fft_ifft

说明：  实现步进频体制雷达频域合成，提高一维距离分辨率(Realize radar frequency domain synthesis of step frequency system to improve one-dimensional range resolution)

Try this for stopwatch counter timer.

mpu6050姿态解算，51 C语言例程，stm32例程(Mpu6050 attitude calculation, C language routines, STM32 routines)

汉诺塔的程序源码和动画演示-HANOR procedures source and animation demo

Python程序设计与算法基础教程，利用Python进行ABAQUS的二次开发(Python Basic Course of Programming and Algorithms, Secondary Development of ABAQUS with Python)

Various channel fading in the field of wireless communication

说明：  LS_ESPRIT，均匀线列阵DOA估计，分两个子阵，最基础的ESPRIT方法，两个入射信号(LS-ESPRIT,Uniform linear array DOA estimation)

VC++基于BMP图像生成不规则的程序窗口，这个不规则的窗体，有些部分是透明的，从外观形状来说，找不到任何规律，完全是奇特的形状，这个形状其实是来源自一张格式的位图，VC++将通过特殊的方法让窗体呈现出位图的形状，具体如何实现呢？请参考这个源码。

说明：  用ansys仿真压电材料中的压电陶瓷，用过输入压电材料的性能指标(Ansys is used to simulate the piezoelectric ceramics in piezoelectric materials, and the performance index of piezoelectric materials is input)

说明：  使用umat计算蔡吴失效准则，计算失效指数If，弹性模量和强度参数见表3.1.(Compute the Tsai-Wu failure index IF on each layer of Example 3.8 (p. 151) using a UMAT subroutine, available in umatS8R5.for. The elastic moduli and strength values for the lamina are given in Table 3.1)