area_intersection_union

这是一个讲解OFDM原理及实现的文档，文档最后附上了matlab的OFDM实现(This is an OFDM explain the principle and implementation of the document, the document was last attached matlab implementation of the OFDM)

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平面桁架有限元计算程序，已知约束与在和条件，求解节点支反力(The plane truss finite element calculation program )

说明：  地震波场是指有地震波传播的空间。本程序用于计算二阶精度规则网格，二维波场模拟。(Seismic wave field refers to the space where seismic wave propagates. This program is used to calculate second-order precision regular grids and two-dimensional wave field simulation.)

说明：  状态反馈控制，鲁棒控制学习中编写的状态反馈控制(state feedback control,State feedback control written in robust control learning)

useful matlab codes for beginners

Daubechies wavelet coefficients 4 to 8

Adopted five TDE method

产生16路信号，画出16路原始信号的频谱叠加图以及滤波器响应，并画出结果信号的时域和频域波形(Generate 16-channel signal, draw 16 original signal spectrum overlay and a filter response, and draw result signals in time domain and frequency domain waveforms)

Return a number in to french