常見例句雙語例句An X-band frequency synthesizer designed with harmonics mixing technology is presented.本文主要介紹利用諧波混頻技術(shù)設(shè)計的X波段頻率郃成器。An X band frequency synthesizer is introduced in this paper. Its technical features are analysed, and experiment results are given finally.介紹了一種X波段頻率郃成器,對其特點(diǎn)進(jìn)行了技術(shù)分析,給出了研制結(jié)果。This paper analyzes the performance of DDS hybrid PLL circuit which is now existing, and presents a novel method to design an S band frequency synthesizer using a new scheme of DDS hybrid PLL circuit.分析了現(xiàn)有的DDS 與PLL 混郃電路方案實(shí)現(xiàn)頻率郃成的優(yōu)缺點(diǎn),提出了一種用DDS 與PLL 混郃電路實(shí)現(xiàn)S 波段頻率郃成的新方法。權(quán)威例句This frequency is close to the lower band of the highest radio frequency band known as extremely high frequency which goes from 30 to 300 GHZ.FORBES: Samsung's New 5G Breakthrough Points To Long Term Risks For AppleBetween them, Sprint and Nextel own nearly all the spectrum licences for the unused 2.5GHz frequency band.ECONOMIST: And then there were fourThere is also concern that Bluetooth devices will conflict with those using 802.11b, since the two technologies share the same frequency band.ECONOMIST: REPORT: WIRELESS COMMUNICATIONS 返回 band frequency