非线性放大器对发射信号的影响，与调制方式密切相关。
Non - linear amplifier on the transmIt 'signal of the impact is closely related with the modulation method.
核信号处理电路主要由线性放大器和脉冲成形电路构成。
Nuclear signal processing circuit mainly consists of linear amplifier and pulse shaped-circuit.
提出了一种光电耦合线性放大器，对其进行了分析和实验。
A new kind of linear amplifier has been developed and analyzed. And an experiment has been performed on it.
记忆非线性放大器的预失真问题一直是预失真技术的难点。
Predistortion for nonlinear amplifier with memory always is very difficult.
这个课程模块介绍了线性放大器范围中的半导体器件的特征。
This module introduces the characteristics of semiconductor devices in a range of linear applications.
开关功率放大器由于开关变换器本身固有的非线性，失真通常大于传统的线性放大器。
The distortion introduced by switching power amplifier is typically larger than in their liner counterparts due to intrinsic nonlinearity of switching converter.
能谱仪上用的线性放大器，除了有足够的放大倍数外，还须有良好的线性和宽广的动态范围。
The linear amplifier on the spectrometer, besides it has the enough enlargement factor, and needs the good linearity and the broad dynamic range.
开关功率放大器的优势是它具有高效率，但是由于其本身固有的非线性，开关功率放大器的失真通常大于传统的线性放大器。
The advantage of the switching amplifier is the high efficiency, but the distortion is still bigger than the linear amplifier because of the switching working and it's non-linear.
线性功率放大器有失真小、线性好等优点，但是其损耗大，效率低。
Linear power amplifier has low distortion and good linearity, but it has high loss and so low efficiencies.
于是功率放大器的线性化以及提高效率的技术被采用来改善发射器的线性度和效率。
Linearization and efficiency enhancement techniques of power amplifier can be adopted to improve the linearity and power efficiency of the transmitter.
大功率滤波器(38)位于功率放大器(20)的下游并引起线性失真。
A high power filter (38) is located downstream of the power amplifier (20) and causes linear distortion.
线性组件8fc750系列产品，是我国生产的低功耗集成运算放大器。
The produce of the linear module 8fc750 series is the low consumed power integrated operational amplifier made in China.
理论分析结果表明，单周控制开关功率放大器的输出信号与输入信号成线性变化关系，其控制性能由输出滤波器决定。
The theory research results of one cycle controlled switching power amplifier show that the output signal follow the input signal linearly, and the control performance is decided by output filter.
本论文提出把PS A作为在线放大器应用于线性高速光纤通信系统和光孤子系统。
In this dissertation, we focus on researching the performance of both linear high-speed optical fiber communication and soliton transmission system using PSA as in-line amplifier.
放大器前的部件，诸如带通滤波器(32)，引起线性失真。
A pre-amp component, such as a band-pass filter (32), causes linear distortion.
基于速率方程建立了线性光放大器(loa)的数值模型，模拟了线性光放大器的增益钳制特性。
The numerical model of the linear optical amplifier (LOA) is built based on the rate equations. The gain clamping characteristics of LOA are simulated.
针对径向力的控制要求研制了双向电流型线性功率放大器和PID控制器。
The linear power amplifier of current-type and the PIDcontroller is designed for the control of radial force.
所设计的射频2W线性功率放大器是基于负载线匹配原理，采用功率回退法技术。
The 2W linear RF Power Amplifier in this paper is designed in Feedback method, based on Loadline Theory.
设计了一种新型可变增益线性脉冲放大器。
I have designed a kind of new variable gain linear pulse amplifier.
寻求先进、高效、实用、稳定、可靠的UHF电视发射机高频线性功率放大器，至今仍是一个十分重要的技术课题。
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 TVtransmitter by now.
针对线性光放大器(loa)的结构特点，建立了基于速率方程的模型。
According to structural property of linear optical amplifier (LOA), a model was built using rate equations.
最后激励级的跨导放大器将电压线性的转化为电流。
Finally, the transconductance amplifier of the stimulating circuit linearly translates the voltage signal into cu.
于是多种不同功率放大器的线性化技术被采用来改善无线发射机的线性度及效率。
Various PA linearization techniques have been adopted to improve linearity and power efficiency of wireless transmitters.
随着移动通信中线性调制方式的出现，功率放大器的线性化已成为一个重要的研究课题。
Linearization of power amplifiers has become an important issue, with the advent of linear modulation methods in mobile communication.
目前线性功率放大器的设计主要采用前馈、预失真和功率回退等线性化技术。
Feedforward, Predistortion and Feedback linearization techniques are mostly used in Linearity Power Amplifier Design.
本文研究了预失真技术在CD MA2000系统中的应用，设计了一种实用的数字预失真系统来提高功率放大器的线性度和效率。
Application of predistortion technology in CDMA2000 system is discussed in this paper. And a practical digital predistortion system is proposed to improve linearity and efficiency of power amplifier.
要解决这个问题，必须采用线性化技术来改善高效率功率放大器的非线性特性。
For solving this problem, various linearization techniques have been employed to improve the linearity of high efficiency power amplifier.
通过系统仿真，得到色散参量的变化对拉曼放大器的性能影响较大，而非线性系数对其影响较小。
The simulation results show that dispersion has great impact on the performance of fiber Raman amplifiers, while nonlinearity makes little influence on them.
在低噪声放大器噪声线性的基础上，介绍了负载温度可变法，用于测量低温低噪声放大器的噪声。
On the basis of the noise linearity of low noise amplifier(LNA), the variable load temperature method is introduced to measure noise properties of cryogenic LNAs.
在低噪声放大器噪声线性的基础上，介绍了负载温度可变法，用于测量低温低噪声放大器的噪声。
On the basis of the noise linearity of low noise amplifier(LNA), the variable load temperature method is introduced to measure noise properties of cryogenic LNAs.
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