chirp相关论文
雷达和通信作为无线电技术的重要应用,其发展速度远超想象。伴随着技术发展,对系统的集成度和功能多样化提出更高的要求,可高效利......
A novel algorithm for estimating 2D Angle-of-arrival of spatial signals using L array is presented in this paper, which ......
本文简述了Chirp技术的特点,把它与常用测深技术进行简单的比较.并介绍了此技术在海加公司新一代测深仪中的应用.......
理论研究了当基频光（ω0）和倍频光（2ω0）之间的时间延迟改变时，所产生的三次谐波(THG)的光谱特性。研究结果表明，空气中双色场飞秒激光诱......
对基于半导体光放大器交叉增益调制效应的全光波长转换后的信号啁啾特性进行了分析。通过数值模拟方法研究了归零码和非归零码经过......
本文给出了线性扫频(啁啾)的高斯型光脉冲的功率谱表达式,它等效于有调制的、脉宽压窄的无啁啾光脉冲的功率谱.理论分析表明:啁啾......
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采用两段级联单模光纤对高阶孤子脉冲进行压缩。两段光纤具有不同的反常色散值, 当高阶孤子脉冲在第一段光纤中获得最大程度压缩时......
本文通过计算机叠代法,分析计算了一般所用的λ_m/4单膜系介质腔镜的色散,发现用这种腔镜难以补偿腔内脉冲的正啁啾.设计了一种双......
综合考虑了在2 1维正色散介质中克尔效应衍射、色散对光脉冲传输的影响，得到了脉宽、束宽传输的一般规律，并以高斯光束为例用数值法......
光载波源波分复用无源光网络(WDM-PON)是指用户侧光网络单元(ONU)中采用调制器而无光源，光载波源的生成方式是光载波源WDM-PON的主......
本文通过回顾chirp声刺激信号研制及发展历史过程,并介绍其在听觉测试中的应用情况。chirp声与其他传统刺激声相比,在ABR检测中更......
By using Dirac–Heisenberg–Wigner formalism we study electron–positron pair production for linear, elliptic, nearly ci......
Broad-band phase retrieval method for transient radial shearing interference using chirp Z transform
The transient radial shearing interferometry technique based on fast Fourier transform(FFT)provides a means for the meas......
通过模拟艾里脉冲在克尔介质中的传输，对色散及初始啁啾对脉冲传输的影响以及传输过程中的一些特性进行了初步研究，并对艾里光束和高......
Al-digital demodulation system of interferometric fiber optic sensors using an improved PGC algorith
We present an all-digital demodulation system of interferometric fiber optic sensor based on an improved arctangent-diff......
各种各样的动物是大自然的成员,也是人类的好朋友。正是有了这些动物,我们所处的生态环境才更加丰富多彩。您有仔细地听过动物们千......
提出了一种单通道双向式Ｃｈｉｒｐ付立叶变换处理器方案，作了理论分析，最后给出了部分实验结果
Proposed a single-channel bidirectional Ch......
对均匀光纤光栅进行了线性啁啾（Chirp）化处理，并将由此得到的Chirp光纤光栅用于常规的单模光纤通信系统进行色散补偿，给出了均匀光纤光......
本文对基于半导体光放大器 ( SOA)的平行双泵浦四波混频 ( DP- FWM)建立了一种新的理论分析模型 .文中给出了数值计算结果和实验结......
In this paper, pulse self-trapping robustness to polarization mode dispersion in optical fibers is studied. Nonlinear pu......
本文首先介绍频率分辨光学门 (FROG)技术的原理和算法。对于倍频情况 (SHG- FROG) ,我们编程实现了利用计算机快速回归。文中给出......
The curvature factor of the parallel-track bistatic SAR is range dependent, even without variation of the effective velo......
Coherent population transfer with Coherent population transfer with chirped few-cycle laser pulses i
The behavior of population transfer in an excited-doublet four-level system driven by linear polarized few-cycle ultrash......
Impact of apodisation functions on group delay and reflectivity ripple of chirped fiber Bragg gratin
Apodisation technology is introduced to optimize fiber Bragg grating based on the analysis of reflectivity spectrum and ......
A complete theoretical modeling, avoiding any priori-assumption, is deduced and demonstrated for ultra-fast femtosecond ......
We combine the single shot SHG autocorrelator and the spectrometer in our laboratory to set up a single shot SHG-FROG me......
In this paper we report on recent development in the areas of optical vortices generated by micro-optical elements and a......
The characteristics of chirped and phase-shifted fiber Bragg gratings have been investigated by the use of transfer matr......
By considering higher-order effects,the properties of self-similar parabolic pulses propagating in the microstructured f......
The filamentation characteristics of femtosecond laser pulses in ZK7 glass are in- vestigated experimentally as a functi......
This paper studies the near transform-limited high-resolution tunable far-ultraviolet light which is generated by narrow......
Supercontinuum generation in dispersion-flattened fibers is studied theoretically.It is found that the flat spectral wid......
Generation of microwave and millimeter-wave based on polarization scrambler and polarization maintai
A new method is proposed to generate microwave and millimeter-wave by using polarization scrambler and polarization main......
The bandwidth and the duration of incident pulsed beam are proved to play important roles in modifying the nonlinear ima......
Investigation of wave breaking in the normal dispersion region of nano-structured photonic crystal f
The propagation of femtosecond laser pulses with wavelengths of 1550 nm, 1064 nm, 800 nm and 700 nm, respectively, which......
Numerical study of three phase shifts and dual corrugation pitch modulated(CPM) DFB semiconductor la
A distributed feedback(DFB) semiconductor laser with three phase shifts based on reconstruction equivalent chirp(REC) te......
According to the perturbation theory, the coupled-mode equations for guided optical waves in the magneto-optical fiber B......
Femtosecond electron pulse compression by using the time focusing technique in ultrafast electron di
We present a new model of an electron gun for generating subrelativistic femtosecond(fs) electron pulses.The basic idea ......
We summarized the design, fabrication challenges and important technologies for multi-wavelength laser transmitting phot......
该种剖面仪在同等的声源级条件下具有穿透深度更深、分辨更高的优点。所采用的Chip scam软件是以多窗口式为基础的软件,便于操作......
All-optical analog-to-digital conversion (ADC) has been extensively researched to break through the inherently limited o......
Extension of Harmonic Cutoff and Generation of Isolated Sub-30 as Pulse in a Two-Color Chirped Laser
We theoretically investigate high-order harmonic and isolated attosecond pulse generation in a two-color chirped laser f......
We discuss theoretically how supercontinuum spectra produced from high-order harmonic generation processes in a synthesi......
基于虚拟相等的获得的原则，在正常减少分散的纤维的自我类似的脉搏的进化被调查。波浪在高度非线性的条件和效果下面在这个过程期间......
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