利用matlab语言进行底层绘图编程，模拟嫦娥一号与月亮、地球关系，绕地球公转的情况，形象生动-Using matlab language underlying graphics programming, simulation Chang E No. 1 and the relationship of the moon, the earth around the Earth to the vivid image of

很好的matlab实用程序，从光盘中拷出来的。-Matlab good utility, from the CD-ROM copy from.

编写了MATLAB程序生产和扩频码进行仿真，仿真程序从发送方完成通道的接收端，得出在不同的扩频码，在不同的信噪比即误码率的图形比较直接序列扩频通信系统原理，改善系统性能的度-Written MATLAB program to produce and direct sequence spread spectrum communication system principle of spreading codes for simulation, emulation program to comple