instantaneous frequency
基本解释
- [通信] 瞬时频率
英汉例句
- The local energy and instantaneous frequency of the signal can be derived from the IMFs.
信号的局部能量和瞬时频率都可以从其本征模函数中推导出来。 - This paper proposed the theory of digital counting instantaneous frequency measurement and analyzed the error of frequency measurement.
文章介绍了一种用直接数字计数测量瞬时频率的原理，并进行了测频误差分析。 - The physical meaning of instantaneous frequency is analyzed. Its application in the evaluation of the bandwidth of IR scanning systems is discussed.
分析了瞬时频率的物理概念，指出在红外扫描系统中，用瞬时频率来计算系统带宽是值得讨论的。
双语例句
词组短语
- Instantaneous Median Frequency 瞬时中频
- instantaneous fundamental frequency 瞬时基频
- instantaneous pitch frequency 瞬间音高频率
- instantaneous effect frequency stability 瞬时频率稳定度
- instantaneous mean frequency 瞬时平均频率
短语
专业释义
- 瞬时频率
Firstly the estimation of instantaneous frequency is discussed.
首先是瞬时频率的估计问题。 - 瞬间频率
- 瞬时频率
A new STFT_Viterbi algorithm fit(STFT_VF) method is proposed that can estimate such instantaneous frequency of vibration signal of rotating machinery.
针对旋转机械升降速阶段振动信号的特点,提出一种新的旋转机械升降速阶段振动信号瞬时频率估计算法——STFT Viterbi拟合法(STFT_Viterbi algorithm fit,STFT_VF)。计算机科学技术
- 瞬时频率