rf amplifier 中文意思是什麼
rf amplifier
解釋
射頻放大器-
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。 -
General specification for military rf power amplifier
軍用射頻功率放大器通用規范 -
Principle and applications of low - voltage rf power amplifier max
2235的原理及應用 -
As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system
功率放大器（ pa ）作為無線通信射頻發射機中不可缺少的關鍵電路，對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用，而適用於恆包絡信號放大的e類功率放大器，更是在現代通信系統中佔有十分重要的地位。 -
A high efficiency dual - band rf power amplifier has an output and / or input of a high frequency transistor well terminated at the second harmonic frequency for dual - band operation
本發明乃一種高效率雙頻射頻功率放大器，提供高頻電晶體的輸出端與?或輸入端于雙頻操作中有良好的二階諧波終止。 -
The linearization of rf power amplifier
射頻功率放大器的線性化技術 -
Nonlinear analysis and linearization technique of the rf power amplifier
射頻功放的非線性分析與線性化技術 -
Theoretical analysis and model simulation of adef linearization technique for rf power amplifier unit
線性化技術的理論分析及模型模擬 -
Since the envelope of modulated signal fluctuates, these methods generate unwanted intermodulation distortion ( imd ) products in a nonlinear radio frequency ( rf ) power amplifier ( pa ). so it is necessary to use linearization technique to reduce the adjacent channel interference ( aci )
但包絡變化的調制信號經過非線性射頻功放后會產生交調分量，因此必須採用線性化技術來減少由此產生的鄰道干擾。 -
Feedforward is generally known as the best performing linearization technique for its advantages, such as broadband, stability, etc. this paper introduces the theories of power amplifier nonlinear characters and feedforward technique. according to the rf specifications in 3gpp for wcdma transmitter power amplifier, an adaptive feedforward amplifier system is completed including eda simulation, circuits layout and main mechanical structure design
本文根據3gpp對wcdma發射機功率放大器的射頻指標要求，在對功率放大器的非線性特性和前饋技術的特性進行詳細理論分析的基礎上，結合eda模擬工具，設計了基於自適應前饋的功放系統，並完成了系統的調試和測試。 -
So, we designed a fully integrated low noise amplifier ( lna ) for 2. 4ghz rf front - end receiver on satellite
針對此，本論文完成了一個2 . 4ghz衛星射頻前端接收電路的全集成差分cmos低噪聲放大器（ lownoiseamplifier ）的設計。 -
In new system the error pa can also amplify the original signal, so the performance of whole amplifier system increases. since rf predistorters used in the new system, the linearity and power efficiency can be enhanced
該技術改變了誤差通路中的信號特性，使誤差放大器也輸出有用信號功率，提高了整個放大系統的性能。 -
Principle and maintenance of rf power amplifier of philips mr - nt
磁共振射頻功放原理及兩例電源故障分析 -
Analysis and design for class e rf tuning power amplifier
類射頻調諧功放的分析與設計 -
The class - d voltage switching amplifier technology is adopted to develop the rf amplifier
載頻放大器採用高效率的class - d開關放大技術。 -
According to the eer theory, using the amplified envelope signal as the power supply of the class - d amplifier, the envelope will modulate the magnitude of the rf signal. the modulated impulse rf signal is added to the impedance match circuit, so the amplified am signal is achieved
將放大的包絡信號作為class - d載頻放大器的電源，根據eer原理， class - d載頻放大器輸出載頻信號的幅度將受到包絡信號的線性調制，達到同時實現對載頻信號的放大和am調制的目的。 -
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。 -
Adaptive feedforward linearization for rf power amplifier
射頻功率放大器的自適應前饋線性化技術 -
An analog predistortion linearizer for rf amplifier
一種模擬預失真線性化射頻放大器 -
Detecting a soft trouble of philips mri rf amplifier
15磁共振射頻功率放大器的原理及維修
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