high power amplifier
英 [haɪ ˈpaʊə(r) ˈæmplɪfaɪə(r)]
美 [haɪ ˈpaʊər ˈæmplɪfaɪər]
网络 高功率放大器; 大功率放大器; 高功放; 功率放大器
双语例句
- We depend on the foreign technology for the broadband solid-state high power amplifier for reconnaissance and communication.
由于器件和技术的原因，通信侦察的大功率宽带固态功放对国外有着很大的依赖性。 - Research of GNSS Radio Frequency Compatibility and Non-linear Effect of High Power Amplifier
GNSS无线频率兼容及高功放非线性效应影响的研究 - Joint Nonlinearity Reduction Method for High Power Amplifier
高功率放大器非线性失真联合抑制方法 - However, the MC-CDMA system inherits the problem on the higher peak-average power ratio ( PAPR) in the OFDM systems, which will result in the nonlinear distortion in a high power amplifier ( HPA).
但MC-CDMA系统也继承了OFDM信号具有高峰平功率比（PAPR）的问题，这会引起高功率放大器（HPA）出现非线性失真。 - Application of Single Chip on High Power Amplifier An Improved Amplifier Electrocircuit for Experiment
单片机在大功率功放电路中的应用一种改进型的功放实验电路 - This text introduces the radio frequency distorted linearization technology and makes an emulation on OW-CDMA base high power amplifier simulation linearization which appears the important function of the radio frequency distorted linear technology.
通过对射频预失真线性化技术的介绍，对W-CDMA基站中的高功率放大器模拟线性化进行了仿真，体现出射频预失真线性化技术在通信领域中的重要作用。 - A high power amplifier ( HPA) with nonlinear characteristics is represented by its AM-AM and AM-PM effects. In this paper, to counter-balance the power amplifier, an adaptive digital predistortion technique is introduced, as a result, the nonlinear characteristics of HPA can be eliminated.
功放具有非线性特性，其特征可用AM-AM特性和AM-PM特性表示，采用一种自适应数字预失真方法，通过自适应算法实时产生与功放AM-AM特性和AM-PM特性相反的逆模型，从而消除功放非线性特性的影响。 - The harmonic distortion of the broadband RF high power amplifier mentioned is reduced from (-11) dBc to-24 dBc and below using this method.
利用该方法，将文中提及的功率放大器的谐波失真从-11dBc降低到了-24dBc以下。 - One disadvantage of MC-CDMA is the high Peak-to-Average Power Ratio ( PAPR) that results in nonlinear distortion at a high power amplifier ( HPA) and the degradation of the bit error rate ( BER).
MCCDMA的一个缺点是峰值平均功率比（PAPR）高，这将会导致使用高功率放大器时的非线性失真及误码率性能的降低。 - On this basis, by using logical cooling means and superheat protect means, we design and implement a UHF broadband solid-state high power amplifier.
以此为基础，利用合理的散热设计和过热保护电路，设计并实现了一套UHF宽带固态大功率放大器。 - The OFDM system has a major disadvantage that high peak to average power ratio ( PAPR) can cause nonlinear distortion in the high power amplifier ( HPA).
OFDM系统的一个主要缺陷就是峰平比过高引起的高功率放大器（HPA）的非线性失真。 - Design and Implementation of UHF Broadband Solid-state High Power Amplifier
UHF宽带固态大功率放大器的设计与实现 - Some Problems Must be Adverted in the Medical Equipment Design and Application of the PA-series High Power Amplifier
PA系列高压功率放大器在医学仪器设计和应用中须注意的问题 - In the orthogonal frequency division multiplexing ( OFDM) transmission system, an adaptive pre-distortion method for high power amplifier ( HPA) was studied.
对正交频分复用（OFDM）传输系统中大功率放大器的自适应预失真方法进行了研究。 - Application of Analog Pre-distortion Technique in the Design of High Power Amplifier
模拟预失真在高功率放大器中的应用 - In the wireless communication systems, the nonlinearity of high power amplifier ( HPA) cause spectral spreading and adjacent channel interference.
在无线通信系统中，高功率放大器因其具有非线性特性，会导致频谱再生和邻道干扰等问题。 - The high power amplifier exists two problems: first is distortion of the output signal, including nonlinear distortion and chopper distortion, this will affect the timbre, in the serious situation it will burn out the speaker.
大功率功放存在2大问题：第一是输出信号失真，主要有：非线性失真和削波失真，这会影响音质，严重时还会烧坏扬声器。 - Digital predistortion is the most promising technique to overcome the nonlinearity of High Power Amplifier ( HPA).
数字预失真是克服高功率放大器（HPA）非线性失真最有前途的一项技术。 - The MW SSB stereo broadcasting system requires high efficiency of the transmitter which usually employs high power amplifier, as the high quality of information transmission is important.
中波单边带立体声广播发射系统，除要求高质量传送信息外，由于其发射功率较大，因此，如何提高发射机效率也是至关重要的问题。 - Design of Heat Dissipation and Electromagnetic Shielding of High Power Amplifier Array
大功率功放阵列的散热与电磁屏蔽设计 - Preliminary Discussion on Temperature-rising Control of High Power Amplifier
浅谈大功率功放的温升控制 - Study of pulse high power amplifier
脉冲大功率放大器的研究 - Design of High Power Amplifier for Communication
通信用高功率放大器的设计 - Feedforward is the most ideal way to perform broadband high power amplifier, which can accomplish more stringent linear specifications.
前馈技术是目前实现高功率宽带放大器的最理想方法，该技术可以在较宽的范围内满足更为严格的线性化指标。 - A multi-stage UHF broadband linear high power amplifier ( PA) is designed for the application as an electromagnetic environment simulator.
针对电磁环境模拟器应用设计了一个全固态UHF波段多级宽带线性高功率放大器。 - For the high peak to average ratio of OFDM signal and the nonlinear characteristics of nonlinear high power amplifier will inevitably produce nonlinear distortion in OFDM systems.
然而，OFDM信号的高峰均比以及功率放大器的非线性特性，使系统中不可避免的产生非线性失真噪声，因此，研究OFDM系统中非线性失真场景下的节能便成了目前亟待解决的问题。 - The monitoring software of unified dispatching, complete the remote control command receiving, high power amplifier switching machines, ranging transponder, zero value test and control terminal station zero value test, and calculate the control station equipment and the actual distance of zero.
在监控软件的统一调度指挥下，完成遥控指令的接收、高功放的开关机、测距转发、校零终端的零值测试和测控站的零值测试，并计算出测控站设备的实际距离零值。 - When class D amplifiers works at switch status, transistor as control element is in low power consumption and high power amplifier efficiency which is up to 90%. So it can greatly reduce energy loss and the volume of amplifier.
D类放大器工作在开关状态，作为控制元件的晶体管本身消耗功率较低，功放的效率就高，可达90%以上，因此能较大地降低能源损耗，减小放大器体积。 - The module is realized through the regime of phased array. The transmitter of T/ R module consists of phase shifter, attenuator, high power amplifier, and the receiver is composed by low noise amplifier, phase shifter, attenuator.
该T/R组件整体上采用相控阵体制的结构来实现：发射通道主要由移相器、衰减器、高功率放大器等组成：接收通道主要由低噪声放大器、移相器、衰减器等组成。 - Nonlinear distortion caused by High Power Amplifier is an inevitable issue in any practical wireless communication systems. It will introduce in-band distortion and out-band interference, and lead to system performance degradation.
任何实际的通信系统都无法避免由于功放的非线性而引起的信号失真，这种失真会带来信号的带内畸变和带外干扰，严重影响系统性能。