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.
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。
When supply modulation and contour modulation are working in concert, the dynamic range and efficiency of the power amplifier can be further improved.
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。
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.
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。
Non - linear amplifier on the transmIt 'signal of the impact is closely related with the modulation method.
非线性放大器对发射信号的影响，与调制方式密切相关。
It is Consisted of modulation circuits, electrical optical converting, photodetector, equalizing amplifier and filter etc.
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。
The chirp performance of converted signal in wavelength conversion based on cross gain modulation (XGM) in semiconductor optical amplifier (SOA) was analyzed.
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 wavelength conversion based on cross gain modulation in a semiconductor optical amplifier (SOA) has been experimentally studied.
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。
This paper introduces the fundamental principles and character of PDM modulation of class E amplifier square 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。
In recent years as a result of the amplifier design technology progress, realized the modulation method possibly to become.
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。
The power amplifier (12) has a fixed gain mode and a variable gain mode used for the two modulation formats, respectively.
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。
Acousto-optic modulation of CO2 laser amplifier by using Bragg diffraction is described.
本文叙述了CO2激光的布喇格衍射型声光调制及放大装置。
The control circuit used very efficient PID modulation and anticipatory control so the power amplifier had little distortion and fast dynamic response.
它采用了电压闭环负反馈以及有效的PID调节环节和相应的超前校正环节，能保证很小的失真率和快速的动态响应能力。
The system is mainly composed of Digital Synthesis circuit, modulation circuit, broadband power amplifier, the MCU control system, and a module.
本系统主要由数字频率合成电路、调制电路、宽带功率放大、单片机控制系统等模块构成。
The traditional class D amplifier is composed of three parts: modulation circuit, driving circuit and power amplification circuit.
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。
Finally, the antenna, ASK modulation, power supply of the tag, load impedance modulation, demodulation, power supply sensor and HF power amplifier were realized.
本文实现了天线、ASK调制、应答器的电源、负载调制、解调、电源传感器和高频功放模块。
The controller combines parallel amplification and drain modulation of the CMOS class-E power amplifier to provide high efficiency over a broad range of output powers.
结合射频E类功率放大器的结构特点，采用CMOS工艺，达到了在大的输出功率范围内保持持续稳定高效率的目的。
The total capacity of gain reaches 25dB. This thesis also described the collector modulation of the Class-E amplifier and the circuit for protection.
文中也阐述了驱动E类功放的集电极调制电路和功放保护电路的原理和设计。
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.
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。
Secondly, a current for it is developed, which consists of a bridge zero modulation current, signal amplifier and analog filter.
然后为其设计了信号放大、滤波和调零电路；
This modulation is converted to a square wave output signal proportional to the rotary speed by an amplifier with trigger characteristics.
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。
The system is mainly composed of a power supply module, control module, display module and a modulation module, power amplifier module.
该系统主要由电源模块、控制模块、显示模块和调频模块，功放模块组成。
An intermediate frequency amplifier is designed to suppress the parasitic amplitude modulation and suppression effect is also analyzed.
设计了一种中频放大器以抑制寄生调幅干扰并分析抑制效果。
Semiconductor optical amplifier (SOA) is very fit for all optical modulation format conversion due to its high nonlinear characteristics, lower switch power and small size.
半导体光放大器(SOA)由于具有高非线性特性、低开关功率和尺寸较小等优点，非常适合用来实现全光码型转换。
Semiconductor optical amplifier (SOA) is very fit for all optical modulation format conversion due to its high nonlinear characteristics, lower switch power and small size.
半导体光放大器(SOA)由于具有高非线性特性、低开关功率和尺寸较小等优点，非常适合用来实现全光码型转换。
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