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sonar2
- 基于平移不变小波变换的多普勒速度声纳输出信号处理.针对水下航行器组合导航系统所使用的多普勒速度声纳输出信号的特点,采用了平移不变小波变换的多分辨率分析的方法,利用Daubechies小波函数,采用了半软阈值去噪的方法,能够在低信噪比的情况下准确地估计多普勒声纳的频移,从含有噪声的多普勒输出信号中提取出原始信号.通过仿真实验表明:采用4层小波分解,算法计算量减小,有效地消除多普勒噪声,从而提高水下组合导航系统的精度. -Doppler speed the sonar output signal p
Pseudo--Random-Code-Delay
- 利用扩展卡尔曼算法( EKF)对高动态直接扩频信号的载波相位和频率进行了估计,并利用载波辅助技术测量载波相位的变化值来 校正伪码延时环,减小多普勒频移对伪码延时的影响,得到了精确的延时估计值,提 高了伪码延时锁定环的动态跟踪性能.-The PN delay loop is adjusted through measuring the varied value of carrier phase with carrier aiding technology. The effect of Do
Doppler-spread-estimation-
- 这是一篇有关多普勒频移估计问题的文章,主要是在高速移动环境下,很容易产生多普勒频移,为了消除干扰,必须得到确切的多普勒品议大小,从而采用合适的方法消除-This is an article about the Doppler shift estimation articles, mainly in the high-speed mobile environment, it is prone to Doppler shift, in order to eliminate the interfere
doppler-autocorrelation
- 这里有几篇有关doppler frequency offset估计问题的相关文献,主要采用的是信道响应法,自相关法,循环前缀法来估计多普勒频移的。- Here are a few questions about the doppler frequency offset estimate of the relevant literature, is mainly used in the channel response, self-correlation method, cyclic pref
doppler-estimation-(3)
- 里面有多个多普勒频移估计的高质量文章,不同的温江介绍不等的算法,有几个会有相似之处,在我看来这是非常好的多普勒频移估计的IEEE文章,希望对大家有用!-There are more than the estimated Doppler shift quality paper, different algorithms ranging Wenjiang introduction, there are several similarities, in my opinion this is a ver
Doppler-Shift-Estimation
- attenuator rainfall on transmission ADS-B in satellite