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- parametric amplifier system 参量放大器系统
- By an independent amplifier system. 采用了独立功放系统。
- A frequency stabilized Gunn oscillator is used as the pumping source of the Ist-stage parametric amplifier. 第一级参量放大器,采用体效应振荡器做泵源,加有稳频装置。
- Optical parametric amplifier (FOPA) is a four-wave mixing based on a new type of optical amplifier. 光纤参量放大器(FOPA)是一种基于四波混频的新型光放大器。
- The optical fiber parametric amplifier (FOPA) is one kind based on four wave mixing new light amplifier. 内容如下:光纤参量放大器(FOPA)是一种基于四波混频的新型光放大器。
- 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 of Properties of an Internal Optical Parametric Oscillator (IOPO)and Optical Parametric Amplifier (IOPA)[J]. 引用该论文 柳 强;鞠有伦;姚宝权;王月珠;王 骐.
- The ratio of output power from an amplifier system, to the input power. Gain is normally measured in decibels. 放大系统的输出功率与输入功率之比,增益通常用分贝表示。
- Recently, pulses with 4fs duration have been generated by noncollinear phase-matched optical parametric amplifier pumped by 400nm in BBO crystal in the visible spectral range. 目前,通过400nm泵浦的BBO晶体非共线I类相位匹配光参量放大获取的最窄脉冲已达4fs。
- The two-mode squeezed number states as the common eigenstates of the parametric amplifier Hamiltonian and the generalized two-mode squeeze operator are found. 得到了参量放大器哈密顿量与广义双模压缩算符共同本征的双模压缩数态。
- Recent Progress of Fiber Optical Parametrical Amplifier[J]. 引用该论文 陈婉;董淑福;赵宇波;刘红军;周俊.
- Electric-optical modulator; quasi-phase-matching; degenerate optical parametric amplifier: Amplitude quadrature squeezed light field; coupled oscillator. 01振幅调制器;准相位匹配;简并光学参量放大;正交振幅压缩态;耦合谐振子
- Two-pump fiber optical parametric amplifier (FOPA) with two-section highly nonlinear fibers is proposed and demonstrated, which has broad bandwidth, high and flat gain. 提出和设计了一种宽带宽、高增益和增益平坦的光纤参量放大器,它具有双泵浦和两段高非线性光纤级联的结构。
- Key words: laser multipass amplifier systems , propagation of laser beams, B-integral,gain recovery parameter, spatial filter. 关键词:激光多程放大系统,光束传输,B积分,增益恢复系数,空间滤波器
- Situation for the sound amplifying system of opera house in National Center for Performing Arts which base on the physical sites. 介绍了以在物理站点为基础构建的国家大剧院歌剧院扩声系统概况。
- The design features and experience of architectural acoustics and sound amplifying system for National Main Sports Venues. 介绍了国家体育场"鸟巢"的建筑声学及扩声系统设计的特点与设计体会,对设计过程中出现的问题进行了探讨。
- Noise figure is minimized by a parametric amplifier 采用参量放大器,即可将噪声系数减低至最低限度。
- non-degenerate parametric amplifier 非退化参变放大器
- Abstract The paper discusses and sums up the design point of conference amplifying system, discussing &voting system and infrared simultaneous interpreting system. 摘 要 本文对会议扩声系统、讨论和表决系统、红外线同声传译系统的设计要点作了一些探讨和总结。
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