国外有学者提出了一种延迟线失配法来提高前馈放大器的效率。
A foreign scholar has brought forward some kind of delay mismatch method to improve the efficiency of feedforward amplifiers.
本文着重介绍了前馈放大器电路的工作原理，并对系统中各关键器件的参数进行定量分析。
The dissertation highlights the work principle of the feed-forward amplifier circuit, and then quantitative analysis of the key components parameters in the system.
提出了降低前馈系统辅助功率放大器功率容量的判断条件。
Critical conditions for reducing the power level of auxiliary amplifier are presented.
针对此类功率放大器的不足，探讨了一种改进措施，给出了设计原理图，有望在不增加系统复杂性的基础上，显著提高前馈法的效率。
Because of the shortage of this amplifier, we develop a new measurement which can improve the power efficiency remarkably without adding the complexity of the system.
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.
该分布式电源系统采用高频母线形式，原边电路采用双管正激电路，电压前馈控制，后级利用磁放大器精确控制。
The primary circuit has the form of double switch forward of feedforward control, the second circuit used the magnetic amplifier as the post regulator.
前馈技术是目前实现高功率宽带放大器的最理想方法，该技术可以在较宽的范围内满足更为严格的线性化指标。
Feedforward is the most ideal way to perform broadband high power amplifier, which can accomplish more stringent linear specifications.
结合现代移动通信对功率放大器的要求对前馈法做出了具体的分析：包括工作原理、数学模型、软件仿真等。
The feedforward method has been discussed in detail combined with the modern communication system application including principle, mathematic model and software simulation.
前馈技术是功率放大器线性化的主要技术之一。
Feedforward is one of the power amplifier linearization technologies.
前馈技术是应用于大功率放大器线性化的一种比较理想的方法，因此，射频前馈功率放大器的研究是一项十分有意义又深具挑战的课题。
Feedforward technology is a good method implicated in power linearity, therefore, the research of RF feedforward power amplifier is a practical and challenge topic.
接着介绍了常用的功率放大器的线性化技术，例如预失真和前馈技术，重点介绍了预失真技术。
Some common linearization techniques, such as feedback, feed-forward and pre-distortion, have been introduced and predistortion has been especially described.
接着介绍了常用的功率放大器的线性化技术，例如预失真和前馈技术，重点介绍了预失真技术。
Some common linearization techniques, such as feedback, feed-forward and pre-distortion, have been introduced and predistortion has been especially described.
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