WebMar 23, 2024 · 将要FFT分析的数据 (信号)接上示波器-->双击打开示波器-->设置-->logging-->设置参数如图所示. 5. 设置仿真时间-->运行仿真等待仿真结束-->双击打开powergui-->Tools-->FFT Analysis-->OK. 6. 按照下图所示配置完参数-->Display-->完成FFT分析得到频谱分析图. 方法二、利用Matlab中的 ... WebDec 17, 2024 · 图a为原始信号,图b为原始信号FFT分析结果,图c为提取 50Hz基波信号的结果对比,图d为滤波后的FFT分析结果,效果非常好!基于matlab的FFT分析和滤波程序,可对数据信号进行频谱分析,分析波形中所含谐波分量,并可以对特定频率波形进行提取。不需 …
关于ADC FFT仿真结果分析 - 微波射频技术问答
WebUsing FFT in Cadence Read more about input, frequency, sampling, cadence, coherent and output. Web求问如何用cadence的是spectre直接测试ADC的DFT和FFT. spectre那里有个计算器,直接用它就好了!. 用simout,导出到workspace,再编写基本的FFT程序,就能绘出幅频特性, … chuck reddy
如何用FFT分析信号 - 知乎 - 知乎专栏
WebMay 9, 2024 · FFT of a signal. I want to measure the FFT of a clock signal but during measurement I am getting some unwanted result. I am using a 3 MHz clock signal and perform fft by Measurement -> Spectrum. Sampling frequency = 48M, No of samples = 65536. When I plot it, then in the spectrum I have seen bunch of other spectral line … WebThe resolution of sin wave. Medya over 10 years ago. Hi. I do fft (using dft with N=1024 and set the input freq=100M*17/1024 ,strobperiode=10ns and simulation time>10240ns) on the output of the sin wave,and see that the noise floor is about -100db i repeat it for variuos step (strobperiode) and simtime but the noise floor doesn't vary more,I'm ... WebThe best and easiest way to get FFT is to use version 6.1.7 of Cadence. First, you apply a sine input to the SH circuit, the frequency of which is proportional to the following … chuck redepenning