After getting the result in time domain , the frequency of oscillation is obtained by fft 得到時域結(jié)果后,運(yùn)用fft求出了有源天線的振蕩頻率。
Protons are capable of absorbing energy if exposed to electromagnetic energy at the frequency of oscillation 如用與質(zhì)子振動頻率相同的電磁波激發(fā)它時,質(zhì)子就能夠吸收能量。