“包络分析”的概念、定义、翻译、参考文献-科学参考

单词	包络分析
释义	包络分析 Encyclopedia 工学机械信号时频分析释 envelope analysis包络分析对采集到的振动信号提取包络线(调制信号)，并对其做傅里叶变换，寻找其故障特征频率的方法。又称解调分析。
随便看	horizontal tensile testing machine horizontal thread horizontal trace horizontal trace line horizontal trajectory horizontal transit circle horizontal transit instrument horizontal vector horizontal-vertical illusion horizontal well completion horizontal well open-hole gravel pack horizontal well penetrating-layer fracturing horizontal well perforated casing completion horizontal well perforation horizontal wood drilling machine safety horizontal working areas horizontal zenith telescope horizontal zonality of vegetation in China horizon tracking Hormander Hormander operator Hormander's sum of squares hormonal contraception hormonal feedback control of the hypothalamus-adenohypophysis-target gland axis hormonal regulation of ovarian function

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。