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多径信道对数字信号的影响。包含用 matlab 画出信道的幅频响应和相频响应等内容。(Multipath channel to the influence of the digital signal. Contains matlab draw channel amplitude frequency response and the phase frequency response, etc.)

北京邮电大学牛导的 JAVA课件课件及相关资料，包括语言部分的讲稿，虚拟机使用说明等(Beijing University of Posts and Telecommunications cattle mediated JAVA courseware courseware and related information, including part of the script language, virtual machine instructions, etc.)

matlab实现的fft程序，可酌情作为参考(Matlab implementation of the FFT program, as appropriate, as a reference)

说明：  这是一段模拟电荷法（scm)的matlab源程序，求解了超高压输电线路下方工频电场，仿真出了离地面1.5m处的二维电场模型，该程序经过验证，准确无误，谢谢。(This is a matlab source program of the simulated charge method (scm). It solves the power frequency electric field under the UHV transmission line and simulates the two-dimensional electric field model 1.5m above the ground. The program has been verified and is accurate. Thank you.)

基于GPS的多目标优化及动态多目标优化源代码 里面 包含MOP, DMOP的程序(GPS-based multi-objective optimization and dynamic multi-objective optimization source code which contains MOP, DMOP procedures)

java画图程序，比较小巧(A very simple drawing program in Java)

java访问sql server数据库的jdbc驱动，很重要哦(java database sql server access jdbc driver, it is very important, oh)

正则表达式的一个小例子，利用正则表达式判断文件中的字符是什么类型的。(Regular expression in a small example of the use of regular expressions in the document to determine what type of character.)

一款移相全桥DC/DC变换器，基于Simulink编辑，有一些复杂。(failed to translate)

GPS精度因子分析，4颗卫星，有画出三维图(GDOP PDOP VDOP TDOP)