例句與造句

1. Two kinds of typical wideband signal , frequency modulation ( fm ) signal and frequency spread signal , is analyzed qualitatively with wideband ambiguity function
   以寬帶模糊度函數(shù)為工具定性地分析了兩類(lèi)典型寬帶信號(hào)，即調(diào)頻信號(hào)和頻率分集信號(hào)。
2. Digital sound broadcasting is a general term covering a wide range of systems and technologies , including eureka 147 and isdb - t , which are designed to replace frequency modulation ( fm ) broadcasting , digital radio mondiale ( drm ) , a possible successor to amplitude modulation ( am ) , as well as iboc , which is intended to complement the existing am and fm services
   數(shù)碼聲音廣播?是一個(gè)統(tǒng)稱(chēng)，技術(shù)上是分為不同的系統(tǒng)和制式，有取代fm廣播的eureka147和isdb - t ，也有針對(duì)am廣播的drm ，和可以與amfm并存的iboc等系統(tǒng)，它們都有一個(gè)共通點(diǎn)，是現(xiàn)時(shí)的收音機(jī)并不適用。
3. It's difficult to find frequency modulation(fm) in a sentence. 用frequency modulation(fm)造句挺難的