例句與造句

1. Voltage controlled oscillator ( vco ) is a key component of modern electronic equipments
   壓控振蕩器（ vco ）是電子設(shè)備中的關(guān)鍵部件。
2. The system parameters are developed at the same time , and some universal conclusions on the theoretical analysis of pll are reached . then , we have carried on analysis and research to the theory of differential delay ring voltage controlled oscillator ( vco ) . on this basis , a improved differential delay ring vco with more efficient loads is described . this circuit has been designed and implemented in 0 . 35 m cmos technology
   本文還對差分延遲結(jié)構(gòu)環(huán)形壓控振蕩器電路進行了深入的分析與研究,并提出了一種基于高質(zhì)量電阻電路的主從差分延遲結(jié)構(gòu)環(huán)形壓控振蕩器,其采用了一種新型的主從差分延遲結(jié)構(gòu),并用一個更有效、更穩(wěn)定的負載電阻電路結(jié)構(gòu)來替代vco設(shè)計常使用的單個mos管電阻結(jié)構(gòu),使其系統(tǒng)穩(wěn)定性有了相應(yīng)提高。
3. The thesis describes a prototype fractional frequency synthesizer which is supported by a project granted by the ministry of science and technology of pr china . firstly , based on the principle of pll , this paper briefly describes three basic pll components : phase detector ( pd ) , low pass filter ( lpf ) , voltage controlled oscillators ( vco ) , analyzes the linearized pll and summaries the transfer functions of third - order pll with ideal intergrator filter respectively . based on a microwave vco , the single point frequency pll frequency ranging from 2 . 2 to 2 . 5ghz is developed
   首先，從鎖相環(huán)的基本理論、原理出發(fā)，分析了鎖相環(huán)中的三個基本部件：鑒相器、環(huán)路濾波器和壓控振蕩器，此后，針對線性化鎖相環(huán)進行了分析，研究了在使用比例積分濾波器時，三階鎖相環(huán)的環(huán)路參數(shù)計算；在電路實現(xiàn)時選用了lmx2353 ，在此基礎(chǔ)上，完成了2 . 2 ~ 2 . 5ghz范圍內(nèi)的小數(shù)頻率合成器設(shè)計。
4. It's difficult to find voltage controlled oscillator (vco) in a sentence. 用voltage controlled oscillator (vco)造句挺難的