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- 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。
- And for the BER performance dbN and coifN are better and the Meyer is worse than the Gaussian pulse. 其中,dbN和coifN小波系的误码率性能优于高斯脉冲,meyer小波性能较差。
- The bistable hysteresis loops with Gaussian pulse pumps is obtained by using nonlinear FDTD method. 利用非线性时域有限差分数值模拟方法,得到了高斯脉冲激励下的双稳态响应曲线。
- 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。
- 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;
- Transient characte-ristics of the HPT have been measured with 80 ps Gaussian pulse,and FWHM of the outputpulse is 1.20 ns with a rise time of 400 ps. 在 80 ps Gaussian光脉冲作用下;其输出脉冲上升时间为 400ps.;半峰宽为1
- In this paper,the suppression of frequency shifting by sliding filters in dispersion-managed soliton system with the Gaussian pulse has been studied. 利用有关理论研究了脉冲形状为高斯型的色散管理孤子系统中滑频滤波器对频率移动的抑制。
- Two pulse generators, the Gaussian pulse generator and the monocycle generator, are designed, fabricated, and experimentally demonstrated. 接著设计可产生高斯脉冲及单周期脉冲的脉冲产生器。
- The effect of dispersion and nonlinearity on super Gaussian pulse pumped Raman amplifiers has been studied by solving the new model. 在此模型的基础上,仿真了色散和非线性效应对超高斯脉冲抽运拉曼放大器性能的影响。
- The electromagnetic propagation process of a Gaussian pulse through an unmagnetized plasma photonic crystal is investigated. 以微分高斯脉冲为激励源,用算法公式所得的电磁波透射系数来讨论了温度、等离子体层密度对其禁带特性的影响。
- 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;
- A new ultra-wideband(UWB) Gaussian pulse generator composed of a step recovery diode(SRD),a field-effect transistor(FET) and a Schottky diode was developed. 设计了一种超宽带高斯脉冲的脉冲发生器,此脉冲发生器主要由阶跃恢复二极管,FET管和肖特基二极管组成。
- 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 m file simulates a differential phase shift keyed (DPSK) ultra wide bandwidth (UWB) system using a fifth derivative waveform equation of a Gaussian pulse. (译):这米文件模拟差分相移键控(差分相移键控)超宽带( UWB )无线系统使用五分之一衍生波形方程的高斯脉冲。
- 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.
- As PRF increases,the BER performance of this UWB system is much degraded under the conditions of fixed L and pulse shape. 当固定 L 和脉冲波形时,增大 PRF 将大大降低 UWB 系统 BER 性能。
- 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。
- Selection of laser pulse shape, pulse duration, flux density are discussed in pulsed laser microwelding and the experimental results are given. 讨论了脉冲激光微型焊接中;对于激光的脉冲形状、激光脉冲宽度、激光通量密度等的选择;并给出了实验结果.
- Theoretical research and numeric model of dispersion compensation of chirped super Gaussian pulses are presented, using chirped fiber grating with the apodization of parabola squared function. 采用抛物平方变迹啁啾光纤光栅,对超高斯脉冲的色散补偿特性进行了理论分析和数值模拟。