It ' s shown that the delay matching is the most important factor to obtain a wide - band feed - forward amplifier 提出减小延迟失配是提高环路带宽及前馈功率放大系统带宽的根本手段。
In audio , a very low frequency oscillation often resulting from a positive feedback path in an amplifier system 在音响设备中出现的振荡频率极低的低频振荡，常因放大系统的正反馈回路引起。
Research for the relation between small signal gain coef ficient and pump - energy density of high - power off - axis two - pass amplificati on 离轴高功率双程放大系统中小信号增益系数与泵浦能密度关系研究
Microfilming of technical drawings and technical documents part 6 : quality criteria and control of systems for enlargements from 35mm microfilm 技术图样与技术文件的缩微摄影第6部分: 35mm缩微胶片放大系统的质量准则和控制
Microfilming of technical drawings and other drawing office documents - quality criteria and control of systems for enlargement from 35mm microfilm 技术图样和其他办公文件图纸的缩微摄影. 35mm缩微胶片放大系统的质量标准和控制
This paper summarizes the development , application and trend of the cpa system , especially introduces the essential principle and experiment structure . 2 系统阐述了飞秒激光啁啾脉冲放大系统的发展、应用及未来的发展趋势，重点介绍了cpa技术的基本原理及实验结构。
The field ionization and coulomb explosion of small molecules in intense femtosecond laser pulses was studied by using the time of flight mass spectrometer 摘要利用飞行时间循谱仪和飞秒泪光放大系统，对分子在飞秒强镭射脉冲作用下的场致电离和库仑爆炸过程迸行了研究。
It is a bench - top preparative hplc solution on helping laboratories purifies compounds for clinical trials prior to full - scale production 高产率放大系统可以藉由非线性超载，将制备能力放到最大；它是一桌上型高压制备层析设备，主要协助实验室纯化临床试验或是生产所需的成分。
It is broadly used in the field of aeronautics and astronautics . this paper describes an active vibration control system aimed to driving piezoelectric or piezoelectric composites actuators 本文研究了一种用于驱动压电及压电复合材料的小型化、集成化的控制及驱动放大系统。
The " process scale - up system " is a complete preparative chromatography solution for purifying production volumes of bio molecules and active ingredient drug compounds used at pharmaceutical manufacturing 生产放大系统则是用以作为生物性分子或是药物有效成分的大量生产制造。
