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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 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 Doppler shift on PN code delay is reduced through carrier aid-
ing technology. The precise delay estimation is obtained. The dynamic tracking performance of the PN delay loop is improved.)
- 2013-09-18 21:48:31下载
- 积分:1
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NONLINEAR-FINITE-ELEMENT-AND-PROGRAM
非线性有限元及程序这本书,很有用的,程序也很全面(NONLINEAR FINITE ELEMENT AND PROGRAM)
- 2021-03-31 10:19:09下载
- 积分:1
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lorenzLya
说明: 利用正交向量法求Lorenz系统的李雅普诺夫指数,并绘出指数谱图。(Orthogonal Vector Method Lorenz system, Lyapunov exponent, and draw the index spectrum.)
- 2011-04-12 18:08:46下载
- 积分:1
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lindaijisuan
邻带计算,高斯正反算,可以实现测绘系统内简单的转换计算,但是是基于80坐标系统的。(failed to translate)
- 2013-05-03 10:03:48下载
- 积分:1
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EXERCISE_3_2
比较JPLDE405的切比雪夫系数导出的位置与低精度月球坐标分析。(Comparative Analysis of JPL DE405 cut Chebyshev coefficients derived position with low accuracy lunar coordinates.)
- 2020-11-11 13:29:46下载
- 积分:1
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simultaneity
同时辨识模型阶次及参数算法。用阶次递推算法,结合AIC法——利用赤池信息准则辨识上例的模型阶次和参数。(At the same time identify model order and parameters algorithm. By order recursive algorithm, combined with AIC method- the use of Akaike information criterion to identify the cases of the model order and parameters.)
- 2008-06-26 16:16:18下载
- 积分:1
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revealing-
使用labview2009开发平台,实现对机械信号频谱泄露的功能。(Use labview2009 development platforms for the mechanical function of the signal spectrum leakage.)
- 2011-09-02 11:21:20下载
- 积分:1
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nenkiu_v58
仿真效率很高的,小波包分析提取振动信号中的特征频率,实现用SDRAM运行nios,同时用SRAM保存摄像头数据。( High simulation efficiency, Wavelet packet analysis to extract vibration signal characteristic frequency, Implemented with SDRAM run nios, while saving camera data SRAM.)
- 2016-10-12 23:00:01下载
- 积分:1
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POLY2
一元稀疏多项式编程,希望对大家的编程有点用,欢迎下载(hope it useful to you)
- 2010-05-19 13:28:14下载
- 积分:1
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wind-speed-prediction
风电场短期风速预测研究,用的是MATLAB开发环境,对于研究风电场的同学有帮助(Short-term wind speed prediction of wind farms)
- 2012-11-26 09:52:57下载
- 积分:1