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用MATLAB合成歌唱祖国，包括初步与简单改变（包络）(Ode to the Motherland synthesis using MATLAB, including the initial and simple to change (the envelope))

选择不同的两个函数做卷积运算，可供选择的函数有矩形窗函数，锯齿波函数和sinc函数，也可自行选择其他窗，观察选取函数的波形。(Choose a different function to do convolution function to choose a rectangular window function, ramp function and the sinc function, to choose the other window, observe the waveform of the selected function.)

三相异步电动机的矢量控制调速系统MATLAB仿真(Three-phase vector control induction motor speed control system of the MATLAB simulation)

说明：  飞机设计的相关程序,全机总体参数计算程序 ,全机气动曲线计算程序 ,机翼载荷分布计算程序,巡航状态纵向动稳定性计算程序 ,横航向稳定性计算程序,平飞速度范围计算程序,螺旋桨特性计算程序 (program about flight design including most of problems in flight design)

这个程序是关于在MATLAB中的M序列的源代码编程。(the procedure is on the MATLAB M sequences of source code programming.)

Direct Sequence Spread Spectrum Receiver Rake Receiver

Heat Equation with variable coefficients. Solution of the heat equation using point gauss method

语音增强及其消噪能力研究,详细到位,适合初学者(Speech enhancement and de-noising ability to study in detail in place, suitable for beginners)

说明：  短时频分析,程序中通过加窗截取信号，分析其时频关系(short time-freqence analysis)

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