We distinguish ultrashort short medium and long waves .

我们将其分为 超短波，短波、中波和长波辐射。

EDFA-based ultrashort optical pulse amplification and its developments

基于EDFA的 超短光脉冲放大技术及其进展

The angle distribution and plane distribution of the diffraction tomography with ultrashort pulse incident wave was simulated .

模拟计算了 超短脉冲波场入射下其衍射层析的角分布与面分布。

Nonlinear processes in strong ultrashort pulse pumped semiconductor optical amplifier

强 超短脉冲抽运下半导体光放大器中的非线性过程

Experimental Research on Talbot Effect Under Ultrashort Pulses Laser Illumination

超短脉冲激光照射下光栅Talbot效应的实验研究

Numerical study on effects of initial chirps on ultrashort optical pulse amplification

初始 啁啾对光脉冲放大影响的数值研究

Study of Dynamical Characteristics of Ultrashort Laser Pulses in a V-Type Three-Level System

超短激光脉冲在V型三能级原子介质中的动力学特性研究

Numerical Study of Ultrashort Optical Pulse Propagation and Switching in Active Three-Core Nonlinear Fiber Couplers

超短光脉冲在有源三芯非线性光纤耦合器中开关和传输特性的数值分析

A novel method is presented to determine various higher order chirps in ultrashort laser pulses .

提出了新型测量 超短激光脉冲啁啾阶数及量值的方法。

We theoretically investigate the non-resonant interaction between ultrashort pulse laser and para-nitroaniline molecule medium by solving the full Maxwell-Bloch equations without approximation .

通过严格求解麦克斯韦&布洛赫方程，研究了 超短脉冲激光与硝基苯胺分子材料的非共振相互作用。

The broadening effect of ultrashort laser pulse due to optical components is theoretically calculated and a Z scan system with small internal dispersion based on Al coated mirrors is reported .

本文在理论上计算了 超短激光脉冲经过光学部件的展宽效应并实际给出了一种基于镀铝反射镜的小色散Z-扫描测量系统，同时也对实验中的其他重要参数进行了讨论。

Ultrashort Intense Pulse Laser Propagation in Low-Density Plasmas and Air

超短超强激光脉冲在低密度等离子体和空气中的传输

The theory and the algorithm of the frequency-resolved optical gating ( FROG ) method for retrieving amplitude and phase of ultrashort laser pulse were presented .

介绍了频率分辨光学门法（FROG）回归 超短脉冲的测量原理和恢复脉冲的二元相位恢复算法。

The design method and techniques for low-cost signal processing module of ultrashort wave or VHF ( Very High Frequency ) radio are introduced .

介绍了 超短波通信电台的低成本信号处理模块的设计方法和技巧。

Timing jitter of ultrashort solitons propagating in dispersion-decreasing fiber ( DDF ) is analyzed through perturbation theory .

通过微扰理论分析了 超短孤子在色散缓变光纤（DDF）中传输的时间抖动。

The result shows that the third-order dispersion ( TOD ) and Raman scattering affect the location and frequency of solitons respectively and dominate the timing jitter of ultrashort solitons .

结果发现三阶色散和拉曼散射分别影响了 孤子的位置和频率，是决定时间抖动大小的 重要因素。

ObjectiveTo observe the curative effect of galvanoiontophoresis combined with ultrashort wave therapy on cervical vertebrae disease-derived arrhythmia .

目的观察直流电药物离子导入联合 超短波治疗颈椎病源性心律失常的疗效。

The characteristics of ultrashort laser pulses propagation in cylindrical symmetry resonance media

超短光脉冲在圆柱对称性共振介质中的传播特性

Mechanics of ultrashort pulses generation in quenching dye lasers is simply described theoretically .

理论上扼要地介绍了淬灭式染料激光器产生 超短脉冲激光的机理。

Propagation Property of Ultrashort Pulse in Negative Refractive Media

负折射介质 中超 短脉冲传输特性研究

Safety requirements of radiation for microwave and ultrashort wave communication equipment

GB12638-1990微波和 超短波通信设备辐射安全要求

In this paper a technology on generation of ultrashort pulse with high extinction ratio is studied .

实验研究了一种高消光比 短脉冲的产生技术。

The ultrashort mid-infrared pulses have been proved to be essential in the investigations for ultrafast phenomena in the area of physics chemistry biology and semiconductors .

超短中红外脉冲对研究物理、化学、生物学和半导体内的超快过程等有非常重要的作用。

The design of an automatic test system ( ATS ) for certain airborne ultrashort wave antiinterference transceiver is introduced .

介绍了某型机载 超短波抗干扰电台自动测试系统（ATS）的设计。

Chronic pelvic inflammation ; Ultrashort wave ; Computerized modulated medium frequency .

慢性盆腔炎； 超短波；电脑中频。

Aim To investigate the relationship between the supercontinuum spectrum generation and the parameters of the tapered fiber and ultrashort pulses .

目的研究超连续谱的形成与拉锥光纤及 超短脉冲参数之间的关系。

Objective To explore the effect of low frequency electrotherapy and ultrashort wave therapy on knee joint osteoarthritis .

目的探讨温热式低周波配合 超短波治疗膝关节骨性关节炎的临床效果。

Nonlinear Propagation Properties of Ultrashort Laser Pulses in Water

超短激光脉冲在水中的非线性传输特性研究