Power amplifiers are key components in wireless communication systems, whose linearity and efficiency are always the emphases.
功率放大器是无线通信系统中一个关键的组件，其线性度和效率一直是被关注的焦点。
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。
Linearization and efficiency enhancement techniques of power amplifier can be adopted to improve the linearity and power efficiency of the transmitter.
于是功率放大器的线性化以及提高效率的技术被采用来改善发射器的线性度和效率。
By the derivation, calculation and illustration it is testified that the that of stroke, transmission efficiency, linearity and life time meet the design requirements.
通过推导计算与实例证明，该驴头的行程、传动效率、线性度和寿命都满足设计要求。
Various PA linearization techniques have been adopted to improve linearity and power efficiency of wireless transmitters.
于是多种不同功率放大器的线性化技术被采用来改善无线发射机的线性度及效率。
High efficiency and high linearity space traveling wave tube (TWT) is required for satellite communication system as a high power, high gain microwave amplifier.
作为卫星通讯系统所用的高增益、高功率微波放大器件，行波管的效率和线性是非常重要的。
Therefore, the linearization methods are needed to improve the linearity, thus reducing the interference and improving the efficiency.
因此，需要采用线性化技术来提高线性度，减小邻道干扰，同时提高效率。
And the energy linearity and relative detection efficiency of these counters are also discussed.
介绍了计数管的能量线性和相对探测效率。
Designing a high linearity and high power efficiency wireless transmitter is a big challenge due to the nonlinear characteristic of the power amplifier.
而功率放大器又具有非线性特性，因此要设计高效率又高线性度的无线发射机便成了一个相当困难的挑战。
Because of non linearity of output voltage and current of the inverter, accurate measurement of inverter efficiency has always been a difficult problem around the world and demands prompt solutions.
由于逆变器输出的电流、电压的非线性，精确测量其效率一直是国内外亟待解决的难题。
The article introduces a new way to measure the linearity of long rails and to increase the efficiency and accuracy.
介绍长导轨直线度测量的新方法，在实际工作中提高工作效率和测量精度。
Based on the National Hi-Tech Research and Development Program (863), this project studies a novel high efficiency and linearity front-end of RF transmitter.
本课题是基于国家高技术研究发展计划(863)项目，研究新型高效率高线性射频发射前端。
Based on the National Hi-Tech Research and Development Program (863), this project studies a novel high efficiency and linearity front-end of RF transmitter.
本课题是基于国家高技术研究发展计划(863)项目，研究新型高效率高线性射频发射前端。
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