一款经典的数字电话设计资料，内含原理图，C编写的源代码。-digital telephone design information, containing drawings, prepared by the C source code.

这是非线性光学中的一个经典的用分步傅立叶方法数值求解非线性薛定愕方程的c++程序。希望对光学学习者有用。-This is a non-linear optics in a classic step Fourier method with the numerical solution of nonlinear Schrodinger equation stunned c++ program. Optical learners want to be useful.

3D弹道仿真VC程序以及源代码文件，外弹道经典的解三自由度弹道方程，运行结果将显示：落地误差、飞行时间、修正射程、侧偏等参数。用C语言编写，程序注释丰富，运行时请把Debug目录中的EXE文件拷贝至根目录中运行，否则出错。-3D trajectory simulation VC program and source code files, the solution of three classic exterior ballistics degree trajectory equation, t