常見例句雙語例句This paper first discusses the instinct disadvantage of a superheterodyne receiver, which is that it has more spurious response.本文首先指出了超外差接收機的固有缺點,即它有更多的虛假響應(yīng)。In this paper, a superheterodyne receiver is taken as an example to illustrate the characteristic and effect of virtual experiment teaching.竝以超外差接收機的工作原理爲(wèi)例,說明了虛擬實騐教學(xué)的特點和作用。The system uses the emitter to send ultra high frequency signals after coding with signal coder and the secondary superheterodyne mixing receiver to accept the moving target signals.系統(tǒng)中發(fā)射器採用編碼器編碼後發(fā)送超高頻信號,接收器採用二次混頻型超外差式接收移動目標(biāo)信號。 返回 superheterodyne receiver