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。
Linearization and efficiency enhancement techniques of power amplifier can be adopted to improve the linearity and power efficiency of the transmitter.
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。
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.
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。
Various PA linearization techniques have been adopted to improve linearity and power efficiency of wireless transmitters.
这种高压变频器设计新颖、独特,功率器件少、结构简洁,可靠性高,负荷均衡、线性度好,具有良好的控制特性。
The high voltage inverter is of novel design, fewer power devices, simple structure, high reliability, balanced load distribution, good linearity and ideal control properties.
如果发射机输出功率电平高于切换点则可选择第二(例如,高线性度)模式。
A second (e. g., high linearity) mode may be selected if the transmitter output power level is above the switch point.
对低噪声放大器设计时,主要围绕正向功率增益、噪声系数、线性度、功耗等主要性能指标进行设计。
We designed the LNA according to the performance index of its forward power gain, noise figure, linearity, power consumption and so on.
两个魔雷6寸喇叭,有3寸大的线圈和双层磁铁构造,来优化线性度、动态跟踪和功率处理。
The two Morel 6 "damped polymer composite woofers feature over-sized 3" voice-coils and double magnet construction to optimize linearity, dynamic tracking and power handling.
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。
Designing a high linearity and high power efficiency wireless transmitter is a big challenge due to the nonlinear characteristic of the power amplifier.
虽然通过功率回退,可以得到较好的线性度,但是对于峰均比高的信号而言,效率就会很低。
If we simply back-off the input signal to achieve the linearity required for the power amplifier, the power amplifier efficiency will be very low for high PAR signals.
利用高对比度液晶光阀(LCLV)对联合功率谱进行非线性处理,实现了实时非线性联合变换相关。
Utilizing a high contrast liquid crystal light valve (LCLV) to perform joint power spectrum nonlinear processing, real time nonlinear joint transform correlation is implemented.
提高变容管的非线性度,在应用中可以相应减小注入功率。
The required pumping power can be greatly reduced if a varactor having much higher nonlinearity is employed.
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。
Power amplifiers are key components in wireless communication systems, whose linearity and efficiency are always the emphases.
对所设计的应用电路板测试表明,采用该设计的功率放大电路具有精度高、线性度好、性能稳定等优点。
Tests for the applied PCB show that the aims of high precision, good linearity, excellent stability are finally achieved.
并将“包络跟踪”理论应用于DPA以提升在大功率输出时DPA线性度。
At the same time, envelope track theory will be used to improve the linearity of DPA.
就像魔雷单元,丹拿高音单元的低失真和卓越线性度,在所有功率水平下都能表现。
Like the Morel woofers, the Dynaudio tweeter is designed for extremely high power handling coupled with low distortion and superior linearity at all power levels.
射频功率放大器总是要求在一定频率范围内输出一定的功率,同时满足系统的线性度和高效率要求。
For RF PA, always require it can output a certain power within a range of frequency, at the same time meeting the system nonlinear requirements and have high conversion efficiency.
有源器件的线性度是随着电流或功率的增加而增加的,即这样一个概念:放大器级的电流越大并且混频器的本 振功率越大,那么线性度就越高。
The linearity of active stages grows with increasing current or power, i. e. The more current available for amplifier stages and for LO power for mixers, the higher the linearity of the concept.
对所设计的应用电路板测试表明,采用该设计的功率放大电路具有精度高、线性度好、性能稳定等优点。
Tests for the applied PCB show that the aims of high precision, good linearity, excellent stability are finally achieve...
对所设计的应用电路板测试表明,采用该设计的功率放大电路具有精度高、线性度好、性能稳定等优点。
Tests for the applied PCB show that the aims of high precision, good linearity, excellent stability are fin...
发送功率1毫瓦,将无线性能提升到及至,达到15米自由使用,任意360度围绕使用角度,让你彻底摆脱“有线”的限制;
The sending power 1 milliwatt, promotes the wireless performance until, achieves 15 meter free use, the random 360 degrees regarding the use angle, let you get rid thoroughly "wired" the limit;
本文介绍了一种用SG3524开关稳压器构成廉价的IGBT功率管驱动电路,它具有电路简单、线性度好,适用范围广的特点。
This paper introduces a kind of the IGBT cheaper driven circuit being made up of SG3524 voltage regulator. It has the characteristics of circuit simple, linear circuit good and applicable range wide.
本文介绍了一种用SG3524开关稳压器构成廉价的IGBT功率管驱动电路,它具有电路简单、线性度好,适用范围广的特点。
This paper introduces a kind of the IGBT cheaper driven circuit being made up of SG3524 voltage regulator. It has the characteristics of circuit simple, linear circuit good and applicable range wide.
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