applied_signal_4

利用FDTD软件计算纳米材料的吸收、散射(we use FDTD methord to simulate the absorption and scattedring cross section)

《无线通信与原理应用》中QPSK编码的误码率曲线绘制的代码，简洁易懂。有注释，方便修改。("Wireless communications and Principle" in the QPSK coded BER curve drawing code, concise and easy to understand. Notes, easy to modify.)

说明：  用差分方法计算带时变系数的波动方程,界面可视。(simulate the wave functions with time-varying coefficients)

matlab voicebox音频处理工具箱含有音频处理的各种算法(matlab voicebox audio processing toolbox contains a variety of audio processing algorithms)

说明：  对于受轴向力的板结构，求取单元应力，节点位移，和固有频率(For the plate under axial force to strike element stress, node displacement, and natural frequency)

可直接运行的基于拉普拉斯以及小波变换的多种融合方法的代码(Can be run directly based on the Laplace and the wavelet transform multiple fusion method code)

说明：  用matlab 是实现qpsk的方针算法，并计算方针和理论的符号错误率和比特错误率~~请大家指正(Qpsk with matlab is to achieve the policy algorithm, and calculate the principle and theory of symbol error rate and bit error rate ~ ~ please correct me)

说明：  哈工大matlab 讲义 希望对大家有用 对于刚开始学的有作用(HIT matlab useful handouts hope for all of us are just beginning to learn about the role of)

show result of power flow analysis

焊接点热源温度场模拟，对于焊接温度场模拟很有用处(Weld heat source temperature field simulation)