网络瞬时频率;瞬间频率;即时频率 网络释义
也就是振荡相位 φ对时间的微分。(除去因子 1/2π,就得到瞬时角频率。)与傅里叶频率不同的是,瞬时频率通常与时间有关。正弦信号的瞬时频率是常数等于振荡的频率。 图1:强上啁啾脉冲的电场,其中瞬时频率随时间增加而增大。 在考虑频率噪声和相位噪声时,瞬时频率非常重要,它也经常用于啁啾光脉冲(图1),其瞬时频率...
instantaneous frequency indicating receiver 瞬时频率指示接收机 instantaneous blast 瞬发爆破 instantaneous effect 瞬时效应 instantaneous extension 瞬时延伸 instantaneous fading 瞬时衰落 instantaneous fusing 瞬发引线 相似单词 instantaneous a.立即的,立刻的,瞬间的 frequency n. 1.[C,U]发生率,出现率,重...
instantaneous frequency 英 [ˌɪnstənˈteɪniəs ˈfriːkwənsi] 美 [ˌɪnstənˈteɪniəs ˈfriːkwənsi]n. 瞬时频率 ...
instantaneous frequency indicating receiver 瞬时频率指示接收机 相似单词 instantaneous a.立即的,立刻的,瞬间的 stability n.[C] 1.稳定;稳固 2.稳定性;稳定度;稳定平衡 3.永久性,耐久性 4.坚定,坚决 5.(天主教)僧侣许身寺院的誓约 frequency n. 1.[C,U]发生率,出现率,重复率 2.[U]频繁 3.[C...
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instantaneous frequency 瞬时频率相关短语 Marey's law (高张力的脉搏及其频率慢) 马莱氏定律 soil processing (试验时) 土壤制备 time charter (时租) 租船按时计费 tip cleaning (点焊时) 电极端清理 Daryl (比利时) 达里尔三醋酯长丝 feed (拔长时) 送进量 relative radius (拉深时) 相对转角半径 Kredietba...
Hilbert spectral analysis (HSA) is a method applying the Hilbert transform (HT) to compute the instantaneous frequency of time-series, and it gives both the amplitude and the frequency as function of time. From: Biosignal Processing and Classification Using Computational Learning and Intelligence, ...
Instantaneous Frequency Measurement(IFM) receivers are important for modern electronic reconnaissance systems. 瞬时测频接收机是现代电子侦察系统的重要组成部分。 www.71155.com 2. Therefore, the instantaneous frequency measurement technology has a important research value in the modern electronic warfare. 所以...
3) Instantaneous frequency 瞬时频率 1. Diagnosis method of instantaneous frequency for rotor impact-rub fault of aeroengine; 航空发动机转子碰摩故障瞬时频率诊断方法 2. Ultrasonic signal process method based on instantaneous frequency; 基于瞬时频率的超声信号数字处理方法 3. Study of analysis of ...