huibabianhuan

注水算法，多跳系统，ofdm信道、功率分配使容量最大化(Water-filling algorithm, ofdm channel power distribution)

GPS卫星信号 产生传输 接收 噪声 误差 MATLAB 仿真 程序(GPS satellite signal transmission receiving noise error MATLAB simulation program )

说明：  有限元编程的源程序，是由国外大学编写的经典有限元程序，附件有详细说明！(Finite element programming source is prepared by the foreign universities classical finite element procedure is described in detail in Annex!)

wcdma里面扩频所需的0号扰码源文件,并产生S行曲线,实现超前滞后门位同步()

说明：  在瑞利信道中，对于OFDM信号设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线(In Rayleigh channel, a specific guidance aided channel estimation method is designed for OFDM signal, and the simulation is carried out with Simulink to measure the BER performance of BPSK modulation. The relation curve between bit SNR and channel estimation mean square error is drawn, and the relation curve between bit SNR and bit error rate is drawn)

本程序通过分析OFDM信号的循环平稳特性，利用循环谱对OFDM信道进行估计。(This procedure by analyzing the OFDM signal is cyclostationary properties, the use of cyclic spectrum of the OFDM channel estimation.)

这是瑞雷波正演模拟程序，时间2阶空间4阶，采用自由地表边界条件，可以直接运行。(This is the Swiss Leibo forward simulation program, the 2 order of time space 4, the use of free surface boundary conditions, you can directly run.)

GPS接收机，使用迭代的方法，利用伪距定位解算用户的坐标位置(GPS receiver pseudorange solver user location)

bit interleaved coded modulation Performance in AWGN for different trellises

GPS L1C信号模拟仿真，Weil码生成及自相关与互相关心分析，BOC调制，功率谱分析(GPS L1C signal simulation, Weil code generation and autocorrelation and mutual interest analysis, BOC modulation, power spectrum analysis)