The initial frequency chirp of the input pulse has a larger influence on the output pulse-width but a small influence on the output soliton-quality.
相对而言，初始频率啁啾对输出孤子宽度的影响较大，但对输出孤子质量的影响并不严重。
It is discussed the influence of nonlinear frequency chirp to the transmission of 2nd-soliton in optical fibers by solving nonlinear Schrdinger equation.
从非线性薛定谔方程出发，研究了初始非线性频率啁啾对二阶孤子脉冲传输行为的影响。
The simulation is focused on the dependence of the frequency chirp of the integrated laser-modulator on the isolation resistance between laser and modulator.
该模型同时考虑了激光器与调制器之间的电耦合。这种由于隔离电阻不够大而导致的电耦合将导致激光器激射波长发生漂移，即产生啁啾。
The results show that higher injected current can restrain the frequency chirp effectively, and higher input optical power can also do that, meanwhile, good extinction ratio is ensured.
研究发现，较大的激光器注入电流可以有效地抑制频率啁啾，较高的注入信号光功率则可以在保证高转换信号消光比的同时抑制频率啁啾。
Chirp up the chirp is played from start frequency to the end frequency.
短促声波开始短促声波从起动频率对结束频率播放。
In this paper, the first order approximate model of Doppler frequency is assumed, and an algorithm based on the extended RELAX method is proposed to estimate the parameters of chirp signals.
该文采用上述情形的多普勒频率的分段一阶近似模型，在此基础上，提出一种基于推广RELAX算法的线性调频信号参量估计方法。
Chirp signal is a kind of pulse-compressed signal with large time-bandwidth products achieved through linear frequency modulation. It has high resolution in range because of its great bandwidth.
线性调频信号是通过线性频率调制获得大的时宽带宽积的一种脉冲压缩信号，具有大的带宽，因此有高的距离分辨力。
A tunable GaAlAs diode laser is used as a chirp signal source, the distance is detected by calculating the beat frequency.
由可调谐半导体激光器产生一个啁啾信号，通过测量拍信号频率计算距离。
Chirp up down the chirp is played from start frequency to the end frequency and again to the start frequency in time defined by play chirp time.
短促声波结束短促声波从起动频率对结束频率播放，然后重新回到播放短促声波时定义的频率。
Compared to the theory signal, the chirp produced by DDS under large bandwidth, may have frequency distortion due to the limited chirp-rate.
受限于DDS芯片的调频转换速率，在大带宽下，DDS产生的线性调频信号相比理论信号可能存在频率失真。
Then three important restricted relations between amplitude and width, frequency and chirp, width and chirp are obtaimed.
在此基础上，求出了振幅与脉宽、频率与啁啾、脉宽与啁啾之间的三个重要约束关系；
Due to the lasing effect, the peak modulation frequency of extinction ratio and chirp occur at the relaxation oscillation frequency.
受激射效应影响，消光比及频率啁啾在弛豫振荡频率处达到极大值。
The algorithm clearly displays the frequency modulation law of the nonlinear frequency modulation chirp signals at the same time.
同时清楚地展示了非线性调频信号的频率调制规律。
This paper analyzes the technology with intra-pulse chirp and inter-pulse stepped frequency to obtain high-resolution range profile. The echo expressions of static and moving targets are derived.
本文分析阐述了利用脉内调频、脉间跳频技术获取距离高分辨一维成像的可行性，导出了静止目标和运动目标的回波表达式。
For the problem of the parameter estimation of multi-component chirp signal in the additive colored noise, a method based on phase difference and time-frequency signal filter was proposed.
针对加性色噪声背景下的多分量线性调频信号参量估计问题，提出了基于相位差分的时频子空间方法。
By means of mathematical calculation and numerical simulation, the chirp evolutions are plotted using MATLAB. hence the phenomenon of self-frequency shift can be studied.
运用数学求解及数值模拟方法，通过MATLAB编程画出了啁啾演变图，据此来研究自频移现象。
Based on the remainder theorem and direct dechirp operation, an algorithm for estimation of chirp rate and initial frequency of the subsampling wideband LFM signal unambiguously is presented.
基于中国余数定理解频率模糊和解线调方法，提出一种无模糊欠采样的宽带线性调频信号的调频斜率和初始频率的估计算法。
A method for surpressing RFI in a chirp radar based on averaging range spectrum is developed, by averaging range spectra, the RFI can be detected and suppressed in time-frequency domain.
基于单一载频的射频干扰（RFI）在线性调频雷达中的表现形式，利用平均距离谱法获得了RFI的多普勒分布谱图。
Results of wavelet analysis of linear chirp signals are curves on time scale scheme in general. However, Results of wavelet analysis of linear chirp signals are beelines on time frequency scheme.
通常情况下，线性调频信号小波变换的结果在时间尺度图上呈现曲线的形式，而在时频图上呈现直线的形式。
Note that if you use the "chirp" or "Frequency flat chirp" signal types, you should select "None" for the window type.
记录下那类型，如果使用“波峰”或者“频率”的信号特征，你应该选择“无”给那窗口类型。
Based on the fact that a chirp radar signal has a strong coupling between time and velocity, a deceptive jamming technique with shift frequency is proposed.
本文基于线性调频脉压信号在时间和多卜勒频率间存在强耦合的事实，提出用移频干扰实现欺骗干扰的方法。
The ambiguity function of intra-pulse chirp and inter-pulse stepped frequency signal is analyzed and obtained according to new type radar. Firstly, the expression of the signal is given.
本文结合新型体制脉内调频、脉间步进跳频雷达，分析推导了该信号形式的模糊函数。
The ambiguity function of intra-pulse chirp and inter-pulse stepped frequency signal is analyzed and obtained according to new type radar. Firstly, the expression of the signal is given.
本文结合新型体制脉内调频、脉间步进跳频雷达，分析推导了该信号形式的模糊函数。
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