Use the Frequency Spectrum (FFT) display to measure the approximate value of the fundamental frequency of the wire on the Sonometer.
使频谱(FFT)显示测量振动频率计上金属丝基频的近似。
Use the Frequency Spectrum (FFT) display to measure the approximate value of the fundamental frequency of the wire on the Sonometer.
使频谱(FFT)显示测量振动频率计上金属丝基频的近似。
A new type of digital phasometer applied to the infrared laser position-tracking system of mine hoister is introduced in the paper,which is based on FPGA and FFT algorithm.
介绍了在矿井提升机红外激光位置跟踪系统中种新型数字鉴相器的研究方法,该方法是基于FPGA器件FFT算法完成的。
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