功率放大器

PHS system still has great market in China at present, and relevant technology is in the grasp of Japanese. Therefore, the relevant research of PHS system natural value and especially study power amplifier transmitter of high power base station.

目前PHS系统在中国大陆仍存在著极大的市场，而相关技术又掌握在日本人手中，因此PHS系统之相关技术值的研究，尤其是在大功率基地台发射用功率放大器这方面。

Progress of with the development of society , science and technology andgradual improvement of people's living standard, various kinds of helpautomatic control system in life begin to enter people's life, audio power amplifer, taking one-chip computer as the core is one of them.

随着社会的发展、科技的进步以及人们生活水平的逐步提高，各种方便于生活的自动控制系统开始进入了人们的生活，以单片机为核心的功率放大器就是其中之一。

Have independent outputs and mix and output the function, can connect the organ stop or the power amplifier

具有独立的输出和混和输出功能，可接调音台或功率放大器

To compensate for nonlinear distortion of RF power amplifiers, a novel adaptive digital predistortion method based on piecewise polynomial was proposed, and multiple lower-odd-order-only polynomials in the form of orthogonal coordinates were used for predistorter design.

为补偿RF功率放大器的非线性失真，提出一种新的基于分段多项式的自适应数字预失真方法，使用多个直角坐标形式的低阶奇次多项式设计预失真器。

In the part of alarm volume output, BTL power amplifier is adopted, which can increases power usage and output high-power with the low voltage.

在报警音量输出部分采用BTL方式功率放大器模式，提高电源利用率，在低压下可输出大功率。

150W monophonic constant-voltage audio power amplifier, high-power overmeasure, high reliability.

150W定压式音频功率放大器，大功率裕量，高可靠性。

In this way, the demodulation arithmetic and pulse compression of multi-channels can be packed into a single FPGA.To compensate the nonlinear effect of power amplifier, a successive overrelaxation iterative method of digital predistortion is applied here to ensure the low sidelobe performance, high output power and fast iterative speed.

分析了功放非线性对超低副瓣脉冲压缩信号的影响，基于射频功率放大器、矢量信号发生仪和矢量信号分析仪，采用松弛迭代法实现并优化了功放数字预失真算法，提高了迭代收敛速度与稳定度。

SOI-LDMOS is adopted by RF power amplifier because of its excellent isolation performance and small parasitical effect.

SOI-LDMOS以优良的隔离性能、较小的寄生效应被RF功率放大器所采用。

Methods of analyzing memory effects of PAs are proposed.

提出了射频功率放大器记忆效应的分析方法。

At least one saturated power amplifier is provided for each of the at least one constant amplitude, phase modulated drive signals.

对至少一个固定幅度相位被调的驱动信号的每一个提供至少一个饱和的功率放大器。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。