Effect of Harmonic Loading on Power Amplifier Performance 谐波负载阻抗对功率放大器性能的影响
Harmonic Detection Virtual System of Methane Concentration Based on Digital Lock-in Amplifier 基于数字锁相放大器的甲烷谐波检测虚拟系统
Studies on 8mm second harmonic gyroklystron amplifier 8mm二次谐波回旋速调放大器的研究
The Analysis of the Harmonics of the SPWM Three-phase Frequency Inverter Circuit; STUDIES ON 8mm SECOND HARMONIC GYROKLYSTRON AMPLIFIER SPWM三相变频调速电路的谐波分析8mm二次谐波回旋速调放大器的研究
DGS structure has also been used in microwave power amplifier design, mainly in high order harmonic suppression in order to improve performance index of microwave power amplifier. 以及将DGS结构用于微波功率放大器设计中,主要用于高次谐波抑制,以提高微波功率放大器的性能指标。
The beam-wave interaction of a designed Ka-band second harmonic gyroklystron amplifier is studied by using a self-consistent nonlinear simulation program. 应用自行编制的电子注-波互作用的自洽非线性模拟程序,我们对Ka波段二次谐波回旋速调管放大器的注-波互作用进行了研究。
The basic design parameters of an 8mm second harmonic three-cavity gyroklystron amplifier are determined by combining the small signal analysis with such mode choice consideration as sizes of the drift tube, wall losses and space-charge effects etc. 结合小信号分析和选模问题,以及诸如输出腔壁的损耗、空间电荷效应等影响因素的设计考虑,确定了8mm二次谐波三腔回旋速调管放大器的基本设计参数。
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。
Its measurement signal is to lead into harmonic signal digital measurement analysis system via TA end screen voltage signal amplifier. 其测量信号是经过TA末屏电压信号放大器引入谐波信号数字测量分析系统的。
A kind of new measurement system and new test method was introduced, which applies to the harmonic measurement in HV power network, which is formed by TA end screen signal amplifier and harmonic signal digital analysis system. 介绍了一种适用于高压电网谐波测量的新型测量系统及试验方法。该谐波测量系统由TA末屏信号放大器和谐波信号数字分析设备组成。
The system consists of ( 1) a torque motor made out of ferrite permanent magnet,( 2) a harmonic drive gear,( 3) a linear amplifier or a pulse width modulative amplifier and ( 4) a sensor. 本系统包括(1)铁氧体力矩电机,(2)谐波减速齿轮,(3)线性放大器或脉宽调制放大器,(4)传感器等元件。
After analyzing third harmonic, it is showed that, in some range of definite frequency, the increase in the gain-bandwidth of the subtracting operational amplifier will effectively reduce the amplitude of third harmonic. 对实验数据的三次谐波的分析表明,在一定频率范围内,提高减法运算放大器的增益带宽能有效减少三次谐波的幅度。
By applying the theory of harmonic balance technique, the power amplifier is designed using microstrip and GaAs FET die; 在谐波平衡分析的基础上,使用功率GaAsFET管芯和微带电路设计实现了功率放大器;
This paper introduces the new method of harmonic test for HV system, adopting the end screen signal divider of TA, and through TA end screen voltage signal amplifier to lead the measurement signal into the harmonic measurement and analysis system. 文章介绍了采用TA末屏信号分压,经过TA末屏电压信号放大器将测量信号引入谐波测量分析系统的高压系统谐波测试新方法。
The Effects of Match Circuit Harmonic Tuning on Power Amplifier 匹配电路谐波特性对功率放大器性能的影响
The millimeter wave source is composed of constant temperature VCO, microwave multiplexer, millimeter wave harmonic mixer and inject amplifier. 采用恒温晶振+微波倍频+毫米波谐波混频器倍频+注入式放大的方法很好地解决了稳定性问题;
These results provide an explain and reference theoretically for the design of the beam-wave interaction circuit of an 8mm second harmonic three-cavity gyroklystron amplifier. 这些工作为8mm二次谐波回旋速调管放大器注-波互作用电路的设计,提供了基本的理论参考。
Theoretical model of a double-cusp gun for Ka-band second harmonic gyro-TWT amplifier was analyzed, and the electron beam performance parameters were calculated. 分析了Ka波段二次谐波回旋行波管双磁会切电子枪的理论模型,计算了电子枪的设计参数;
The Harmonic Analysis from the Comparative Amplifier of a High stable Current Source 高稳定电流源比较环节引入的纹波分析
After the detailed calculations of beam-wave interactions of an 8mm second harmonic three-cavity gyroklystron amplifier with PIC simulation are finished, the visual output pictures and results of the interactions between electromagnetic wave and particles are attained. 通过PIC粒子模拟,对8mm二次谐波三腔回旋速调管放大器的注-波互作用进行了详细的模拟计算,获得了比较准确的电磁波和粒子互作用的输出图像。
In the final analysis of the power amplification technology on the basis of the harmonic oscillator, designing power amplifier, and it can adjust output amplitude and duty cycle. The experiment verifies that the improved algorithm can meet the clinical demand. 最后在分析功率放大技术的基础上,设计了谐振功率放大器,并使其输出幅度和占空比可调,实验验证了改进算法能够满足临床应用需求。