This paper introduces the design of common apparatus and ways to make digital power amplifier.
本文介绍了用常用器件设计、制作数字功率放大器的方法。
Experimental results show that this digital power amplifier has the characteristic of low current ripple, quick current response and high stability.
实验结果表明，数字功率放大器具有电流纹波小、稳定性能好和电流响应快等优点。
The mathematical model of the digital power amplifier was established. Compare and analyse the digital power amplifier and the the analog power amplifier.
首先研究分析了功率放大器各个部分的工作原理，建立了针对磁悬浮轴承的功率放大器系统的数学模型。
Expounds the principle of audio frequency power amplifier is designed for manostat, preamplifier, volume control, power amplifier four parts digital power amplifier megaphone.
阐述了音频放大的原理，设计了以稳压电源、前置放大、音量调节、功率放大四部分组成的数字功率放大扩音器。
Finally, analyse and compare digital and analog amplifier power amplifier through experiment. Do some Specific analysis of the various characteristics of digital power amplifier.
最后，通过试验分析对比了数字功率放大器和模拟功率放大器，具体分析了数字功率放大器的各种特性。
This paper introduces the basic structure of a digital power amplifier system, with an in-depth discussion on the implementation of the digital signal processing parts in this system.
介绍了立体声数字功率放大器系统的基本结构，深入讨论了数字功率放大器的数字信号处理部分的实现原理。
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.
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。
Adaptive digital predistortion is an effective technique which compensate nonlinear distortion introduced by the high power amplifier (HPA).
自适应数字预失真是补偿高功率放大器非线性的一种有效技术。
The system incorporates preamplifier, band-stop network, FPGA digital processing module and power amplifier circuits.
该系统分为前置放大器、带阻网络、FPGA数字处理模块、功率放大器等模块组成。
Error and precision about a digital signal power amplifier system was studied.
分析了一个数字电压信号功放大系统的输出精度和误差产生的因素。
The paper presents an efficient digital adaptive method compensating for nonlinear distortions caused by a high-power amplifier (HPA) in orthogonal frequency division multiplexing(OFDM) system.
本文提出了一种用于正交频分复用（OFDM）系统中由大功率放大器引起的非线性失真的有效的数字自适应补偿方法。
The system is mainly composed of Digital Synthesis circuit, modulation circuit, broadband power amplifier, the MCU control system, and a module.
本系统主要由数字频率合成电路、调制电路、宽带功率放大、单片机控制系统等模块构成。
In this paper, the operation principles of the total system and power-amplifier circuit, design method of digital PWM hardware circuit and software are described, and.
文中着重阐述系统和功放电路的工作原理、数字脉宽调制器的硬件电路、软件设计方法，并给出实验结果。
A digital amplitude-frequency equalization power amplifier was presented.
设计实现了一个数字幅频均衡的功率放大器。
The high-speed digital frequency mixer made of medium-scale integrated circuits and the design of a high power transistor amplifier are also presented.
介绍了高速中规模集成数字频率合成器、晶体管高频大功率放大器的设计。
An improved scheme of full bridge PWM for Class-D audio power amplifier is described in the paper, and it is implemented in analog and digital way.
论述了音频D类功率放大器的全桥pwm改进方案，并用模拟与数字的方法实现。
This digital amplifier consists of a digital inverter that can amplify the sine voltage signal power using a digital signal processor (DSP).
采用数字化逆变器来实现电力系统正弦电压信号功率的放大，利用DSP的高速处理能力，实现了逆变系统的高性能和高精度。
In this paper, a new kind of digital audio power amplifier on DDX is proposed and tested, which is UPA001 not only with a USB digital audio interface and but an analog audio interface.
设计了一款基于DDX功率驱动技术、既具有USB数字音频接口又具有模拟音频接口的数字音频功率放大器upa001。
There introduces the basic composition of digital audio power amplifier TDA8924. Its key technologies are thoroughly discussed.
文章介绍了TDA8924数字音频功放的基本组成，对其关键技术进行了详细论述。
The method is based on AM-AM?AM-PM characteristics of a nonlinear power amplifier and application of band -pass nonlinearity theory and digital signal processing techniques.
根据功放的实测AM-AM、AM-PM特性，采用时域分析方法，并应用带通非线性理论和数字信号处理技术，分析了宽带数字调制信号激励下的射频功率放大器非线性失真特性。
The USM driving control system based on digital signal processor was designed. The digital wave synthesizer was used as the signal generator, and the full-bridge inverter was used in power amplifier.
设计了基于数字信号处理器的超声电机驱动控制系统，以数字波合成器作为超声信号发生器，以全桥逆变器为功放。
The USM driving control system based on digital signal processor was designed. The digital wave synthesizer was used as the signal generator, and the full-bridge inverter was used in power amplifier.
设计了基于数字信号处理器的超声电机驱动控制系统，以数字波合成器作为超声信号发生器，以全桥逆变器为功放。
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