1587-1591

说明：  由有经验的工程师编写,gps躁声信号的生成,很好的.(by experienced engineers prepared a GPS signal to the impatient generation, very good.)

Algorithm of taylor galerkin algorithm written in MAtlab

采用matlab编写的常微分方程的数值解法，有算例，以及改进龙格库塔方法。(The numerical solution of ordinary differential equation by using Matlab prepared, with examples, and the improvement of the Runge Kutta method.)

多项式提取一个数组或是曲线的趋势项 得到一个多项式表达式 以及拟合的新数组(Extract an array of polynomial curve or a polynomial trend item to get a new array of expressions and fitting)

有详细的注释，可以得到很精确的幅值、频率、相位估计，基于互功率谱的时延估计。( There are detailed notes, You can get a very accurate amplitude, frequency, phase estimation, Based on the time delay estimation of power spectrum.)

band pass filter design

说明：  简要介绍了认知无线电中基于能量检测的频谱感知方法,在分析能量检测法原理和性能基础上,研究了噪声的不确定性对检测性能的影响. 仿真表明,能量检测法是一种简单、有效的频谱感知方法.(A brief introduction of cognitive radio spectrum sensing based on energy detection method, the analysis and performance of energy detection principle, based on the uncertainty of the noise effect on detection performance. Simulations show that the energy detection method is a simple, effective spectrum sensing method.)

OFDM的调制过程，已经运行过，比较不错，过程很清晰(OFDM modulation process has been run before, quite good, the process is very clear)

16bit crc 编译码实例，matlab上运行。输入一行向量数字序列，获得其16bit的CRC校验码，并对其译码。(16bit crc encryption example, Matlab run. His input vector sequence number, access to its 16 bit CRC and its decoding.)

Sep protocol in wireles sensor network