linear amplifier 中文意思是什麼
linear amplifier
解釋
線性放大器-
Bing high power resources of millimeter - wave radiation, based on electron cyclotron maser, gyrotron has been pay much respect in the world for vast applications in many areas such as plasama calefaction, linear accelerators, millimeter wave radar, communications, electronic countermeasure and so forth. prof. liu shenggang began the research on electron cyclotron maser, and later, the group leaded by prof. li hongfu has done much research work on gyrotron also, and later, they have began the research on a kind of gyrotron amplifier - - - - - - gyroklystron
迴旋脈塞器件? ?迴旋管作為大功率毫米波源，在等離子體加熱、線性加速器、雷達、通信及電子對抗等領域有著廣泛的應用前景，因此受到了國際上的廣泛重視，特別是近三十年來，迴旋管得到了快速的發展，並成為了研究的熱門方向。 -
The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward
介紹了限制寬帶放大器頻帶寬度的因素，通過分析mosfet的本徵參數、寄生參數對頻率特性的影響，提出了採用短溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法；分析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響，根據應用於雙極晶體管電路的跨導線性原理，提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器，獲得了良好的頻率響應。 -
In the thesis, a high efficiency linear am amplifier is developed, which is based on the basic theory of eer linearization amplifier technique [ 1 ]. the high efficiency digital audio amplifier technology [ 2 ] is adopted to develop the power supply modulator and the class - d switching amplifier technology [ 3 ] is adopted to develop the high efficiency rf amplifier
本論文利用eer （ envelopeeliminationandrestoration ）線性功放技術的基本原理[ 1 ] ，採用數字音頻功放技術[ 2 ]實現高效率電源調制器，採用class - d開關放大技術[ 3 ]實現高效率載頻放大器，開發了一個集am調制和放大於一體的高效率線性功率放大器。 -
Gyroklystron amplifier is a novel high - power millimeter - wave coherent radiation source. as a result of high - power capability and high - efficiency and moderate bandwidth advantages, gyroklystron amplifiers have received a great deal of attention in recent years for a variety of applications including high - power radars, electronic counter systems and the next linear collider etc. specifically in twenty years later, there was much developments on gyrotron
迴旋速調管放大器是一種能夠在毫米波段獲得高功率、高效率及一定帶寬的新型毫米波相干輻射源，因其在高功率毫米波雷達、電子對抗、定向能武器、材料處理和加速器等領域的重要應用前景，在國際上受到了廣泛的重視。 -
Feedforward linear power amplifier design for cdma2000 1x system
系統正向前饋線性功率放大器設計 -
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
隨著新一代半導體高頻功率放大管的一些突破性變革和多種技術的推陳出新，電真空管功率放大器正在被全固態高頻線性功率放大器逐步取代。 -
Nuclear signal processing circuit mainly consists of linear amplifier and pulse shaped - circuit
核信號處理電路主要由線性放大器和脈沖成形電路構成。 -
Compared with traditional feedforward, this paper presents an adaptive control method based on power detection minimization. with strong and fast digital signal processing ability, the adaptive system can control feedforward amplifier parameters exactly and suppress non - linear products at last by detecting changes of signals and environments
與傳統前饋法相比，本文加入了基於最小功率檢測演算法的自適應控制電路，對輸入功率變化、溫漂和器件老化等導致系統性能下降的擾動進行自適應調整，使功放的非線性失真在很大程度上得到改善。 -
The improvement can also be used to correct total differencial and integral errors caused by pre - amplifier, linear amplifier, shaping circuit, peak stretcher and holder as well as adc at the same time
這種方法也可校正由前置放大器、線性放大器、成形電路、峰展寬電路和模數變換電路等共同造成的微分非線性和積分非線性。 -
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）電視發射機，其高頻線性功率放大器普遍採用電子管、速調管、感應輸出管（ iot ）等電真空管放大器件。 -
Linear dynamic range of amplifier
放大器線性動態范圍 -
The research of rf linear power amplifier in ofdm system
系統的射頻功率放大器線性化的研究 -
Measurements of the electrical properties of transmitting tubes - measuring methods of dual tone inter - modulation distortion of linear amplifier tubes
發射管電性能測試方法線性放大管雙音互調失真的測試方法 -
The linear amplifier on the spectrometer, besides it has the enough enlargement factor, and needs the good linearity and the broad dynamic range
能譜儀上用的線性放大器，除了有足夠的放大倍數外，還須有良好的線性和寬廣的動態范圍。 -
The common detector output pulse signal scope is several dozens millivolts, but the multichannel pulse analyzer input pulse amplitude request is 1 - 15v, therefore the pulse linear amplifier must have the certain voltage gain, about ten times to several times
一般探測器輸出脈沖信號幅度為幾十毫伏，而多道脈沖幅度分析器輸入脈沖幅度要求為1 - 10v ，所以脈沖線性放大器必須具有一定的電壓放大增益，為數倍到上百倍。 -
To compare with transistor ( complete solid - state ) high - frequency linear power amplifier, there are some disadvantages : bad stability and reliability, low efficiency, high cost for operating, huge cabinet, heavy maintenance work load, low security for high - voltage electricity offering, and to ensure the continuance of tv program, the transmitter must be operating with main frame and spare frame
它們與晶體管（全固態）高頻線性功率放大器相比，存在著穩定性及可靠性差、效率低、運行費用高、發射機體積大、日常維護工作量大、高壓供電不安全、必須採用主機和備機的運行方式來確保電視節目不停播等缺點。 -
6 sets memory for front panel setting and test sequence store recall linear amplifier with feedback control to provide highly regulated power
具6組記憶組，供面板設定值儲存呼叫與循環測試功能 -
This subject aim at designing a linear power amplifer whose output power is 40w for 225 - 450mhz band. but it seems not easy to finish the task because of this power amplifier own unique requirements including high output power, broad working frequency band, high linearity, and flat gain. due to the complexity involved, theoretically several soltuions are derived in the final scheme such as broadband matching technology, power - retreat, power synthesize, automatic power control and negative feedback. in addition, the design will be optimized by eda software and the final test result indicates that our design is successful
本課題的目標是研製一個輸出功率為40w的225 450mhz的線性功率放大器。由於該功放要求輸出功率大，工作頻帶寬，帶內增益波動小，線性度高，所以其終合設計難度大。鑒于這個原因，在理論設計上筆者採用了寬帶匹配、功率合成、功率回退、負反饋、自動功率控制等技術；在實踐中精心設計電路，並且配合eda軟體模擬，最終達到所要求的指標。 -
In the charge pump principle section, the principle of linear mode and skip mode are analyzed in detail. the principle of step - up / step - down and the main parameters are also given in there. in sub - block circuit section, the typical circuits including reference, operational amplifier, thermal protection and current limit are introduced
在電荷泵基本理論中，詳細分析了線性（ linear ）模式、跳周期（ skipcycles ）模式和具有遲滯控制的跳周期模式;同時也介紹了電荷泵的升壓/降壓工作原理以及主要性能參數及其意義。 -
High power linear amplifier is the key component of satellite communications, wireless communications, high capacity numeral microwave communications, catv, wlan and other communication systems
高功率線性功放是軍用衛星導航通信、無線通信、大容量數字微波通信、廣播電視、無線接入等系統急需的關鍵部件。
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