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- 能用单片机控制DDS芯片实现对输出信号频率/相位的调节，并具有调频、点频、扫频等工作模式，并可以通过液晶显示 -DDS chip can be used to achieve single-chip control of the output signal frequency/phase adjustment, and has FM, point frequency sweep mode, etc., and can be liquid crystal display
bantu
- 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
di11qi
- 时频分析的综述和线性调频信号的参数估计方法研究-Summary of time-frequency analysis and linear FM signal parameter estimation method
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- 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
Matlab-based-FM-modulation
- 这是一个实现信号的FM调制的文档，你可以快速实现信号的FM调制-This is a signal of the FM modulation to achieve a document, you can quickly implement FM modulation signal