chirp的例句大全

Finch had regular flying, and closed to chirp to a person.

有鸟雀常飞来飞去, 叽叽喳喳着于人亲近.

You couldn't see a thread of green or hear a single chirp of insect or bird.

这里,找不到一株绿色植物,听不到一声鸟虫鸣.

To obtain larger dispersion, chirped fiber gratings with longer length and smaller chirp coefficient are required.

结果表明要获得较大的色散, 要求光纤光栅有较长的长度和较小的啁啾.

This approach can also extend the transmission distance by reducing the transient chirp.

这个方法同时降低雷射的暂态啁啾值,因此也可以延伸传输距离.

The influence of chirp coefficient and beam waist width over electron acceleration was also analyzed in this paper.

我们还对啁啾系数、光束腰宽对加速的影响进行了分析。

Study on effect of Gauss light pulse with chirp and GVD to the sensitivity of receivers with an optical preamplifier

啁啾高斯光脉冲和群速度色散对带前置放大器光接收机灵敏度的影响研究

The evolution of chirp induced by both GVD and SPM in the single-mode fiber

单模光纤中GVD和SPM所致的啁啾演变特性

Research on One Channel and Bilateral Chirp Fourior Transform Processor

单通道双向式Chirp付立叶变换处理器研究

In phase compensation, a new algorithm based on accurate target parameter estimation by use of discrete chirp-Fourier transform ( DCFT) transform is presented.

在方位向上，利用DCFT变换，对目标的运动参数进行精确估计并加以补偿，减小了回波相关性降低对相位补偿的影响。

SAW-based real time chirp z transformation processor is widely accepted as one of new supporting techniques for spectrum analysis in radar, communication, electronic warfare and radio telescope.

基于线性调频变换算法的SAW富氏谱分析技术是现代雷达、通讯、电子对抗及射电天文等领域的新一代支持技术之一。

The consistence between linewidth broadening factor and chirp parameter in optical fiber communication system is analyzed emphatically.

重点分析了激光器方程中的线宽增长因子和光纤通信系统中啁啾参数的一致性；

The numerical simulation indicates that, larger biasing current and smaller detuning expand the dynamic range of conversion efficiency and extinction ratio, but worsen the frequency chirp.

数值模拟表明：增大偏置电流、减小失谐量有利于扩展转换效率及消光比的动态范围，同时恶化了频率啁啾的动态范围；

Based on the Chirp Z transform, the paper proposes an approach to solve SRC by dividing the range dimension into blocks.

本文在基于Chirp z变换SAR成像算法的基础上，提出了一种对距离维进行分块处理解决二次距离压缩的方法。

It is found that selecting appropriate value of duty cycles of Gauss light pulse signal, frequency chirp and the roll-off factor of raised cosine pulse signal produced by the equalizer of an optical receiver can improve the sensitivity of the optical receiver.

发现适当选取高斯光脉冲信号的占空比、啁啾分量、光接收机均衡滤波器输出的升余弦频谱波形滚降因子的值可以提高光接收机灵敏度；

Study of chirp characteristics of femtosecond pulse propagation in conjugated polymer

超短脉冲在共轭有机高聚物中传输的啁啾特性的研究

The Discrete Chirp Fourier Transform ( DCFT) proposed recently is an effective technique for chirp signal detection. But it requires some rigorous restrictions on the signal length and parameters. These requirements restrict the application of DCFT.

离散Chirp Fourier变换（DCFT）是最新提出的一种检测线性调频信号的有力技术，但它对信号的采样点数和信号参数有着近乎苛刻的约束条件，限制了它的工程应用。