal and related. RF identification system for the transmission medium channel electromagnetic fields (inductive coupling) and electromagnetic (microwave).