通过正弦函数实现的光通信应用的占空比为50％或33％的RZ－DPSK信号-Sine function through the implementation of optical communication applications, the duty cycle of 50 or 33 RZ-DPSK signal

有限元传热算例--The example of calculation of finite element heat transferring

采用薄板矩形单元计算矩形板的弯曲 定义有限元模型、求解有限元模型、保存计算结果-Rectangular unit calculated using thin plate bending the definition of rectangular plate finite element model, solving the finite element model, save results