功率放大器

In this activity, a Driver Coil connected to the Power Amplifier is used to vibrate a thin wire that is stretched over two "bridges" on a Sonometer.

wire。本实验中，采用一个与功率放大器相连的驱动线圈来使绷紧在振动频率计两桥臂上的细金属丝产生振动。

If a person is found spruiking with an amplifier without Council approval the spruiker and/or the owner and/or manager of the business who employs the spruiker will be issued a notice to comply with the local law and must cease the activity immediately.

如果某人被发现spruiking同一个功率放大器未经理事会批准spruiker和/或所有者和/或经理经营者雇用的spruiker将发出通知，以符合当地法律，必须停止活动的举报。

Theoretical analysis and simulation results demonstrate that asymmetries in lower and upper sidebands and IMD magnitude variation depending on envelope frequency and junction temperature can appear, these results are in accordance with measurement results, and show that electrical and thermal memory effects exist.

理论分析和仿真结果表明功率放大器上下边带不平衡和互调失真幅度依赖于包络频率和结温，结果和测量的结果是一致的，说明存在电和热记忆效应。

The design of a kind of low-frequency power amplifier was given, including a voltage amplification circuit, a display circuit based on FPGA, and a BEF filter.

摘 要：给出了一种低频功率放大器的设计制作过程，包括电压放大电路、FPGA控制的显示电路、带阻滤波器等部分。

The foundational cell of this amplifier is a double antipodal flexible substrate integrated waveguide including symmetrical dove-tail taper transition structure.

中文摘要：这种功率放大器的基本组成单元是一对含对称尖劈过渡结构的柔性基片集成波导。

The L band 500W SSPA module which has reached national level is the first sample of the Southwest China Research Institute of Electronic Equipment in this aspect;2. The method which to obtain fast rising time for narrow pulse width is got;3. The method of eliminating autoecious surge with pulse power amplifier is presented;The cause of pulse shape aberration is analysed.

二、工作的创新之处(1)L波段500W固态功放组件达到国内先进水平，是29所研制的第一台固态雷达功放组件；(2)得到了如何在窄脉宽情况下获得快速上升沿的方法；(3)提出了针对脉冲功率放大器的消除寄生振荡的方法；(4)对脉冲波形变差进行了分析。

The paper introduces a simple and practical method for thermal design of the power amplifier based on the author's experience. It presents an optimum design for ducted radiator,not only assuring the reliability of the equipment,but also improving the economical efficiency of the equipment.

本文通过笔者在实际工作中遇到的问题及解决方案，展示了一种比较简单实用的功率放大器热设计的方法，同时对管道式散热器进行了更深入的优化设计，即保证了设备的可靠性，又提高了设备的经济性。

The research has studied a type of double input direct current amplifier which is holohedral symmetry and whole complementry to get the work fundamental of this electric circuit, and investigate the basic way and principle of the design.

文中通过对一款双差分输入全对称全互补直流功率放大器进行分析，总结出了这一类电路的工作原理，并探讨了这类电路的基本设计方法和设计原则。

In this paper we study the nonlinear characteristic of microwave power amplifiersystem. Introduce the basic principle of feedback, feedforward and pre-distortiontechnical to linearize.

本文详细分析了微波功率放大器的非线性特性，介绍了反馈、前馈、预失真等各种线性化技术的基本原理。

In broadband communication systems, such as WCDMA and OFDM, the memory effects can no longer be ignored and the performance of traditional memoryless modeling and predistortion method is seriously degraded.

在近年来迅速发展的WCDMA和OFDM等宽带通信系统中，射频功率放大器的记忆效应显著，传统的无记忆建模和预失真技术，很难获得理想的效果。

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。