请输入您要查询的字词:
单词
frequency stability
释义
frequency stability
Encyclopedia
工学
时间频率测量
释
frequency stability
频率稳定度
表征频率在测量过程中的起伏。是评估频率源性能优劣的主要技术指标,用频率源内部噪声调制产生的相位噪声大小(频域)或其导致的频率取样值的随机波动大小(时域)表征。其中,频域表征为表列信号频率(载频)傅里叶频谱(旁频)的单边带相位噪声谱密度幅值(dBc/Hz);时域表征则用阿伦方差和其他方差。上述频域表征和时域表征可相互转换。
Astronomy
frequency stability
频率稳定度
随便看
inscribed stones of Qin Dynasty
Inscribed Stones on Taishan Mountain
inscribed tetragon
inscribed tetrahedron
inscribed triangle
Inscribed Wooden Tablet in Qingchuan County
inscriber
inscribing
inscriptible quadrilateral
inscription
Inscription of 20 Longmen Statues
Inscription of a Eulogy on the Burial of a Crane
inscription of a Eulogy on the Burial of a Crane in the Liang Dynasty
Inscription of Dragons
Inscriptionof DukeSong's dagger-axe
Inscription of Jinci Temple
Inscription of KingGoujian’s Sword
Inscription of Sacrifice on Mount Tai
Inscription of Shaoshi Causeway Towers
Inscription of Sweet Spring in Jiucheng Palace
Inscription of Taishi Causeway Towers
Inscription of The Peony Pavilion
Inscription of the Poem Entitled Zhang Haohao and Prologue
Inscription of Vajracchedikā-sūtra at Taishan Mountain
inscription on bones or tortoise shells
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/1/31 15:02:53