fourier analyzer 中文意思是什麼
fourier analyzer
解釋
傅里葉分析器諧波分析器-
In this time, as a result of major development in computer technologies and fast fourier transform wider application, many frequency analyzer based on digital signal processing theory and multi - function signal analysis software occurred. which greatly strengthened analysis function to engineer vibration signal ' s time field and frequency field
在這一時期，由於計算機的快速發展以及快速傅立葉變換的普遍應用，各種基於數字信號處理原理的頻率分析儀以及多功能信號分析軟體出現，從而大大加強了對工程振動信號的時域及頻域分析功能。 -
According to the theory of digital signal processing, discrete fourier transform has selectivity to frequency just as spectrum analyzer
根據數字信號處理理論，離散傅里葉變換（ dft ）演算法對頻率具有選擇性，有相當于頻譜儀的功能。 -
The experimental results show that the surface si - oh bonds infrared intensity of ultrafine silicon dioxide was decreased and thermogravimetric loss was increased by using fourier infrared ( ftir ) spectroscopy and thermogravimetric ( tg ) analyzer
傅立葉紅外光譜和熱重分析結果表明，改性后的超細二氧化硅顆粒表面的硅羥基吸收峰明顯減小。
分享友人