例句與造句

1. Analog phase shifter ; 3db directional coupler ; network analyzer
   模擬移相器窄帶3db耦合器網(wǎng)絡(luò)分析儀
2. Analog phase shifter analog phase shifter
   模擬壓控移相器
3. It is presented that the theory and the manufacturing technology of such analog phase shifter , which are made from conventional 3db quadrature hybrids coupler with two identical varactor - diode networks to provide a shifted phase that varies continuously with biased dc voltage . several analog phase shifters have been made for different operating frequencies . each phase shifter has phase range more than 180 , return loss better than - 20db , insertion loss 4 . 8db including 3db attenuator , transmission difference less than0 . 075 db . computer code phases . bas can present the referenced component values
   介紹了利用鐵氧體磁環(huán)制作窄帶3db耦合器的原理和方法，詳細(xì)分析了利用此耦合器設(shè)計制作模擬壓控移相器的理論和制作技巧，以及所制作的多種頻率的壓控移相器的測試技術(shù)指標(biāo)和實際運(yùn)行情況。
4. It's difficult to find analog phase shifter in a sentence. 用analog phase shifter造句挺難的