测频率输出一个信号接受后转换为数字信号在液晶屏上显示出来-Measuring the frequency of the output of a signal received is converted to a digital signal on the LCD screen display

CAD画的信号发生器，有PCB、原理图等，对学习和参考有帮助哦！-CAD drawing of the signal generator, PCB, schematic, learning and reference Oh!

Six degrees of freedom to achieve inverse kinematics algorithm, When processing a signal frequency analysis, Undergraduate complete set requirements refer to the standard test models.