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线性功
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  linear power
     Design of 250kHz-1GHz Linear Power Amplifier and Its AGC Circuit
     250K~1GHz线性功放及其稳幅电路的设计
短句来源
     One of drawbacks of orthogonal frequency division multiplexing(OFDM) technique is the high peak-to-average power ratio (PAPR)of signals,which substantially degrades the efficiency of a linear power amplifier.
     正交频分复用(OFDM)技术的一个缺点是信号的高峰值平均功率比(PAPR)大大降低了系统中线性功放的效率。
短句来源
     In this paper, a low noise high linearity amplifier which works in UMTS frequencies is analyzed and designed, it is used to amplify the distorted signal in WCDMA feed-forward linear power amplifier system.
     本文分析并设计了一应用在UMTS频段(2.11~2.17GHz)的低噪声高线性放大器,用来放大WCDMA前馈线性功放中的失真信号。
     This paper presents the development and status of linear power amplifier. Principle and circuit of predistortion feedforward and building blocks are introduced.
     综述了线性功率放大器的发展与现状 ,并分别介绍了当前已在应用的预失真法、前馈法和组合模块法线性功放的原理及电路。
短句来源
     How to construct an adaptive control system in microwave linear power amplifier is discussed particularly via proposing the linearization of microwave power amplifier (MPA).
     通过提出微波功率放大器线性化的问题,详细地阐述了用DSP+FPGA和LMS算法在微波线性功放中构建一个自适应控制系统。
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  “线性功”译为未确定词的双语例句
     The principle of power amplifier is introduced at first in this paper, especially its nonlinearity characteristic under the condition of Large signal.
     本文首先介绍了线性功率放大器工作原理,尤其是在大信号条件下,它的非线性特征,这是设计线性功放必备的基础;
短句来源
     A high efficiency linear RF amplifier is developed, which is based on the basic theory of Envelope Elimination and Restoration (EER) linearization amplifier and Class D audio amplifier technology.
     应用EER(EnvelopeEliminationandRestoration)线性功放技术和高效率D类音频放大技术,实现了一个高效率线性RF功率放大器。
短句来源
     Class D amplifier is much cheaper and energy saving than its linearcounterpart.
     与线性功放相比,D类功放具有效率高、体积小和成本低的优点。
短句来源
     However, the waveform distortion of class D amplifier isbigger than that of its counterpart.
     然而D类功放也有其自身的弱点,其输出信号中含有较高的谐波分量,输出波形的畸变比线性功放严重。
短句来源
     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.
     本论文利用EER( Envelope Elimination and Restoration)线性功放技术的基本原理[1],采用数字音频功放技术[2]实现高效率电源调制器,采用Class-D开关放大技术[3]实现高效率载频放大器,开发了一个集AM调制和放大于一体的高效率线性功率放大器。
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  相似匹配句对
     L.
     L.
短句来源
     Linear power modulator of shifting phase type
     调相触发型线性
短句来源
     Low power,high linearity CMOS programmable gain amplifier
     低耗、高线性CMOS可编程放大器
短句来源
     WHO'S WHO IN URANIUM GEOLOGY——CHEN GONG
     陈
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     Linear Prediction
     线性预测
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  linear power
It is predicted that the coherent pumping efficiency may be increased by adjusting the energy of the pump electrons, which will lead to a linear power dependence, a high efficiency, and low threshold currents.
      
Natural Minimal Set of State Equations of Linear Power Grids
      
The role of linear power partitioning in beam filamentation
      
At longer times, the growth follows a more linear power law.
      
The results of this study suggest a poor repeatability of constant-power upper-body exercises to exhaustion, which may contribute to a poor repeatability of CP and AWC determined from the linear power versus inverse of time model.
      
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This paper presents the development and status of linear power amplifier.Principle and circuit of predistortion feedforward and building blocks are introduced.

综述了线性功率放大器的发展与现状 ,并分别介绍了当前已在应用的预失真法、前馈法和组合模块法线性功放的原理及电路。

This paper deals with extracting the error signals from the opposed-signal cancellation loop and the intermodulated opposed-signal cancellation loop in the feed-forward superlinear amplification The two extractions in question have proved workable and effective

论述了前馈超线性功放中信号对消环路和互调对消环路中的误差信号提取的问题。所讨论的两种误差信号提取的方法均在实践中得到了验证 ,达到了预期的指标。

A high efficiency linear RF amplifier is developed, which is based on the basic theory of Envelope Elimination and Restoration (EER) linearization amplifier and Class D audio amplifier technology. The amplifier is amplitude modulated, the efficiency is higher than 75% at 7 MHz.

应用EER(EnvelopeEliminationandRestoration)线性功放技术和高效率D类音频放大技术,实现了一个高效率线性RF功率放大器。该线性放大器为AM调制,7MHz时效率优于75%。

 
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