feedforward amplifiers中文什么意思

例句与用法

1. feedforward is generally known as the best performing linearization technique for its advantages, such as broadband, stability, etc . this paper introduces the theories of power amplifier nonlinear characters and feedforward technique . according to the rf specifications in 3gpp for wcdma transmitter power amplifier, an adaptive feedforward amplifier system is completed including eda simulation, circuits layout and main mechanical structure design
   本文根据3gpp对wcdma发射机功率放大器的射频指标要求,在对功率放大器的非线性特性和前馈技术的特性进行详细理论分析的基础上,结合eda仿真工具,设计了基于自适应前馈的功放系统,并完成了系统的调试和测试。
2. compared with traditional feedforward, this paper presents an adaptive control method based on power detection minimization . with strong and fast digital signal processing ability, the adaptive system can control feedforward amplifier parameters exactly and suppress non-linear products at last by detecting changes of signals and environments
   与传统前馈法相比,本文加入了基于最小功率检测算法的自适应控制电路,对输入功率变化、温漂和器件老化等导致系统性能下降的扰动进行自适应调整,使功放的非线性失真在很大程度上得到改善。