satilite-position

二次插值法优化，有简单说明，并有一例子。希望大家喜欢(Optimize the second interpolation method, there is a brief description, and there is one example. I hope everyone likes)

对图像进行数字化处理，有完整的运行界面，使用方便(Digital image processing, the operation of a complete interface, easy to use)

是multiuser detection 这本书的习题解答, 很有用的书.(is multiuser detection of this book to answer the questions and useful book.)

交流永磁同步电机矢量控制模型，仿真效果好，可供学习电机的同行参考。(AC permanent magnet synchronous motor vector control model, simulation results, and for learning motor peer reference.)

PPCA变换的MATLAB程序代码 需要的可以下载 (PPCA transform MATLAB program code needed to download)

不加权最小二乘算法。用于系统辨识学习之用。(non-weighted least square method)

说明：  提出了正交频分复用(O FDM ) 系统中一种新的载波频偏估计算法L 载波频偏估计过程可分 为获取和跟踪, 其中, 获取过程和时间同步是同时完成的L新算法可实现的最大载波频偏获取范围 是整个信号带宽的一半L新的跟踪算法是一个最大似然算法, 在加性白噪声高斯信道(AW GN ) 下, 当N (训练序列长度的一半) 等于128 时, 其性能比Schm idl 算法提高约7127 dB 在多经信道下, 当 信噪比不是很高时, 新算法仍具有优势L(new carrier f requency offset est imat ion scheme in o rthogonal f requency division mu lt ip lex ing (O FDM ) system is p ropo sed. The carrier f requency offset est i2 mat ion includes acqu isit ion and t rack ing, and acqu isit ion as w ell as t im ing synch ro2 n izat ion can be perfo rmed simu ltaneou sly w ith h igh accu racy. The max imum acqu i2 sit ion range can be up to one half of overall signal bandw idth. The p ropo sed t rack2 ing est imato r is a max imum 2likelihood est imato r, and in AW GN channel, abou t 7127dB imp rovemen t is ob tained compared to the Schm idl’s algo rithm w hen N = 128 in mu lt ipath channel, the p ropo sed algo rithm wo rk s w ell at moderate SNR.)

it gives the frequency modulation

霍夫曼编码、算术编码和行程编码的matlab实现(Huffman coding, arithmetic coding and routing matlab coding to achieve)

说明：  压缩感知中基于DCT基的OMP算法，用正交匹配追踪重构出原始信号(DCT-based compressed sensing based OMP algorithm, orthogonal matching pursuit reconstruct the original signal)