调制管转移射频放大器中的电流。
轮廓调制结合了一种相位调制信号的波形和放大器的输出阻抗,可在某个较大型输出电源关闭后保持更高的效率。
Contour modulation is a technique in which a phase-modulated signal waveform and amplifier output impedance work together to maintain higher efficiency over a sizable output power back-off.
当电源调制和轮廓调制协同工作时,功率放大器的动态范围和效率可以进一步提高。
When supply modulation and contour modulation are working in concert, the dynamic range and efficiency of the power amplifier can be further improved.
放大器输入为电压信号,与光敏二极管产生的光电流信号成比例。调制光柱以断路器同样的频率照射光敏二极管。
The amplifier input is a voltage proportional to the photocurrent signal produced by a photodiode, which is irradiated by a modulated light beam at the same chopper frequency.
非线性放大器对发射信号的影响,与调制方式密切相关。
Non - linear amplifier on the transmIt 'signal of the impact is closely related with the modulation method.
在发送方向,收发信机向功率放大器提供射频信号,功率放大器根据给定调制类型的增益和斜坡信息对信号进行放大。
In the transmit direction, the transceiver provides RF signals to the power amplifier, which amplifies the signals based on gain and ramp information for a given modulation type.
其它特性包括:集成缓冲用来驱动基准电压,以及集成完全差动放大器用来缓冲调制器输入并进行电平转换。
Other features include an integrated buffer to drive the reference as well as a fully differential amplifier to buffer and level shift the input to the modulator.
随着移动通信中线性调制方式的出现,功率放大器的线性化已成为一个重要的研究课题。
Linearization of power amplifiers has become an important issue, with the advent of linear modulation methods in mobile communication.
介绍了基于正弦波和方波调制的高压放大器的不同工作原理,并对其出力系数进行了推导。
The paper presented the theory of sine-wave and square-wave modulated high-voltage amplifier and deduced the formula for calculating its efficiency.
其中包括信号的调制电路、电光变换、光检测器、均衡放大器和滤波器等。
It is Consisted of modulation circuits, electrical optical converting, photodetector, equalizing amplifier and filter etc.
对基于半导体光放大器交叉增益调制的波长转换进行了实验研究。
The wavelength conversion based on cross gain modulation in a semiconductor optical amplifier (SOA) has been experimentally studied.
为了获得振幅均衡的有理数谐波锁模脉冲,必须在原有的实验装置中添加一个掺铒光纤放大器(EDFA)以提高注入调制光信号功率。
For obtaining a pulse series with a small amplitude ripple, an Erbium-doped Fiber Amplifier (EDFA) must be added into the primary experiment setup to enhance injection-modulation signal power.
近年来由于放大器设计技术的进展,实现了调制方法成为可能。
In recent years as a result of the amplifier design technology progress, realized the modulation method possibly to become.
传统的D类放大器一般由三部分组成,即调制电路、驱动电路和功率输出电路。
The traditional class D amplifier is composed of three parts: modulation circuit, driving circuit and power amplification circuit.
本文介绍了E类放大器方阵电路PDM调制的基本原理和调制特性。
This paper introduces the fundamental principles and character of PDM modulation of class E amplifier square circuit.
功率放大器(12)具有分别用于这两 种调制格式的固定增益模式和可变增益模式。
The power amplifier (12) has a fixed gain mode and a variable gain mode used for the two modulation formats, respectively.
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 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.
本文介绍了一种用声光调制器、模拟除法器和自动锁相放大器来改进激光探针测试系统稳定性的方法。
This paper reports a technique used lor improving the stability of the laser probe consisting of an acoustooptic modulator, an analogue divider and an auto-lock-in amplifier.
通过带有触发器特征的放大器将这种调制转换为方波输出信号,该输出信号与旋转速度成正比。
This modulation is converted to a square wave output signal proportional to the rotary speed by an amplifier with trigger characteristics.
对基于半导体光放大器中交叉增益调制效应的波长转换后信号的啁啾特性进行了分析。
The chirp performance of converted signal in wavelength conversion based on cross gain modulation (XGM) in semiconductor optical amplifier (SOA) was analyzed.
OQPS K调制器的不均衡以及放大器的非线性对接收机的性能具有非常大影响。
The OQPSK modulator imbalance and amplifier nonlinearity have a deleterious effect on the receiver performance.
调制器的不均衡以及放大器的非线性对接收机的性能具有非常大的影响。
The modulator imbalance and amplifier nonlinearity have a deleterious effect on the receiver performance.
接收机的每个通道都由高频放大器、中频放大、中频采样、数字正交器组成,另外还有DDS信号产生和频率激励源用来形成雷达发射机所需的S波段脉冲调制激励信号。
Each of them is composed of high frequency amplifier, intermediate frequency amplifier and sampling, digital phase uprightness intersector, DDS and the S band signal inspirator for the transmitter.
RSOA作为新型的光放大器和调制器的结合,其性能可以达到高速光通信系统的要求,利用RSOA可以简化onu系统的复杂度。
RSOA can work as both optical amplifier and modulator. Its high performance meets the demand of high-speed optical communication system and simplifies the ONU system.
本文在前人的基础上分别提出电光调制器自动偏置控制和射频放大器自动增益控制方案。
In this paper, on the basis of our predecessors, I proposed separately by electro-optic modulator automatic gain control and automatic bias control program.
芯片内置频率合成器、功率放大器、晶体振荡器和调制器等功能模块。
The transceiver consists of a fully integrated frequency synthesizer, a power amplifier, a crystal oscillator and a modulator.
所述的运算放大器的输出信号分两路输出到微控制器,一路经过调制解调器输出到微控制器,另一路直接输出到微控制器;
The output signal of OA is divided into two routes to output to MC: one is through modem outputted to MC; and the other is outputted to MC directly.
在第二部分,我们将着眼于活性成分,如射频晶体管,混频器,调制器和放大器,用于下一代无线电台。
In Part 2, we will look at active components such as RF transistors, mixers, modulators, and amplifiers for next-generation radios.
与此相反的是,8 - PS K调制方式实现线性模式,其中在脉冲串的有用部分期间,功率放大器发射的功率幅度随着时间而变化。
In contrast, 8-psk modulation implements a linear mode in which a time-varying amplitude is output from the pa as measured by power versus time during the useful part of the burst.
采用选择区域生长、量子阱混杂和非对称双波导技术制作了电吸收调制器与半导体光放大器和双波导模斑转换器的单片集成器件。
On the basis of the study of the single circular groove guide and symmetric double circular groove guide, a new structure, asymmetric double circular groove guide, has been put forward.
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