frequencydetection

Frequency-ranking是什么意思 frequency-chirped是什么意思 frequency-changer是什么意思 frequency-hopping是什么意思 frequency-shaping是什么意思 frequency-doubled是什么意思 frequency-divider是什么意思 frequency-modulatd是什么意思 frequency-shifting是什么意思 frequency-sampling是什么意思