In this thesis, we mainly studied the mechanism and morphology of the ablation of si using shaping pulse.
本文中,我们主要研究了整形脉冲烧蚀样品硅的反应机制以及烧蚀的形貌。
As the simplest shaping pulse double pulse produced by a beam splitter is first used to ablate the sample.
使用分束片获得的双脉冲作为最简单的整形脉冲,首先被用来烧蚀样品。
In chapter 3, a novel optimal UWB shaping pulse design algorithm based on prolate spheroidal wave functions is described.
第3章主要介绍了一种基于扁长椭球波函数的超宽带成形脉冲优化设计算法。
Wave shaping circuits derive the other desired waveforms — square, pulse, triangle, etc. — from the sawtooth output by the core circuit.
波整形电路从核心电路的锯齿波得到其他想要的波形——方波,脉冲波,三角波。
Pulse shaping design of high power laser amplifier.
高功率激光放大器脉冲的整形设计。
Pulse shaping is the important methods to get high compression ratio.
辐射驱动温度源脉冲整形是获得高压缩比的重要途径。
Therefore, design of pulse shaping filters is an important task for design of optimal LOFDM system.
因此脉冲成形滤波器的设计是最优LOFDM系统设计的重要组成部分。
This paper is mainly on theoretical research of femtosecond laser pulse Fourier space-time transform shaping.
本论文主要是关于飞秒激光脉冲傅里叶时空变换整形的理论研究。
For pulse shaping OFDM systems for doubly dispersive channels, such a setup is in general not optimal.
对于双弥散信道的OFDM系统,这种设计的脉冲成形一般不是最理想的。
The selective excitation based on adaptive pulse shaping is one of the hot and developing fields in the world recently.
基于自适应脉冲整形技术的选择激发是国际上近年来兴起的前沿研究领域之一。
Discussing the theory of the baseband pulse shaping filter in wireless communication and it's FPGA implementation.
讨论了无线通信中基带脉冲整形滤波理论,对其FPGA 实现进行了详细阐述。
Thus pulse shaping technique can be used not only shape the spectrum of the transmitted signal to increase the bandwidth efficiency but also to reduce its PAPR.
因此脉冲成形技术不仅能对传输信号进行频谱成形来提高系统的频带利用率,而且还可以减小信号的PAPR值。
A trapezoidal shaping algorithm was studied for digital multi-channel pulse height analysis in a digital nuclear spectrometer.
为了研制数字化核谱仪,研究了一种用于数字多道脉冲幅度分析的梯形成形算法。
The discrete ZAK transform and Raised cosine FIR filter are used to design time-frequency well-localized pulse shaping filters for OFDM/OQAM systems.
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。
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。
The maximum PAPR and the used pulse shaping waveform is derived and proved.
分析论证了该方法的PAPR上限值和所用的脉冲成形波形集合。
A trapezoidal shaping algorithm was studied for digital multi-channel pulse height analysis in a digital nuclear spectrometer.
研究了一种用于数字多道脉冲幅度分析的梯形成形算法。
The results also show that the algorithm fulfils the pulse shaping requirements of the nuclear spectrometer with optimal parameter settings for different applications.
该研究表明,梯形成形很好地符合核谱仪的脉冲成形要求,通过针对具体情况优化参数设置,易于满足不同应用的需求。
The attenuator has been used in temporal pulse shaping system of ICF.
该器件已经在惯性约束核聚变(ICF)的时间脉冲整形系统中获得应用。
It describes clearly the software of vector signal demodulation, including the frequency offset calculation, magnitude and group-delay compensate, and pulse shaping filter.
在软件方面,详细介绍和分析了矢量信号解调分析软件设计与实现,其中包括载频频偏计算、幅度和群时延补偿、脉冲成形滤波器设计等。
Because it is hard to obtain dynamic stress equilibrium and constant strain rate in soft materials specimen during the conventional SHPB experiments, a pulse shaping technique is developed.
本文重点针对传统的SHPB实验技术试样中早期应力不平衡和实验中难以达到常应变率加载这两大问题,建立了入射波整形技术。
A pulse shaping technique has been used in split Hopkinson bar (SHPB) experiment, for ensuring the specimen in dynamic stress equilibrium and loaded under constant strain rate during the test.
在SHPB实验中,通过采用整形器技术,实现实验过程中的应力平衡和常应变率加载。
A novel method is presented for compensating deflection in temporal-spatial transform pulse shaping system, using single-mode optical fiber instead of a second electrooptic deflector.
提出了时空变换脉冲整形系统中光束复原的一种新方法:用单模光纤代替通常时空变换法中的第二个电光偏转器。
Based on step recovery diode, a pulse fast edge shaping circuit is realized.
阐述了一种基于阶跃恢复二极管的脉冲快速沿整形电路设计。
This shows that the ideal goal of waveform shaping is half-sine stress pulse with a wider period of time.
由此可见,波形整形设计的理想目标为具有较宽历时的半正弦应力脉冲。
A new spectrum shaping method, based on electro-optic modulation, to alleviate gain narrowing in chirped pulse amplification (CPA) system, is described and numerically simulated.
提出了一种新型的基于电光调制的激光光谱整形方案,该整形技术可以减轻啁啾脉冲放大系统中的增益窄化效应。
A new method of the chirped-pulse spectrum shaping is put forward in this paper based on the above course.
提出了利用这一过程实现啁啾脉冲频谱整形的一种新方法。
In this paper, a quantum mode-locked equation has been established on the basis of a new laser model, that describes nonlinear shaping for femtosecond light pulse.
本文根据我们新建的激光器模型,导出了非线性成形飞秒光脉冲的量子理论锁模方程。
In this paper, a quantum mode-locked equation has been established on the basis of a new laser model, that describes nonlinear shaping for femtosecond light pulse.
本文根据我们新建的激光器模型,导出了非线性成形飞秒光脉冲的量子理论锁模方程。
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