網(wǎng)點(diǎn)主要分為調(diào)頻網(wǎng)點(diǎn)(FM),見圖1-7(a)、調(diào)幅網(wǎng)點(diǎn)(AM),見圖1-7(b)和混合網(wǎng)點(diǎn)三大類?;旌暇W(wǎng)點(diǎn)是一種混合加網(wǎng)生成的網(wǎng)點(diǎn),這種網(wǎng)點(diǎn)以調(diào)幅網(wǎng)點(diǎn)為骨架,以調(diào)頻網(wǎng)點(diǎn)為修飾,網(wǎng)點(diǎn)的形狀各不相同,位置略呈隨機(jī)分布,并具有調(diào)幅網(wǎng)點(diǎn)和調(diào)頻網(wǎng) (共 8452 字) [閱讀本文] >>