基于掌纹识别的在线身份验证 识别算法本科毕设，用平面波展开法计算二维声子晶体带隙,三相光伏逆变并网的仿真。- Verify recognition algorithm based on palmprint recognition undergraduate complete set of online identity, Computation Method D phononic bandgap plane wave, Three-phase photovoltaic inverter and