Finally, a specific circuit to produce chirp signal is designed in the paper.
设计了一个产生线性调频信号的具体电路。
This paper introduces an algorithm used in estimation of the phase error of chirp signal.
该文提出了一种对雷达发射脉冲进行相位估计的算法。
This method is not limited to Chirp signal, but also applicable to other types of signals.
该方法不局限于仅适用于Chirp信号,对其它类型的信号同样适用。
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。
The proposed changeable sampling ratio processing technology (CSPT) is an effective technique to detect the ratio of modulation of chirp signal.
变采样率处理技术是一种检测线性调频信号调制率有力的处理方法,但剩余多普勒对检测性能的影响十分严重。
A parameter estimation algorithm of chirp signal which makes use of the position and magnitude of non zero cyclic spectral peaks to estimate the three parameters is presented.
本文提出了利用非零循环频率处谱峰的位置与大小估计这三个参数的算法,该算法不需要信号参数的先验信息;
In ideal circumstances, the back scattered echo signal of SAR is chirp signal. With synthetic aperture theory, high azimuth resolution imaging to distant targets can be attained.
理想情况下,SAR回波多普勒信号是线性调频信号,采用合成孔径原理提高方位向成像分辨率。
For the problem of parameter estimation of one dimensional and two dimensional chirp signal in additive colored Gaussian noise, a new method based on fourth-order cumulant is proposed.
针对加性高斯有色噪声背景下的一维、二维线性调频信号的参量估计问题,引入高阶统计量,提出了一种基于四阶累积量的新方法。
This paper gives a detailed account of the waveform, matched-filter, fuzzy function, resolution in speed, resolution in range and the capacity of anti-interference of the Chirp signal.
本文详细介绍了以下几个方面:线性调频信号的波形、匹配滤波器、模糊函数、速度分辨力、距离分辨力及抗干扰能力;
Experiment on acoustic pyrometry is done using the chirp signal, white noise and sine wave respectively in a 300MW boiler in one domestic power plant, through fire hole on furnace wall.
在国内某电厂的300MW机组锅炉上,利用炉墙上的观火孔,分别用扫频信号、白噪声信号和正弦信号进行了冷态下的声学测温试验。
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。
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。
In this paper we separately use White noise and chirp signal as signal source, and apply simulate software MATLAB to research the time delay between the transmitted signal and the received signal.
本文分别以白噪声及扫频信号为信号源,采用计算机仿真软件MATLAB,对声波在声发射端和接收端之间的飞渡时间的互相关估计进行了计算机仿真研究。
The influence of the principal parameters of optical chirp reversal devices on ability to restore signal wave form and pulse duration has been analysed and simulated.
分析和数值模拟了用瞬态简并四波混频实现光学啁啾反转的器件的主要参数对恢复信号波形和脉冲宽度能力的影响。
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。
The chirp performance of converted signal in wavelength conversion based on cross gain modulation (XGM) in semiconductor optical amplifier (SOA) was analyzed.
对基于半导体光放大器中交叉增益调制效应的波长转换后信号的啁啾特性进行了分析。
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 new method in using Charge Coupled Devices for signal processing of chirp Z-transform is described.
本文阐述一种采用电荷耦合器件(CCD)实现线性调频Z变换信号处理的新方法。
The design select the chirp as the spread spectrum technology, which resolve the problem of the signal transmission in such adverse communication circumstances as 10KV power line;
本设计选择采用的扩频技术为线性调频技术,它解决了信号在10KV电力线这样恶劣的通信环境中的传输问题;
Further study is made on target velocity measurement of radar, double-channel filter method and another one which based on chirp up and chirp down signal are discussed.
对雷达测速方法作了较为深入的研究,讨论了双通道测速法和正负斜率线性调频脉冲测速法。
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。
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。
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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