调频调幅收音机电路—YD2003 中文资料-AM FM Radio circuit-YD2003 Chinese information

士兰半导体 AM/FM收音机电路 SA2003 中文资料-Kingsland semiconductor AM/FM Radio SA2003 Chinese Circuit Information

简易的信号发生器版图，可以实现正弦波发生，方波发生，调幅调频，并且通过LED显示出来-Simple signal generator layout can be achieved sine wave occurs, square wave occurs, AM FM, and displayed through the LED

齿轮发生裂纹故障时其振动信号会产生调制现象,包括幅值调制和频率(相位)调制两部分。目前调幅信号的解调分析已经比较成熟,但对于调频信号的解调方法研究还不够完善。全面系统介绍了近年来处理调频信号 中最常用的希尔伯特相位解调和循环平稳解调两种方法-Gear crack fault occurs when the vibration signal will produce modulation phenomenon, including the two parts of the modulation