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- A standard filter design requires many multiple/add operations, while a simple look-up table could realize the modulator pulse shaping filter. 标准的滤波运算带要大量的乘加操作,然而简单的查表操作就可以实现调制器的基带成形滤波功能。
- The modulation of SBS pulse shape tends to occur with a short phonon lifetime. 声子寿命越短,SBS波形前沿就越陡,并且越容易出现调制现象。
- Many effective methods have been presented, such as carrier modulation shaping technology, Hermite pulse shaping technology and Gaussian pulse shaping technology. 目前提出了许多方法,比如基于载波调制的成形技术、Hermite脉冲成形技术和高斯脉冲成形技术等。
- The evolutionary rules of the temporal pulse shape modulation, spectrum modulation and the intensity factor are reported. 通过数值模拟, 分析了时间调制、光谱调制以及强度的演化规律。
- However, temporal pulse shape modulation will exist due to the pulse coherence for chirped stacking pulse, and spectrum modulation will exist too. 但这种堆积啁啾脉冲在时间上由于相干而存在时间调制, 同时也将导致光谱存在调制。
- Base Band Interpolator Pulse Shaping (BBIPS) filter is a key component of all digital modulator. 摘要基带内插脉冲成形(BBIPS)滤波器是全数字调制器的核心模块之一。
- The pulse shape was smoothed by intrapulse stimulated Raman scattering. 脉冲内拉曼散射对脉冲有平滑作用;
- Two examples of application are also introduced. One is used for Digital Beam Forming(DBF) processor; another is for linear frequency modulation pulse compression. 文中还分别介绍了如何利用该模块构成一个4波束的数字波束形成处理器,和一个可以同时对4个波束的回波信号进行线性调频信号脉冲压缩的实时雷达信号处理器。
- The discrete ZAK transform and Raised cosine FIR filter are used to design time-frequency well-localized pulse shaping filters for OFDM/OQAM systems. 摘要本文提出一种利用ZAK变换及优化的升余弦滚降滤波器设计的OFDM/OQAM系统时频局域优化脉冲成形滤波器。
- The out-of-band emission in wireless OFDM can also be reduced.The second one is using Discrete Prolate Spheroidal Sequences (DPSS) to design pulse shaping filters. 另一种是基于正交的离散长球面序列DPSS(Discrete Prolate Spheroidal Sequences)的OFDM/OQAM系统时频局域优化脉冲成形滤波器设计方法。
- Femtosecond spectral holography technique and new applications of femtosecond pulse shaping with space-time conversion in femtosecond chemistry are presented. 主要介绍飞秒光谱全息技术及飞秒脉冲时空变换整形在飞秒化学领域的最新应用。
- Femtosecond spectral holography is a very important technique of femtosecond pulse shaping, which permits storage, recalling and processing of femtosecond pulse signals. 飞秒光谱全息是飞秒脉冲整形技术中非常重要的一种方法,它可以实现飞秒脉冲信号的记录、再现和处理。
- We introduce the principle of THz wave shaping and research development here.The waveform control of THz radiation can be fulfilled via the femtosecond laser pulse shaping. 介绍了利用激光脉冲整形对太赫兹波整形的原理和实验研究进展,通过对激发太赫兹辐射的飞秒激光脉冲整形,可以实现对太赫兹整形的控制。
- For the first one, the discrete ZAK transform and Raised cosine FIR filter are used to design time-frequency well-localized pulse shaping filters for OFDM/OQAM systems. 一种是利用ZAK变换及优化的升余弦滚降滤波器设计的OFDM/OQAM系统时频局域优化脉冲成形滤波器。
- Control pulse is coupled into this pulse shaper by wavelength division multiplexer. Nonlinear phase shift of signal laser is induced by control pulse because of cross phase modulation. 该全光脉冲整形器利用波分复用器将控制光脉冲引入光纤环形镜中,控制光脉冲由于交叉相位调制在信号光上产生了非线性附加相移。
- Control pulse is coupled into this pulse shaper by wavelength division multiplexer.Nonlinear phase shift of signal laser is induced by control pulse because of cross phase modulation. 该全光脉冲整形器利用波分复用器将控制光脉冲引入光纤环形镜中,控制光脉冲由于交叉相位调制在信号光上产生了非线性附加相移。
- The aberration characteristic of pulse shape coming of FOD is different from SOD and TOD. FOD导致脉冲形状发生了畸变,畸变特点不同于二、三阶色散;
- AOM is used in cavity to modulate pulse Nd:YAG laser for improving peak-power of laser pulse. 采用声光器件对脉冲Nd:YAG激光进行了腔内调制,提高了激光脉冲的峰值功率。
- The numerical simulation on pulse shape of two-cell SBS system was made and agreed with the experimental results well. 对双池受激布里渊散射系统的脉冲波形进行了数值模拟,理论计算结果与实验符合得很好。
- This procedure has a time, a wide range of output pulse shape, control multiple relays. 本程序有计时;脉冲波形多种输出;控制多个继电器.