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说明：  实现矩形序列，三角序列，反三角序列，正弦序列，余弦序列的快速傅里叶变换(Fast Fourier Transform for Various Functions)

Description: VB-Audio CABLE A & B are two others Windows Audio Drivers working as two Virtual Audio Cable to connect more applications together.

character lcd code for 8-bit interface

比较简单的AD库文件，结合了一些比较常用的元器件，希望能帮到大家(A relatively simple AD library file, combined with some of the more commonly used components, I hope to help you.)

闭路电视收费系统，票证打印用的。 给初学者看看，其它人就别看了，有点丑陋。。。。 初始密码123-CCTV system, the ticket printing. Beginners to see other people do not look, a bit ugly. . . . The initial password 123

说明：  简单私聊、群聊功能，有简单的界面，通过端口号进行连接，(Simple private chat and group chat functions)

说明：  在给定系统二阶模型、初值、终值、边界约束和路径约束、目标函数的情况下，该程序可利用hp-自使用伪谱法解算出系统从初值到终值的最优轨迹。(Given the second-order model, initial value, final value, boundary constraint and path constraint, and objective function of the system, the program can use hp-self pseudo-spectral method to calculate the optimal trajectory of the system from the initial value to the final value.)

vb程序实现的是一个动态漂亮红灯笼，适合vb初学者练习。-vb program is a dynamic implementation of the Pretty Red Lantern, suitable for beginners to practice vb.

逆变v/f控制，输出电压稳定，pscad仿真(Inverter v/f control, stable output voltage, PSCAD simulation)

加速度计、陀螺仪、磁力计的扩展卡尔曼滤波融合程序，里面附有数据，可直接运行。(Accelerometer, gyroscope, magnetometer extended kalman filter fusion program, with data, can be directly run.)