linear power amplifier造句
例句與造句
- The research of rf linear power amplifier in ofdm system
系統(tǒng)的射頻功率放大器線性化的研究 - Feedforward linear power amplifier design for cdma2000 1x system
系統(tǒng)正向前饋線性功率放大器設(shè)計 - ( 2 ) made a research in the composing mode of the high - frequency linear power amplifier of uhf complete solid - state transmitter
( 2 )對uhf全固態(tài)電視發(fā)射機(jī)高頻線性功率放大器的組成方式進(jìn)行了研究。 - Most of the power amplifiers using in the military systems today are importations and the army needs the homemade linear power amplifiers urgently
目前,相關(guān)軍用設(shè)備所用高功率線性功放基本上為國外進(jìn)口,受國外制約嚴(yán)重,迫切需要解決其國產(chǎn)化問題。 - We combined the predistortion and feed - forward technologies and added self - reaction control module to build a linear power amplifier system . and it has high efficiency and high linearization
本自適應(yīng)預(yù)失真、前饋控制系統(tǒng)將射頻和自動控制有機(jī)結(jié)合,達(dá)到了高效率、高線性度的目的。 - It's difficult to find linear power amplifier in a sentence. 用linear power amplifier造句挺難的
- Pointed out that it is a very important subject to look for the advanced , high - efficiency , useable , stable , reliable high linear power amplifier of uhf tv transmitter by now
指出：尋求先進(jìn)、高效、實用、穩(wěn)定、可靠的uhf電視發(fā)射機(jī)高頻線性功率放大器，至今仍是一個十分重要的技術(shù)課題。 - At present , solid state power amplifier has wide application in the remote control subsystem of the telemetry and remote control system which made most important in research in the solid - state linear power amplifier
目前，固態(tài)功率放大器在遙測遙控地面發(fā)射系統(tǒng)已經(jīng)得到廣泛的應(yīng)用，使對于線性固態(tài)功率放大器的研制顯得極為重要。 - It is well know that the solid - state linear power amplifier is one of the most important part of transmitter in the telemetry and remote control system . its main function is to amplify the upconvertor ' s signal
眾所周知，線性固態(tài)功率放大器是遙測遙控系統(tǒng)中遙控分系統(tǒng)發(fā)射機(jī)的重要組成部分，它完成對上行鏈路信號的放大發(fā)射功能。 - As for the tv transmitter of uhf of which the power grade is above 10kw , the valve power amplifier such as the electron tube , klystron and iot are widely adopted in high - frequency linear power amplifier
功率等級在10kw以上的uhf (特高頻)電視發(fā)射機(jī)，其高頻線性功率放大器普遍采用電子管、速調(diào)管、感應(yīng)輸出管( iot )等電真空管放大器件。 - ( 4 ) specially made a research in the key technology of uhf complete solid - state high - frequency linear power amplifier : balancing transistor high - frequency linear power amplifier and the technology of 3db power integrating ( allocating )
( 4 )重點研究了uhf全固態(tài)電視發(fā)射機(jī)高頻線性功率放大器的關(guān)鍵技術(shù)：平衡式晶體管高頻線性功率放大器以及3db功率合成(分配)技術(shù)。 - As the great reform and progress in a lot of techniques have been made in the new generation of semiconductor high - frequency power amplifier , valve power amplifiers are replacing by complete solid - state high - frequency linear power amplifiers gradually
隨著新一代半導(dǎo)體高頻功率放大管的一些突破性變革和多種技術(shù)的推陳出新，電真空管功率放大器正在被全固態(tài)高頻線性功率放大器逐步取代。 - The paper has discussed deeply the power amplifier in sdr . and the present design methods and techniques of the broadband linear power amplifier are analyzed at large . the study of the power amplifier ' s performance characteristics is emphasized on broadband , linearity and efficiency
本文對軟件無線電中的射頻功率放大器進(jìn)行了較深入的討論，系統(tǒng)詳盡地分析了目前寬帶線性射頻功放的設(shè)計方法和技術(shù)，在軟件無線電的構(gòu)架下，著重于射頻功率放大器的寬帶、線性和效率等性能的研究。 - Meeting to the demand of linear power amplifier ( lpa ) compensation technology in the modern communication , this thesis presents a reflection adjustable phase shifter using the reflection theory , realizing phase adjust in a wide range with a little amplitude fluctuation and discussing the principle and experimental results
摘要針對現(xiàn)代通信中線性功率放大器的補償要求，介紹一種利用反射理論設(shè)計可調(diào)移相器，實現(xiàn)大范圍移相，同時幅度波動很小，并詳細(xì)討論了它的工作原理和實驗結(jié)果。 - The main contents and creative results of the paper are given as follows : ( 1 ) introduced the special requirement of output power for tv transmitter , on condition that the wireless coverage of tv signal is achieved at uhf , analyzed the important meaning of the research in high frequency linear power amplifiers of uhf transmitter
本文的主要研究內(nèi)容和創(chuàng)造性成果如下： ( 1 )介紹了在uhf波段實現(xiàn)電視信號無線覆蓋，對電視發(fā)射機(jī)輸出功率的特殊要求，分析了對uhf電視發(fā)射機(jī)高頻線性功率放大器進(jìn)行研究的重要意義。 - By the development of high frequency switch , low frequency transformer has been withdrawn from many domains . but in the domain of ups , linear power amplifier and the inverter output low frequency ac , for the purpose of isolation and change voltage , there is no choice but to use low frequency transformer
高頻開關(guān)技術(shù)的發(fā)展，使工頻變壓器從許多領(lǐng)域中退了出來，但是在需要隔離的ups不間斷電源、數(shù)碼線性功率放大器、要求輸出低頻正弦波的dc ac變換器等許多領(lǐng)域中，為了隔離或變換電壓的需要，以至不得不保留了低頻變壓器。
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