載波放大器 的英文怎麼說
中文拼音 [zǎibōfàngdàqì]
載波放大器
英文
carrier ampliffier- 載 : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 放 : releaseset freelet go
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 載波 : signal carrier; carrier wave; carrier: 3路載波 three channel carrier載波傳輸 carrier transmission...
- 放大器 : amplifier; pantograph; lawnmower; enlarger; magnifier
- 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
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The power of the modulated carrier wave is increased by the rf power amplifier
射頻功率放大器增加了調變載波的功率。In wavelength conversion based on four - wave mixing ( fwm ) in soa, balance efficiency can be obtained in larger range when increasing saturation power of the optical amplifier and decreasing the saturation power of spectral hole burning and carrier heating
而在基於soa的四波混頻( fwm )波長轉換中,在提高光放大器飽和功率的同時減小光譜燒孔( shb )和載流子加熱( ch )飽和功率可有效提高較大頻率間隔處的轉換效率,並保持其在較大頻率失諧范圍內的效率均衡。Investigation on rf power amplifier imd detection and carrier cancellation
射頻放大器互調失真檢測和載波抵消的研究Multi - carrier power amplifier linearization based on adaptive rf predistortion
基於自適應射頻預失真的多載波功率放大器線性化技術The whole control system is introduced and the parameters and working principle of the build - in - vehicles sensor developed independently are discussed with emphasis. some filter and amplifier circuits used to dispose the disturb signals were designed in experiments
本文介紹了整套系統的構成,重點討論了自行研製的車載傳感器的具體參數以及工作原理;為配合試驗中採集到的數據的去除干擾處理,製作了濾波放大電路。At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research. these difference frequencies are 60mhz, 280mhz, 739mhz and 1ghz of normal frequency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as frequency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db
本研究採用一階溫度系數為零的壓電石英基片上製作出損耗小於5db 、有載品值因素( ql值)超過1000的一系列低損耗、高q值聲表面波rayleigh波或stw諧振器,頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波諧振器。並採用噪聲系數為1 . 25db的低噪聲系數放大器,精心設計電路,優化設計布置印製電路板,用標稱頻率為1ghz的聲表面波諧振器為頻率控制元件,製作出在偏離載頻1khz處的單邊帶相位噪聲近- 120dbc / hz 、雜波抑制達80db以上的低相位噪聲聲表面波振蕩器。This complex network is highly subject to producing ultrasonic oscillations which can overload the input circuitry of the device at the receiving end ( preamp, amp, etc. )
這個復雜電路通常會產生超聲波震蕩,這能使接收端器材(前級,后級放大器等)的輸入電路過載。Secondly, we used the dsp assembly language to perform the carrier phase tracking based on a digital processing system. this system is designed according to the idea of software radio. this digital processing system realized the intermediate frequency digitalization. with the diverse configuration of the digital upconverter and digital downconverter in this system, it can carry through many signal modulation modes. and because the carrier phase trac king is performed using software in dsp, it brings great convenience to this system and makes this system available in many digital communication systems
在該數字處理平臺上可通過加載不同的軟體對平臺中的數字上下變頻器進行靈活的配置以實現不同的數字調制解調制度,通過將載波的相位跟蹤工作放在dsp軟體中進行帶來了很大的靈活性,能夠適用於當前許多種數字通信系統。The sounds and images are converted into electrical signals by a microphone ( sounds ) or video camera ( images ), amplified, and used to modulate a carrier wave that has been generated by an oscillator circuit in a transmitter
聲音合圖像由話筒(聲音)或攝像機(圖像)轉換為電子信號,經過放大后,用來調制發射器中一個振蕩器產生的負載電波。After the analysis of power produce character of the typical three - phases unbalance load, the corresponding circuit is adopted. this main circuit is composed of the power filter series and tcr control circuit. secondly the theory of band - pass filter is analyzed in detail, and then a method of implementing butterworth band - pass filter is put forward
簡要分析了無功補償的基本原理和工作特點,通過對典型的三相不平衡負載工作特點的分析,主電路採用電力濾波器與晶閘管控制電抗器相接合的結構;對用於無功檢測的帶通濾波器進行了分析,設計了用於負載電壓、電流信號濾波的帶通濾波器,並採用運算放大器加以實現。The nonlinear influence on multiple carriers signal, such as am / am and am / pm conversion, has been analyzed in this paper. some common linearization techniques, such as feedback, feed - forward and pre - distortion, have also been introduced and compared, which shows that feed - forward is the preferred linearization approach for application in this paper
本文分析了微波功率放大器的非線性特性,特別是am / am轉換和am / pm轉換對多載波信號的影響,也介紹了反饋、前饋、預失真等各種常用線性化技術的基本原理,並對它們的優缺點進行了比較總結。A broadband matching network is designed for the broadband signal antenna, using one of the broadband matching technologies - real frequency theory. secondly, the relative theory, design and emulate of the power amplifier are presented, and a power amplifier of high output power and high efficiency is designed, according to the standards of the responder system
2 ,討論了功率放大器的相關理論、設計、模擬及實現,主要包括:功率放大器的穩定性分析、負載線法分析以及功率放大器工作類別分析;根據應答器系統指標,完成了系統中大功率高效率的能量載波功率放大器的設計。Power : put to say to, and the sum settle the power to is just valid index sign that evaluate the to put the function. it points within the scope of certain of the wave lose true, and the make longer a work can biggest power of the output s. enlarger while connecting into the box of the different resistance that exportation power can have different, usually the enlarger can mark clearly its sum to settle the exportation resistance ; for example a sum that set enlarger while loading a resistance to settle the exportation power to the, and load the resistance to may increase the the above. because the power there is method of various marks, some and illegal factory to can have intention to exaggerate the data, purchase or choose the hour to want with physically hear the to take in to distinct, comparison
它是指在一定的諧波失真范圍內,功放長期工作所能輸出的最大功率。放大器在接入不同阻抗的音箱時的輸出功率會有所不同,通常放大器會標明其額定輸出阻抗例如一臺放大器在負載音箱阻抗為時的額定輸出功率為,負載阻抗為時就可能增加到以上。因為功率有多種標法,某些不法廠商會有意誇大數據,購買或選配時要以實際聽音加以區別比較。分享友人