仿真录音机软件由VB编程设计，它可以清晰的你的录音并播放。-the software radio designed by vb, it can record and play your voice.

直接序列扩频通信系统建模与仿真编程，直接序列扩频通信系统建模与仿真编程。-Direct sequence spread spectrum communication system modeling and simulation programming, direct sequence spread spectrum communication system modeling and simulation programming.