tianxian

低通巴特沃斯滤波器设计求阶数，适合广大学生们参考，(Low-pass Butterworth filter design requirements order, for the majority of students reference)

matlab音乐合成，非常实用，信号与系统大作业(matlab)

数据链路层滑动窗口协议的设计与实现源码 信道模型为8000bps 全双工卫星信道，信道传播时延270 毫秒，信道误码率为10-5，信道提供字节流传输服务，网络层分组长度在240~256字节范围。(Sliding window data link layer protocol design and implementation of source-channel model 8000bps full-duplex satellite channel, the channel propagation delay 270 ms, the channel bit error rate of 10-5, the channel provides a byte stream transfer service, network layer packet length in the range of 240 to 256 bytes.)

这是我做的第一个程序，希望大家支持下，谢谢，thank you(this is mine doing)

近代平差，含有近代经典平差函数模型，适用于数据处理中的近代平差应用(Modern adjustment, containing a model of modern classical adjustment function for data processing applications in modern Adjustment)

与气象雷达有关的书籍，对初学者有很大的帮助。(With weather radar related books, a great help for beginners.)

可用于pocket pc 和 pc上的轨迹描绘程序，通过给出坐标描绘出轨迹。并可以进行移动缩放，以及坐标显示等功能。(Can be used for pocket pc and pc on the track of the procedures described by the coordinates given depict the trajectory. And can move the zoom, as well as the coordinates display functions.)

关于matlab的一本书，吕梁山编写的matlab与通信仿真的书籍，写的很好，很有参考价值(A book on matlab, matlab Luliangshan written books and communication simulation, well written, useful reference)

合成地震记录正演模拟n = 5000 采样点数 dx = 50 道间距 dt = 0.02 采样间隔 nl = 3 界面数 m = 80 道数(Forward modeling of synthetic seismograms)

Matlab与C接口技术（两本pdf书籍，感觉很不错的），希望对大家有帮助(Matlab and C interface technology (two pdf books, I feel very good), we want to help)