Frequency shift of laser pulse propagating in wakefield 尾波场中传播的激光脉冲的频率漂移
A Wake Field Detection Mothod Using Laser Wavefront Variation Frequency shift of laser pulse propagating in wakefield 一种利用激光波前变化检测尾流场的方法尾波场中传播的激光脉冲的频率漂移
Effect of Doppler Frequency Shift on Linear Frequency Modulation Signal Pulse Compression 多普勒频移对线性调频信号脉冲压缩的影响
The frequency shift of the second pulse in our PIC simulation is in good agreement with the theoretical predication. 用PIC粒子模拟证实了这一点,模拟得到的频移与理论结果吻合。
Effects of weakly optical feedback on the dynamic frequency shift of a semiconductor laser with pulse im 弱光反馈对半导体激光器IM动态频率飘移的影响
It is concluded that as second order dispersion compensation can avoid pulse broadening, third order dispersion compensation not only can avoid pulse broadening, but also eliminate pulse edge ′ s oscillating and temporal shift of pulse peak. 结果表明,与二阶色散补偿能消除脉冲展宽一样,三阶色散补偿不仅能防止脉冲展宽,而且也能有效地消除脉冲边沿部的振荡结构和脉冲峰的时移。
Removal of Red shift Chirp of Optical Pulse Produced by Semi conductor Laser 半导体激光器中产生的光脉冲红移啁啾的消除
The results of simulation testify that Wigner-Ville distribution is able to show the frequency shift of LFM signals in the pulse compression, and a good qualitative visualization of the effect of the Doppler shift is obtained too. 仿真结果表明Wigner-Ville分布能够清晰的描绘线性调频信号在脉冲压缩过程中的频率变化,能够定性的分析多普勒频移所带来的影响。
The Doppler frequency shift of individual normal mode of narrow-band pulse is analyzed. 分析了窄带脉冲声的单个简正波Doppler频移特性。
Unification of the frequency shift and pulse compression of an ultrashort laser pulse propagating in a background plasma wave is realized by employing the concept of phase modulation of the laser pulse by the plasma wave. 提出等离子体波对光脉冲产生相位调制的观点,把光脉冲在背景等离子体波中传播时的频率移动与脉宽压缩效应统一起来。
Phase Shift Mechanism of Pulse Tube Cooler Based on Fluid Network Theory 基于流体网络理论的脉管制冷机调相机理
The analytical expression of time shift of the pulse central position induced by Raman effect in dispersion managed solitons is deduced and Raman timing jitter due to pulse width fluctuation is also discussed. 给出了色散管理孤子中Raman效应所引起的脉冲中心位置时移的解析表达式并讨论了孤子脉宽的波动所引起的Raman定时抖动。
The Feedback Shift Register for Group Pulse Signals Generation 产生群脉冲信号的反馈移位寄存器
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。
Modified long-raner C-H chemical shift correlation pulse sequences 改进的远程C-H化学位移相关谱脉冲序列
Modeling of Dynamic Frequency Shift and Pulse Distortion of Integrated DFB Semiconductor Laser DFB半导体激光器的频移和色散脉冲崎变
The shift trigger pulse of the thyristor trigger circuit with integration amplifier is generated by comparing directly principle of three-phase AC and shift-phase control voltage. 该晶闸管触发器采用集成运数放大器,移相触发脉冲的形成是根据三相交流电的各相与移相控制电压直接比较原理实现的。
Based on the phase shift pulse width modulation technology, the mathematical non-linear model is developed. 基于移相载波调制,建立了变频器的非线性数学模型。
Comparison of wakefield and relativistic effects on the self-phase modulation and frequency shift of intense laser pulse propagation 尾波场与相对论效应对激光脉冲自相位调制及频移影响的比较研究
Experimental Study of the Effect of Frequency on the Performance of Shift Type Pulse Tube Refrigerator 工作频率对切换式脉管制冷机性能影响的实验研究
Pre-chirp and zero-path-averaged dispersion can't clear up peak shift of pulse completely. 预啁啾和零平均色散传输并不能完全消除脉冲峰的时间移动。
Shift and the error of counting pulse interval is given Accordingly, the quality requirments for photoelectric output signals can be determined through the tolerance of counting pulse interval. 据此,由计数脉冲间隔误差的允许值可确定对光电输出信号的质量要求。
Automatic Phase Shift Circuit for Triggering Pulse of Flash Lamp 频闪灯触发信号的自动移相电路
Shift of centroid frequency of plane acoustic pulse propagation in porous media 平面脉冲声波在多孔介质中传播的频移
By computer simulation, we analyze UWB signals with different modulation mechanisms and time-hopping parameters, and conclude that the polar randomicity and the time shift randomicity of ultra-short pulse can make the power spectrum of UWB signals smoother. 通过计算机仿真,对采用不同信息调制方式和跳时码参数的超宽带信号进行了分析,得出了脉冲极性及时移的随机性可以增强信号功率谱平滑性的结论。
Generation of CCDs Shift Register Clock Pulse by EPROM Circulating Addressing Method 利用EPROM循环寻址方法产生CCD转移时序
When an ultrashort pulse irradiates the optical dielectric thin film, the phase shift experienced by the pulse during the transmission and upon reflection from the mirror is more important, because it directly influences the pulse shape. 当超短脉冲辐照光学薄膜元件时,基于反射和透射的相移更加重要,因为它直接影响了脉冲形状。
In the rectifier system, the circuit of triggering pulse is critical, The forefront, power and phase shift range of the pulse have a direct impact on the quality of the circuit. 在整流系统中,脉冲触发电路十分关键,触发脉冲的前沿、功率、移相范围,直接影响到电路工作的质量。
How to realize the BPSK modulation, and to optimize phase shift error between BPSK signal and triangle pulse signal. 4. 如何实现BPSK调控,优化BPSK信号与三角脉冲信号的相移差。