搜索资源列表
-
0下载：
本音频信号分析仪由32位MCU为主控制器，通过AD转换，对音频信号进行采样，把连续信号离散化，然后通过FFT快速傅氏变换运算，在时域和频域对音频信号各个频率分量以及功率等指标进行分析和处理，然后通过高分辨率的LCD对信号的频谱进行显示。该系统能够精确测量的音频信号频率范围为20Hz-10KHz，其幅度范围为5mVpp-5Vpp，分辨力分为20Hz和100Hz两档。测量功率精确度高达1 ,并且能够准确的测量周期信号的周期，是理想的音频信号分析仪的解决方案。-The audio signal ana
-
-
1下载：
采用FPGA实现的DDS波形发生器源码，可以实现频率幅值变换、正弦波、方波、三角波输出，输出频率可达1MHz-FPGA implementation of the DDS waveform generator source frequency amplitude transform, sine wave, square wave, triangle wave output, the output frequency up to 1MHz
-
-
0下载：
The fourier transform is the method of changing time representation to
frequency representation. The discrete Fourier transform (DFT) is a
one of the Fourier transform, used in Fourier analysis. It transforms one
function that is time into anot
-
-
0下载：
Its Discrete s transform with only positive frequency and negative frequency in 3 different ways-Its Discrete s transform with only positive frequency and negative frequency in 3 different ways
-
